1
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Wang S, Hadji-Thomas A, Adekunle A, Raghavan V. The exploitation of bio-electrochemical system and microplastics removal: Possibilities and perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 930:172737. [PMID: 38663611 DOI: 10.1016/j.scitotenv.2024.172737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/25/2024] [Accepted: 04/22/2024] [Indexed: 05/02/2024]
Abstract
Microplastic (MP) pollution has caused severe concern due to its harmful effect on human beings and ecosystems. Existing MP removal methods face many obstacles, such as high cost, high energy consumption, low efficiency, release of toxic chemicals, etc. Thus, it is crucial to find appropriate and sustainable methods to replace common MP removal approaches. Bio-electrochemical system (BES) is a sustainable clean energy technology that has been successfully applied to wastewater treatment, seawater desalination, metal removal, energy production, biosensors, etc. However, research reports on BES technology to eliminate MP pollution are limited. This paper reviews the mechanism, hazards, and common treatment methods of MP removal and discusses the application of BES systems to improve MP removal efficiency and sustainability. Firstly, the characteristics and limitations of common MP removal techniques are systematically summarized. Then, the potential application of BES technology in MP removal is explored. Furthermore, the feasibility and stability of the potential BES MP removal application are critically evalauted while recommendations for further research are proposed.
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Affiliation(s)
- Shuyao Wang
- Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada.
| | - Andre Hadji-Thomas
- Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada.
| | - Ademola Adekunle
- National Research Council of Canada, 6100 Avenue Royalmount, Montréal, QC H4P 2R2, Canada.
| | - Vijaya Raghavan
- Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada.
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2
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Carnevale Miino M, Galafassi S, Zullo R, Torretta V, Rada EC. Microplastics removal in wastewater treatment plants: A review of the different approaches to limit their release in the environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 930:172675. [PMID: 38670366 DOI: 10.1016/j.scitotenv.2024.172675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/02/2024] [Accepted: 04/20/2024] [Indexed: 04/28/2024]
Abstract
In last 10 years, the interest about the presence of microplastics (MPs) in the environment has strongly grown. Wastewaters function as a carrier for MPs contamination from source to the aquatic environment, so the knowledge of the fate of this emerging contaminant in wastewater treatment plants (WWTPs) is a priority. This work aims to review the presence of MPs in the influent wastewater (WW) and the effectiveness of the treatments of conventional WWTPs. Moreover, the negative impacts of MPs on the management of the processes have been also discussed. The work also focuses on the possible approaches to tackle MPs contamination enhancing the effectiveness of the WWTPs. Based on literature results, despite WWTPs are not designed for MPs removal from WW, they can effectively remove the MPs (up to 99 % in some references). Nevertheless, they normally act as "hotspots" of MPs contamination considering the remaining concentration of MPs in WWTPs' effluents can be several orders of magnitude higher than receiving waters. Moreover, MPs removed from WW are concentrated in sewage sludge (potentially >65 % of MPs entering the WWTP) posing a concern in case of the potential reuse as a soil improver. This work aims to present a paradigm shift intending WWTPs as key barriers for environmental protection. Approaches for increasing effectiveness against MPs have been discussed in order to define the optimal point(s) of the WWTP in which these technologies should be located. The need of a future legislation about MPs in water and sludge is discussed.
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Affiliation(s)
- Marco Carnevale Miino
- Department of Theoretical and Applied Sciences, University of Insubria, via J.H. Dunant 3, 21100 Varese, Italy.
| | - Silvia Galafassi
- Water Research Institute, National Research Council, Largo Tonolli 50, 28920 Verbania, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, Italy.
| | - Rosa Zullo
- Water Research Institute, National Research Council, Largo Tonolli 50, 28920 Verbania, Italy.
| | - Vincenzo Torretta
- Department of Theoretical and Applied Sciences, University of Insubria, via J.H. Dunant 3, 21100 Varese, Italy.
| | - Elena Cristina Rada
- Department of Theoretical and Applied Sciences, University of Insubria, via J.H. Dunant 3, 21100 Varese, Italy.
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3
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García-Haba E, Benito-Kaesbach A, Hernández-Crespo C, Sanz-Lazaro C, Martín M, Andrés-Doménech I. Removal and fate of microplastics in permeable pavements: An experimental layer-by-layer analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172627. [PMID: 38653422 DOI: 10.1016/j.scitotenv.2024.172627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
The increasing prevalence of microplastics (MP) in urban environments has raised concerns over their negative effects on ecosystems and human health. Stormwater runoff, and road dust and sediment, act as major vectors of these pollutants into natural water bodies. Sustainable urban drainage systems, such as permeable pavements, are considered as potential tools to retain particulate pollutants. This research evaluates at laboratory scale the efficiency of permeable interlocking concrete pavements (PICP) and porous concrete pavements (PCP) for controlling microplastics, including tire wear particles (TWP) which constitute a large fraction of microplastics in urban environments, simulating surface pollution accumulation and Mediterranean rainfall conditions. Microplastic levels in road dust and sediments and stormwater runoff inputs were 4762 ± 974 MP/kg (dry weight) and 23.90 ± 17.40 MP/L. In infiltrated effluents, microplastic levels ranged from 2.20 ± 0.61 to 5.17 ± 1.05 MP/L; while tire wear particle levels ranged between 0.28 ± 0.28 and 3.30 ± 0.89 TWP/L. Distribution of microplastics within the layers of PICP and PCP were also studied and quantified. Microplastics tend to accumulate on the pavements surface and in geotextile layers, allowing microplastic retention efficiencies from 89 % to 99.6 %. Small sized (< 0.1 mm) fragment shaped microplastics are the most common in effluent samples. The results indicate that permeable pavements are a powerful tool to capture microplastics and tire wear particles, especially by surface and geotextile layers. The study aims to shed light on the complex mobilisation mechanisms of microplastics, providing valuable insights for addressing the growing environmental concern of microplastic pollution in urban areas.
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Affiliation(s)
- Eduardo García-Haba
- Instituto Universitario de Ingeniería del Agua y Medio Ambiente, Universitat Politècnica de València, Camí de Vera s/n, 46022 València, Spain.
| | | | - Carmen Hernández-Crespo
- Instituto Universitario de Ingeniería del Agua y Medio Ambiente, Universitat Politècnica de València, Camí de Vera s/n, 46022 València, Spain
| | - Carlos Sanz-Lazaro
- Departamento de Ecología, Universidad de Alicante, 99, E-03080 Alicante, Spain; Multidisciplinary Institute for Environmental Studies (MIES), Universidad de Alicante, 99, E-03080 Alicante, Spain
| | - Miguel Martín
- Instituto Universitario de Ingeniería del Agua y Medio Ambiente, Universitat Politècnica de València, Camí de Vera s/n, 46022 València, Spain
| | - Ignacio Andrés-Doménech
- Instituto Universitario de Ingeniería del Agua y Medio Ambiente, Universitat Politècnica de València, Camí de Vera s/n, 46022 València, Spain
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4
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Fu B, Zhou W, Chen Y, Wu Y, Gan W, She N, Ma Y. A bibliometric perspective on the occurrence and migration of microplastics in soils amended with sewage sludge. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e11054. [PMID: 38828755 DOI: 10.1002/wer.11054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/06/2024] [Accepted: 05/11/2024] [Indexed: 06/05/2024]
Abstract
The land application of sewage sludge from wastewater treatment plants has been recognized as a major source of microplastic contamination in soil. Nevertheless, the fate and behavior of microplastics in soil remain uncertain, particularly their distribution and transport, which are poorly understood. This study does a bibliometric analysis and visualization of relevant research publications using the CiteSpace software. It explores the limited research available on the topic, highlighting the potential for it to emerge as a research hotspot in the future. Chinese researchers and institutions are paying great attention to this field and are promoting close academic cooperation among international organizations. Current research hot topics mainly involve microplastic pollution caused by the land application of sewage sludge, as well as the detection, environmental fate, and removal of microplastics in soil. The presence of microplastics in sludge, typically ranging from tens of thousands to hundreds of thousands of particles (p)/kg, inevitably leads to their introduction into soil upon land application. In China, the estimated annual accumulation of microplastics in the soil due to sludge use is approximately 1.7 × 1013 p. In European countries, the accumulation ranges from 8.6 to 71 × 1013 p. Sludge application has significantly elevated soil microplastic concentrations, with higher application rates and frequencies resulting in up to several-fold increases. The primary forms of microplastics found in soils treated with sludge are fragments and fibers, primarily in white color. These microplastics consist primarily of components such as polyamide, polyethylene, and polypropylene. The vertical transport behavior of microplastics is influenced by factors such as tillage, wind, rainfall, bioturbation, microplastic characteristics (e.g., fraction, particle size, and shape), and soil physicochemical properties (e.g., organic matter, porosity, electrical conductivity, and pH). Research indicates that microplastics can penetrate up to 90 cm into the soil profile and persist for decades. Microplastics in sewage sludge-amended soils pose potential long-term threats to soil ecosystems and even human health. Future research should focus on expanding the theoretical understanding of microplastic behavior in these soils, enabling the development of comprehensive risk assessments and informed decision-making for sludge management practices. PRACTITIONER POINTS: Microplastics in sewage sludge range from tens to hundreds of thousands per kilogram. Sludge land application contributes significantly to soil microplastic pollution. The main forms of microplastics in sludge-amended soils are fragments and fibers. Microplastics are mainly composed of polyamide, polyethylene, and polypropylene. Microplastics can penetrate up to 90 cm into the soil profile and persist for decades.
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Affiliation(s)
- Bomin Fu
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, China
| | - Weimin Zhou
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China
| | - Yucai Chen
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China
| | - Yang Wu
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China
| | - Wenhui Gan
- School of Civil Engineering, Sun Yat-sen University, Guangzhou, China
| | - Nian She
- Smart Water Utility Research Institute, Tsinghua University Innovation Center in Zhuhai, Zhuhai, China
| | - Yibing Ma
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China
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5
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Ventura E, Marín A, Gámez-Pérez J, Cabedo L. Recent advances in the relationships between biofilms and microplastics in natural environments. World J Microbiol Biotechnol 2024; 40:220. [PMID: 38809290 PMCID: PMC11136731 DOI: 10.1007/s11274-024-04021-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/10/2024] [Indexed: 05/30/2024]
Abstract
Plastic pollution in the form of microplastics (MPs), poses a significant threat to natural ecosystems, with detrimental ecological, social, and economic impacts. This review paper aims to provide an overview of the existing research on the interaction between microbial biofilms and MPs in natural environments. The review begins by outlining the sources and types of MPs, emphasizing their widespread presence in marine, freshwater, and terrestrial ecosystems. It then discusses the formation and characteristics of microbial biofilms on MPs surfaces, highlighting their role in altering the physicochemical properties of MPs and facilitating processes such as vertical transport, biodegradation, dispersion of microorganisms, and gene transfer. Different methods used to assess these interactions are discussed, including microbiological and physicochemical characterization. Current gaps and challenges in understanding the complex relationships between biofilms and MPs are identified, highlighting the need for further research to elucidate the mechanisms underlying these complex interactions and to develop effective mitigation strategies. Innovative solutions, including bioremediation techniques and their combination with other strategies, such as nanotechnology, advanced filtration technologies, and public awareness campaigns, are proposed as promising approaches to address the issue of MPs pollution. Overall, this review underscores the urgent need for a multidisciplinary approach to combating MPs pollution, combining scientific research, technological innovation, and public engagement to safeguard the health and integrity of natural ecosystems.
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Affiliation(s)
- Eva Ventura
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Castelló de la Plana, Castellón, Spain
| | - Anna Marín
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Castelló de la Plana, Castellón, Spain
| | - José Gámez-Pérez
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Castelló de la Plana, Castellón, Spain
| | - Luis Cabedo
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Castelló de la Plana, Castellón, Spain.
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6
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Chen K, Chen L, Shao H, Li J, Wang H, Mao C, Xu G. Investigation into the characteristics of electron beam-aged microplastics and adsorption behavior of dibutyl phthalate. CHEMOSPHERE 2024; 360:142342. [PMID: 38754492 DOI: 10.1016/j.chemosphere.2024.142342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/18/2024]
Abstract
Microplastics are increasingly prevalent in the environment, and their ability to adsorb various organic additives, posing harm to organisms, has attracted growing attention. Currently, there are no effective methods to age microplastics, and there is limited discussion on the subsequent treatment of aged microplastics. This study focuses on micro polyethylene (PE) and employs electron beam technology for aging treatment, investigating the adsorption and leaching behavior between PE and dibutyl phthalate (DBP) before and after aging. Experimental results indicate that with increasing doses of electron beam irradiation, the surface microstructure of PE worsens, inducing the generation of oxygen-containing functional groups on the surface of polyethylene. Comparative evaluations between electron beam aging and existing methods show that electron beam technology surpasses existing aging methods, achieving a level of aging exceeding 0.7 within an extremely short period of 1 min at doses exceeding 350 kGy. Adsorption experiments demonstrate that the adsorption between PE and DBP conforms to pseudo-second-order kinetics and the Freundlich model both before and after aging. The adsorption capacity of microplastics for DBP increases from 76.8 mg g-1 to 167.0 mg g-1 after treatment, exceeding that of conventional DBP adsorbents. Electron beam irradiation causes aging of microplastics mainly through the generation of ·OH, which lead to the formation of oxygen-containing functional groups on the microplastics' surface, thereby enhancing their adsorption capacity for DBP. This provides a new perspective for the degradation of aged microplastics and composite pollutants.
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Affiliation(s)
- Kang Chen
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China
| | - Lei Chen
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China
| | - Haiyang Shao
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China.
| | - Jiayuan Li
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China
| | - Hongyong Wang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China
| | - Chengkai Mao
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China
| | - Gang Xu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China; Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai, 200444, PR China.
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7
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Tsuchida K, Imoto Y, Saito T, Hara J, Kawabe Y. A novel and simple method for measuring nano/microplastic concentrations in soil using UV-Vis spectroscopy with optimal wavelength selection. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024:116366. [PMID: 38806335 DOI: 10.1016/j.ecoenv.2024.116366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/27/2024] [Accepted: 04/20/2024] [Indexed: 05/30/2024]
Abstract
A simple method for measuring the concentration of nano/microplastics (N/MPs) in soil, which is difficult owing to the size of the filter mesh and the resolution of the measuring instrument, was investigated. A spectrophotometer was used for the measurements and polystyrene particles were used as the N/MP samples. When measuring N/MP concentrations in soil suspensions, absorbance was measured at two wavelengths, and the best combination of wavelengths for measurement was extracted because soil particles and leached components interfere with N/MP absorbance. A wavelength combination of 220-260 nm and 280-340 nm was found to be suitable for a variety of soils. As N/MPs are adsorbed on the surface of soil particles and precipitate with soil particles in suspension, a calibration curve was created between the concentration of N/MPs in the soil suspension and the N/MP content in the soil. The calibration curve showed a linear relationship, allowing for the estimation of the concentration of N/MPs in the soil. Although other N/MP materials, such as polyethylene and polyethylene terephthalate, must also still be considered and tested, this simple method has the potential to measure N/MPs in various types of soil.
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Affiliation(s)
- Kyouhei Tsuchida
- National Institute of Advanced Industrial Science and Technology (AIST) Central7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan; Department of Resources and Environmental Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan.
| | - Yukari Imoto
- National Institute of Advanced Industrial Science and Technology (AIST) Central7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan
| | - Takeshi Saito
- National Institute of Advanced Industrial Science and Technology (AIST) Central7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan
| | - Junko Hara
- National Institute of Advanced Industrial Science and Technology (AIST) Central7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan
| | - Yoshishige Kawabe
- Department of Resources and Environmental Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
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Wang Y, Liu X, Han W, Jiao J, Ren W, Jia G, Huang C, Yang Q. Migration and transformation modes of microplastics in reclaimed wastewater treatment plant and sludge treatment center with thermal hydrolysis and anaerobic digestion. BIORESOURCE TECHNOLOGY 2024; 400:130649. [PMID: 38570098 DOI: 10.1016/j.biortech.2024.130649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/13/2024] [Accepted: 03/31/2024] [Indexed: 04/05/2024]
Abstract
Microplastics in wastewater have been investigated globally, but less research on the migration and transformation of microplastics throughout wastewater and sludge treatment. This study investigated the fate of microplastics in a reclaimed wastewater treatment plant and a centralized sludge treatment center with thermal hydrolysis and anaerobic digestion. The results exhibited that the effluent microplastics of this reclaimed wastewater treatment plant were 0.75 ± 0.26 items/L. Approximately 98 % of microplastics were adsorbed and precipitated into sludge. After thermal hydrolysis, anaerobic digestion and plate and frame dewatering, the removal rate of microplastics was 41 %. Thermal hydrolysis was the most effective method for removing microplastics. Polypropylene, polyamide and polyethylene were widely detected in wastewater and sludge. 30 million microplastics were released into the downstream river and 51.80 billion microplastics entered soil through sludge cake daily. Therefore, substantial microplastics still entered the natural environment despite the high microplastics removal rate of reclaimed wastewater and sludge treatment.
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Affiliation(s)
- Yaxin Wang
- Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Xiuhong Liu
- Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China.
| | - Weipeng Han
- Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Jiatong Jiao
- Beijing Drainage Group Co., Ltd, Beijing 100034, China
| | - Wenyang Ren
- Beijing Drainage Group Co., Ltd, Beijing 100034, China
| | - Gaofeng Jia
- Beijing Drainage Group Co., Ltd, Beijing 100034, China
| | - Chenduo Huang
- Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Qing Yang
- Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
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9
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Li X, Liu L, Zhang X, Yang X, Niu S, Zheng Z, Dong B, Hur J, Dai X. Aging and mitigation of microplastics during sewage sludge treatments: An overview. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171338. [PMID: 38428608 DOI: 10.1016/j.scitotenv.2024.171338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/26/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
Wastewater treatment plants (WWTPs) receive large quantities of microplastics (MPs) from raw wastewater, but many MPs are trapped in the sludge. Land application of sludge is a significant source of MP pollution. Existing reviews have summarized the analysis methods of MPs in sludge and the effect of MPs on sludge treatments. However, MP aging and mitigation during sludge treatment processes are not fully reviewed. Treatment processes used to remove water, pathogenic microorganisms, and other pollutants in sewage sludge also cause surface changes and degradation in the sludge MPs, affecting the potential risk of MPs. This study integrates MP abundance and distribution in sludge and their aging and mitigation characteristics during sludge treatment processes. The abundance, composition, and distribution of sludge MPs vary significantly with WWTPs. Furthermore, MPs exhibit variable degrees of aging, including rough surfaces, enhanced adsorption potentials for pollutants, and increased leaching behavior. Various sludge treatment processes further intensify these aging characteristics. Some sludge treatments, such as hydrothermal treatment, have efficiently removed MPs from sewage sludge. It is crucial to understand the potential risk of MP aging in sludge and the degradation properties of the MP-derived products from MP degradation in-depth and develop novel MP mitigation strategies in sludge, such as combining hydrothermal treatment and biological processes.
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Affiliation(s)
- Xiaowei Li
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - Lulu Liu
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - Xiaolei Zhang
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - XingFeng Yang
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - Shiyu Niu
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - Zhiyong Zheng
- School of Environmental and Chemical Engineering, Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, Shanghai 200444, PR China
| | - Bin Dong
- State Key Laboratory of Pollution Control and Resources Reuse, National Engineering Research Center for Urban Pollution Control, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China.
| | - Jin Hur
- Department of Environment and Energy, Sejong University, 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, South Korea.
| | - Xiaohu Dai
- State Key Laboratory of Pollution Control and Resources Reuse, National Engineering Research Center for Urban Pollution Control, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
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10
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Klemmensen NDR, Chand R, Blanco MS, Vollertsen J. Microplastic abundance in sludge-treated fields: Variance and estimated half-life. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171394. [PMID: 38431170 DOI: 10.1016/j.scitotenv.2024.171394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
This study investigated the abundance of microplastic (MP) in agricultural soil fertilised with sludge, assessing the variation in MP count and estimated mass in three long-term field trials treated excessively with sludge in 2003-2012. Ten samples were taken from each of the three fields with concentrations ranging from 2392 to 48,791 counts kg-1, where over 50 % of the MPs were polyester and acrylic. Due to the considerable variation in concentration, the impact of the number of sub-samples on the predicted measured concentration was estimated applying a Monto Carlo simulation approach. Choosing the number of sampling points is a compromise between acceptable sampling error and available resources. The simulations showed an increasingly high risk of obtaining an outlier when taking less than approx. ten subsamples. When ending fertilisation with sludge, the estimated half-life for the MPs measured by counts was approx. 2.5 years, whereas the half-life for the MP estimated mass was approx. 4 years. Hence, smaller particles seemed to degrade and/or migrate elsewhere the fastest.
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Affiliation(s)
- Nanna D R Klemmensen
- Department of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Øst, Denmark.
| | - Rupa Chand
- Department of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Øst, Denmark
| | - María S Blanco
- Department of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Øst, Denmark
| | - Jes Vollertsen
- Department of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Øst, Denmark
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11
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Palazot M, Soccalingame L, Froger C, Jolivet C, Bispo A, Kedzierski M, Bruzaud S. First national reference of microplastic contamination of French soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170564. [PMID: 38311079 DOI: 10.1016/j.scitotenv.2024.170564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/09/2024] [Accepted: 01/28/2024] [Indexed: 02/06/2024]
Abstract
The recent emergence of studies on plastic contamination of terrestrial environments has revealed the presence of microplastics (MP) in a variety of soil types, from the most densely populated areas to the most remote ones. However, the concentrations and chemical natures of MP in soils vary between studies, and only a few ones have focused on this issue in France. The MICROSOF project aimed to establish the first national references for French soil contamination by microplastics. 33 soil samples randomly chosen on the French soil quality-monitoring network were analyzed. The study collected data on the abundance of microplastics in the [315-5000] μm range, their chemical nature and size, as well as mass abundance estimates and other relevant information. Results demonstrated that 76 % of the soil samples contained microplastics, in concentrations ranging from <6.7 to 80 MP.kg-1 (dry soil). Most samples from croplands, grasslands and vineyards and orchards were contaminated, whereas only one sample from forest contained MP, suggesting an increased risk of microplastic contamination in soils exposed to agricultural practices. The MP abundances are not statistically different from similar studies, indicating an intermediate level of contamination in French soils. Despite intervention reports and surveys, the sources remain unclear at this stage. For the first time, an overview of the state of soil contamination in France, as well as the potential risks is provided.
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Affiliation(s)
- Maialen Palazot
- Université Bretagne Sud, UMR CNRS 6027, IRDL, F-56100 Lorient, France
| | - Lata Soccalingame
- Université Bretagne Sud, UMR CNRS 6027, IRDL, F-56100 Lorient, France
| | | | | | | | - Mikaël Kedzierski
- Université Bretagne Sud, UMR CNRS 6027, IRDL, F-56100 Lorient, France.
| | - Stéphane Bruzaud
- Université Bretagne Sud, UMR CNRS 6027, IRDL, F-56100 Lorient, France
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12
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Liava V, Golia EE. Effect of microplastics used in agronomic practices on agricultural soil properties and plant functions: Potential contribution to the circular economy of rural areas. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2024:734242X241234234. [PMID: 38520089 DOI: 10.1177/0734242x241234234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/25/2024]
Abstract
The extensive use of plastic materials and their improper disposal results in high amounts of plastic waste in the environment. Aging of plastics leads to their breakdown into smaller particles, such as microplastics (MPs) and nanoplastics. This research investigates plastics used in agricultural practices as they contribute to MP pollution in agricultural soils. The distribution and characteristics of MPs in agricultural soils were evaluated. In addition, the effect of MPs on soil properties, the relationship between MPs and metals in soil, the effect of MPs on the fate of pesticides in agricultural soils and the influence of MPs on plant growth were analysed, discussing legume, cereal and vegetable crops. Finally, a brief description of the main methods of chemical analysis and identification of MPs is presented. This study will contribute to a better understanding of MPs in agricultural soils and their effect on the soil-plant system. The changes induced by MPs in soil parameters can lead to potential benefits as it is possible to increase the availability of micronutrients and reduce plant uptake of toxic elements. Furthermore, although plastic pollution remains an emerging threat to soil ecosystems, their presence may result in benefits to agricultural soils, highlighting the principles of the circular economy.
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Affiliation(s)
- Vasiliki Liava
- Faculty of Agriculture, Forestry and Natural Environment, Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Volos, Greece
| | - Evangelia E Golia
- Faculty of Agriculture, Forestry and Natural Environment, Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
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13
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He B, Liu Z, Wang X, Li M, Lin X, Xiao Q, Hu J. Dosage and exposure time effects of two micro(nono)plastics on arbuscular mycorrhizal fungal diversity in two farmland soils planted with pepper (Capsicum annuum L.). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170216. [PMID: 38278273 DOI: 10.1016/j.scitotenv.2024.170216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/02/2024] [Accepted: 01/14/2024] [Indexed: 01/28/2024]
Abstract
As emerging environmental pollutants, micro(nano)plastics (MPs) like polyethylene terephthalate (PET) and low-density polyethylene (LDPE) have adverse effects on terrestrial biota and ecosystem function. However, the performance and roles of soil arbuscular mycorrhizal (AM) fungi in MPs-contaminated vegetable fields are poorly understood. Thus, a 120-day pot experiment was conducted to test the impacts of two input levels of either PET (~13 μm) or LDPE (~500 nm) on AM fungal diversity and pepper (Capsicum annuum L.) growth in two farmland soils collected from Nanjing (NJ) and Chongqing (CQ), respectively. In the vast majority of cases, 1 % rather than 0.1 % of both MPs greatly decreased the observed richness, Shannon and Simpson's indices, and Pielou's evenness of AM fungi, and decreased mycorrhizal colonization, root and shoot biomasses, fruit yield, and leaf superoxide dismutase, peroxidase, and catalase activities of pepper, while increased leaf malondialdehyde content. From day 40 to 120, the inhibition of either diversity or vitality of AM fungi by 1 % and 0.1 % of MPs gradually increased and weakened, respectively. Compared with PET, LDPE with substantially smaller particle size was more toxic to mycorrhization at day 40, but no longer at day 120. Almost all plant parameters significantly correlated to mycorrhizal colonization, which significantly correlated to both Shannon and Simpson's indices of AM fungi, and soil pH, available P and K concentrations, and alkaline phosphatase activity. All diversity indices of AM fungi clearly negatively correlated to soil pH from 4.4 to 5.6 for the NJ soil and from 5.3 to 6.5 for the CQ soil, and also positively to mineral N and negatively to available P concentrations for the NJ and CQ soils, respectively. Thus, the study emphasized that high input of MPs significantly inhibited soil AM fungal diversity and vitality and thereby vegetable growth via changing soil pH and major nutrient availability.
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Affiliation(s)
- Baiping He
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Zihao Liu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Wang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Minghui Li
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xiangui Lin
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Qingqing Xiao
- School of Biology, Food and Environment, Hefei University, Hefei 230601, China.
| | - Junli Hu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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14
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Circelli L, Cheng Z, Garwood E, Yuksel K, Di Iorio E, Angelico R, Colombo C. Comparison of ATR-FTIR and NIR spectroscopy for identification of microplastics in biosolids. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170215. [PMID: 38262536 DOI: 10.1016/j.scitotenv.2024.170215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/12/2024] [Accepted: 01/14/2024] [Indexed: 01/25/2024]
Abstract
Biosolids are considered a potentially major input of microplastics (MPs) to agricultural soils. Our study aims to identify the polymeric origin of MPs extracted from biosolid samples by comparing their Attenuated Total Reflection (ATR) - Fourier-transform infrared (FTIR) spectra with the corresponding near-infrared (NIR) spectra. The reflectance spectra were preprocessed by Savitzky-Golay (SG), first derivative (FD) and compared with analogous spectra acquired on a set of fifty-two selected commercial plastic (SCP) materials collected from readily available products. According to the results portrayed in radar chart and built from both ATR-FTIR and NIR spectral datasets, the MPs showed high correlations with polymers such as polyethylene (LDPE, HDPE), polyethylene terephthalate (PET), polystyrene (PS), polypropylene (PP) and polyamide (PA), determined in SCP samples. Each unknown MP sample had on average three or more links to several types of SCP, according to the correlation coefficients for each polymer ranging from 0.7 up to 1. The comparison analysis classified the majority of MPs as composed mainly by LDPE/HDPE, according to the top correlation coefficients (r > 0.90). PP and PET were better identified with NIR than ATR-FTIR. In contrast to ATR-FTIR analysis, NIR was unable to identify PS. Based on these results, the primary sources of MPs in the biosolids could be identified as discarded consumer packaging (containers, bags, bottles) and fibers from laundry, disposable glove, and cleaning cloth. SYNOPSIS: Microplastics (MPs) are considered contaminants of emerging concern. This study compares two simple and fast spectroscopy techniques to identify microplastics in the biosolid matrix.
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Affiliation(s)
- Luana Circelli
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy; Department of Earth and Environmental Sciences, Brooklyn College of the City University of New York, Brooklyn, NY, USA.
| | - Zhongqi Cheng
- Department of Earth and Environmental Sciences, Brooklyn College of the City University of New York, Brooklyn, NY, USA; Graduate Center and Advanced Science Research Center of the City University of New York, New York, NY, USA
| | - Evan Garwood
- Department of Earth and Environmental Sciences, Brooklyn College of the City University of New York, Brooklyn, NY, USA
| | - Kerem Yuksel
- Department of Earth and Environmental Sciences, Brooklyn College of the City University of New York, Brooklyn, NY, USA
| | - Erika Di Iorio
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Ruggero Angelico
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Claudio Colombo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
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15
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Talukdar A, Kundu P, Bhattacharya S, Dutta N. Microplastic contamination in wastewater: Sources, distribution, detection and remediation through physical and chemical-biological methods. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170254. [PMID: 38253100 DOI: 10.1016/j.scitotenv.2024.170254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/02/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Microplastics are tiny plastic particles smaller than 5 mm. that have been widely detected in the environment, including in wastewater. They originate from various sources including breakdown of larger plastic debris, release of plastic fibres from textiles, and microbeads commonly used in personal care products. In wastewater, microplastics can pass through the treatment process and enter the environment, causing harm to biodiversity by potentially entering the food chain. Additionally, microplastics can act as a vector for harmful pollutants, increasing their transport and distribution in the environment. To address this issue, there is a growing need for effective wastewater treatment methods that can effectively remove microplastics. Currently, several physical and chemical methods are available, including filtration, sedimentation, and chemical degradation. However, these methods are costly, low efficiency and generate secondary pollutants. Furthermore, lack of standardization in the measurement and reporting of microplastics in wastewater, makes it difficult to accurately assess microplastic impact on the environment. In order to effectively manage these issues, further research and development of effective and efficient methods for removing microplastics from wastewater, as well as standardization in measurement and reporting, are necessary to effectively manage these detrimental contaminants.
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Affiliation(s)
- Avishek Talukdar
- Department of Zoology, University of Calcutta, Kolkata, West Bengal, India
| | - Pritha Kundu
- School of Ecology and Environment Studies, Nalanda University, Rajgir, Nalanda, Bihar 803116, India
| | - Sayan Bhattacharya
- School of Ecology and Environment Studies, Nalanda University, Rajgir, Nalanda, Bihar 803116, India.
| | - Nalok Dutta
- Biochemical Engineering Department, University College London, London WC1E 6BT, United Kingdom
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16
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Liu K, Li Q, Andrady AL, Wang X, He Y, Li D. Underestimated activity-based microplastic intake under scenario-specific exposures. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 18:100316. [PMID: 37860830 PMCID: PMC10583090 DOI: 10.1016/j.ese.2023.100316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 09/04/2023] [Accepted: 09/11/2023] [Indexed: 10/21/2023]
Abstract
Despite increasing alarms over the health impacts of microplastics (MPs) due to their detection in human organs and feces, precise exposure evaluations remain scarce. To comprehend their risks, there is a distinct need to prioritize quantitive estimates in MP exposome, particularly at the environmentally-realistic level. Here we used a method rooted in real-world MP measurements and activity patterns to determine the daily intake of MPs through inhalation and from ground dust/soil ingestion. We found that nearly 80% of this intake comes from residential sectors, with activity intensity and behavioral types significantly affecting the human MP burden. The data showed a peak in MP exposure for those aged 18-64. When compared to dietary MP intake sources like seafood, salt, and water, we identified a previously underestimated exposure from inhalation and dust/soil ingestion, emphasizing the need for more realistic evaluations that incorporate activity factors. This discovery raises questions about the accuracy of past studies and underscores MP's potential health risks. Moreover, our time-based simulations revealed increased MP intake during the COVID-19 lockdown due to more surface dust ingestion, shedding light on how global health crises may inadvertently elevate MP exposure risks.
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Affiliation(s)
- Kai Liu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China
- Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
- Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China
| | - Qingqing Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China
- Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China
| | - Anthony L. Andrady
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Xiaohui Wang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China
- Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
- Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China
| | - Yinan He
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China
- Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
- Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China
| | - Daoji Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China
- Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
- Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China
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17
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Boughattas I, Vaccari F, Zhang L, Bandini F, Miras-Moreno B, Missawi O, Hattab S, Mkhinini M, Lucini L, Puglisi E, Banni M. Co-exposure to environmental microplastic and the pesticide 2,4-dichlorophenoxyacetic acid (2,4-D) induce distinctive alterations in the metabolome and microbial community structure in the gut of the earthworm Eisenia andrei. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123213. [PMID: 38158010 DOI: 10.1016/j.envpol.2023.123213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
Microplastics (MPs) are recognized as emergent pollutants and have become a significant environmental concern, especially when combined with other contaminants. In this study, earthworms, specifically Eisenia andrei, were exposed to MPs (at a concentration of 10 μg kg-1 of soil), herbicide 2,4-D (7 mg kg-1 of soil), and a combination of the two for 7 and 14 days. The chemical uptake in the earthworms was measured, and the bacterial and archaeal diversities in both the soil and earthworm gut were analyzed, along with the metabolomic profiles. Additionally, data integration of the two omics approaches was performed to correlate changes in gut microbial diversity and the different metabolites. Our results demonstrated that earthworms ingested MPs and increased 2,4-D accumulation. More importantly, high-throughput sequencing revealed a shift in microbial diversity depending on single or mixture exposition. Metabolomic data demonstrated an important modulation of the metabolites related to oxidative stress, inflammatory system, amino acids synthesis, energy, and nucleic acids metabolism, being more affected in case of co-exposure. Our investigation revealed the potential risks of MPs and 2,4-D herbicide combined exposure to earthworms and soil fertility, thus broadening our understanding of MPs' toxicity and impacts on terrestrial environments.
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Affiliation(s)
- Iteb Boughattas
- Laboratory of Ecotoxicology and Agrobiodiversity, Sousse University, Tunisia; Regional Field Crops Research Center of Beja, IRESA, Tunisia
| | - Filippo Vaccari
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Leilei Zhang
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Francesca Bandini
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Begoña Miras-Moreno
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Omayma Missawi
- Laboratory of Ecotoxicology and Agrobiodiversity, Sousse University, Tunisia
| | - Sabrine Hattab
- Laboratory of Ecotoxicology and Agrobiodiversity, Sousse University, Tunisia; Regional Research Centre in Horticulture and Organic Agriculture, Chott-Mariem, 4042 Sousse, Tunisia
| | - Marouane Mkhinini
- Laboratory of Ecotoxicology and Agrobiodiversity, Sousse University, Tunisia
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Edoardo Puglisi
- Department for Sustainable Food Process, Università Cattolica Del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Mohamed Banni
- Laboratory of Ecotoxicology and Agrobiodiversity, Sousse University, Tunisia; Higher Institute of Biotechnology, Monastir University, Tunisia
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18
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Adhikari K, Pearce CI, Sanguinet KA, Bary AI, Chowdhury I, Eggleston I, Xing B, Flury M. Accumulation of microplastics in soil after long-term application of biosolids and atmospheric deposition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168883. [PMID: 38040367 DOI: 10.1016/j.scitotenv.2023.168883] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
Land-applied biosolids can be a considerable source of microplastics in soils. Previous studies reported microplastics accumulation in soils from biosolid application, however, little is known about the contribution of atmospherically deposited microplastics to agricultural soils. In this study, we quantified and characterized microplastics in soils that have been amended with biosolids over the past 23 years. We also collected atmospheric deposition samples to determine the amount and type of plastics added to soils through atmospheric input over a period of about 2 years. Soil samples were taken from a replicated field trial where biosolids have been applied at rates of 0, 4.8, 6.9, and 9.0 t/ha every second crop. The biosolids were anaerobically digested and dewatered, and were applied by spreading onto the soil surface. Soil and atmospheric samples were extracted for microplastics by Fenton's reaction to remove organic matter followed by flotation in a zinc chloride solution to separate plastic from soil particles. Samples were analyzed for microplastics by optical microscopy and Laser Direct Infrared Imaging Analysis (LDIR). The mean number of microplastics identified from biosolids samples was 12,000 particles/kg dry biosolids. The long-term applications of biosolids to the soil led to mean plastics concentrations of 383, 500, and 361 particles/kg dry soil in the 0-10 cm depth for low, medium, and high biosolids application rates, respectively. These plastic concentrations were not significantly different from each other, but significantly higher than those found in non biosolids-amended soil (117 particles/kg dry soil). The dominant plastic types by number found in biosolids were polyurethane, followed by polyethylene, and polyamide. The most abundant plastics in soil samples were polyurethane, polyethylene terephthalate, polyamide, and polyethylene. Atmospheric deposition contributed to 15 particles/kg dry soil per year and was mainly composed of polyamide fibers. This study shows that long-term application of biosolids led to an accumulation of microplastics in soil, but that atmospheric deposition also contributes a considerable input of microplastics.
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Affiliation(s)
- Kaushik Adhikari
- Department of Crop & Soil Sciences, Washington State University, Pullman, WA 99164, and Puyallup, WA 98371, USA
| | - Carolyn I Pearce
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Karen A Sanguinet
- Department of Crop & Soil Sciences, Washington State University, Pullman, WA 99164, and Puyallup, WA 98371, USA
| | - Andy I Bary
- Department of Crop & Soil Sciences, Washington State University, Pullman, WA 99164, and Puyallup, WA 98371, USA
| | - Indranil Chowdhury
- Department of Civil & Environmental Engineering, Washington State University, Pullman, WA 99164, USA
| | - Ian Eggleston
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA
| | - Markus Flury
- Department of Crop & Soil Sciences, Washington State University, Pullman, WA 99164, and Puyallup, WA 98371, USA.
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Shi W, Wu N, Zhang Z, Liu Y, Chen J, Li J. A global review on the abundance and threats of microplastics in soils to terrestrial ecosystem and human health. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169469. [PMID: 38154650 DOI: 10.1016/j.scitotenv.2023.169469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/29/2023] [Accepted: 12/16/2023] [Indexed: 12/30/2023]
Abstract
Soil is the source and sink of microplastics (MPs), which is more polluted than water and air. In this paper, the pollution levels of MPs in the agriculture, roadside, urban and landfill soils were reviewed, and the influence of MPs on soil ecosystem, including soil properties, microorganisms, animals and plants, was discussed. According to the results of in vivo and in vitro experiments, the possible risks of MPs to soil ecosystem and human health were predicted. Finally, in light of the current status of MPs research, several prospects are provided for future research directions to better evaluate the ecological risk and human health risk of MPs. MPs concentrations in global agricultural soils, roadside soils, urban soils and landfill soils had a great variance in different studies and locations. The participation of MPs has an impact on all aspects of terrestrial ecosystems. For soil properties, pH value, bulk density, pore space and evapotranspiration can be changed by MPs. For microorganisms, MPs can alter the diversity and abundance of microbiome, and different MPs have different effects on bacteria and fungi differently. For plants, MPs may interfere with their biochemical and physiological conditions and produce a wide range of toxic effects, such as inhibiting plant growth, delaying or reducing seed germination, reducing biological and fruit yield, and interfering with photosynthesis. For soil animals, MPs can affect their mobility, growth rate and reproductive capacity. At present epidemiological evidences regarding MPs exposure and negative human health effects are unavailable, but in vitro and in vivo data suggest that they pose various threats to human health, including respiratory system, digestive system, urinary system, endocrine system, nervous system, and circulation system. In conclusion, the existence and danger of MPs cannot be ignored and requires a global effort.
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Affiliation(s)
- Wenshan Shi
- School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou 215123, China
| | - Nan Wu
- School of Geography, Queen Mary University of London, London E1 4NS, UK
| | - Zengli Zhang
- School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou 215123, China.
| | - Yuting Liu
- School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou 215123, China
| | - Jingsi Chen
- School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou 215123, China
| | - Jiafu Li
- School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou 215123, China.
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20
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Jia Z, Wei W, Wang Y, Chang Y, Lei R, Che Y. Occurrence characteristics and risk assessment of microplastics in agricultural soils in the loess hilly gully area of Yan' an, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169627. [PMID: 38157894 DOI: 10.1016/j.scitotenv.2023.169627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
Large amounts of microplastics accumulated in the soil of agricultural fields with the rapid development of mulch agriculture. The enrichment of microplastics endangered the growth of crops and food security, and it also posed ecological risks. In this study, we investigated microplastics in a typical agriculture area of Yan' an City, in the loess hilly gully area of China. The characteristics of microplastics including their abundances, sizes, and types were measured through laser direct infrared spectrometer. The potential sources of microplastics were analyzed and the risk of soil microplastic pollution was evaluated. It was elaborated that the average abundances of microplastics in soil, water, and fertilizer were 4505 ± 435 n·kg-1, 91 ± 27 n·L-1, and 39,629 ± 10,114 n·kg-1, respectively. Microplastics with particle sizes < 100 μm accounted for >90 %. The smaller the particle size, the higher the content of microplastics. The top three polymers were polyethylene (PE, 37.4 %), polyethylene terephthalate (PET, 15.0 %), and ethylene vinyl acetate (EVA, 8.9 %), respectively. Agricultural mulch, plastic film, domestic waste, surface water irrigation, and organic compost were probably the potential sources of soil microplastics. The ecological risk evaluation showed that overall sampling sites had a minor ecological risk of microplastic pollution based on their abundance, while the polymer type showed a relatively high ecological risk for the investigated agricultural soils. Polyvinylchloride (PVC) and polymethylmethacrylate (PMMA) contribute considerably to the ecological risk, and their inputs to the farmland environment should be strictly limited. There was no significant carcinogenic risk to humans. This study would provide the basic reference for the current situation and risk assessment of farmland soil microplastics pollution in the loess hilly gully area of China.
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Affiliation(s)
- Zhifeng Jia
- School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang'an University, Xi'an 710054, China
| | - Wei Wei
- School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang'an University, Xi'an 710054, China
| | - Yanhua Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
| | - Yingjie Chang
- School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang'an University, Xi'an 710054, China
| | - Rui Lei
- School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang'an University, Xi'an 710054, China
| | - Yanhong Che
- Xi'an Guolian Quality Testing Technology Co., LTD, Xi'an 710116, China
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21
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Lee SE, Yoon HK, Kim DY, Jeong TS, Park YS. An Emerging Role of Micro- and Nanoplastics in Vascular Diseases. Life (Basel) 2024; 14:255. [PMID: 38398764 PMCID: PMC10890539 DOI: 10.3390/life14020255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/06/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Vascular diseases are the leading causes of death worldwide, and they are attributable to multiple pathologies, such as atherosclerosis, diabetes, and chronic obstructive pulmonary disease. Exposure to various environmental contaminants is associated with the development of various diseases, including vascular diseases. Among environmental contaminants, micro- and nanoplastics have gained attention as global environmental risk factors that threaten human health. Recently, extensive research has been conducted on the effects of micro- and nanoplastics on various human diseases, including vascular diseases. In this review, we highlight the effects of micro- and nanoplastics on vascular diseases.
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Affiliation(s)
- Seung Eun Lee
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Kyung Yoon
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (H.K.Y.); (D.Y.K.); (T.S.J.)
| | - Do Yun Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (H.K.Y.); (D.Y.K.); (T.S.J.)
| | - Taek Seung Jeong
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (H.K.Y.); (D.Y.K.); (T.S.J.)
| | - Yong Seek Park
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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22
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Norling M, Hurley R, Schell T, Futter MN, Rico A, Vighi M, Blanco A, Ledesma JLJ, Nizzetto L. Retention efficiency for microplastic in a landscape estimated from empirically validated dynamic model predictions. JOURNAL OF HAZARDOUS MATERIALS 2024; 464:132993. [PMID: 37984140 DOI: 10.1016/j.jhazmat.2023.132993] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/30/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023]
Abstract
Soils are recipients of microplastic that can be subsequently transferred to the sea. Land sources dominate inputs to the ocean, but knowledge gaps about microplastic retention by land hinder assessments of input rates. Here we present the first empirical evaluation of a dynamic microplastic fate model operating at landscape level. This mechanistic model accounts for hydrology, soil and sediment erosion, particle characteristics and behavior. We predict microplastic concentrations in water and sediments of the Henares river (Spain) within the measurement uncertainty boundaries (error factors below 2 and 10, respectively). Microplastic export from land and discharge by river fluctuates in a non-linear manner with precipitation and runoff variability. This indicates the need of accurate dynamic descriptions of soil and stream hydrology even when modeling microplastic fate and transport in generic scenarios and at low spatio-temporal resolution. A time-averaged landscape retention efficiency was calculated showing 20-50% of the microplastics added to the catchment over a multiannual period were retained. While the analysis reveals persistent uncertainties and knowledge gaps on microplastic sources to the catchment, these results contribute to the quantitative understanding of the role of terrestrial environments in accumulating microplastics, delaying their transport to the sea.
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Affiliation(s)
- Magnus Norling
- Norwegian Institute for Water Research, NO-0349 Oslo, Norway.
| | - Rachel Hurley
- Norwegian Institute for Water Research, NO-0349 Oslo, Norway
| | - Theresa Schell
- IMDEA Water Institute, Science and Technology Campus of the University of Alcala, Avenida Punto Com 2, 28805 Alcala´ de Henares, Madrid, Spain
| | - Martyn N Futter
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Andreu Rico
- IMDEA Water Institute, Science and Technology Campus of the University of Alcala, Avenida Punto Com 2, 28805 Alcala´ de Henares, Madrid, Spain; Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, 46980 Paterna, Valencia, Spain
| | - Marco Vighi
- IMDEA Water Institute, Science and Technology Campus of the University of Alcala, Avenida Punto Com 2, 28805 Alcala´ de Henares, Madrid, Spain
| | - Alberto Blanco
- IMDEA Water Institute, Science and Technology Campus of the University of Alcala, Avenida Punto Com 2, 28805 Alcala´ de Henares, Madrid, Spain
| | - José L J Ledesma
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden; Institute of Geography and Geoecology, Karlsruhe Institute of Technology, Reinhard-Baumeister-Platz 1, 76131 Karlsruhe, Germany
| | - Luca Nizzetto
- Norwegian Institute for Water Research, NO-0349 Oslo, Norway; Research Centre for Toxic Compounds in the Environment, Masaryk University, 62500 Brno, Czech Republic.
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23
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Zhu Y, Che R, Zong X, Wang J, Li J, Zhang C, Wang F. A comprehensive review on the source, ingestion route, attachment and toxicity of microplastics/nanoplastics in human systems. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 352:120039. [PMID: 38218169 DOI: 10.1016/j.jenvman.2024.120039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 12/04/2023] [Accepted: 12/25/2023] [Indexed: 01/15/2024]
Abstract
Microplastics (MPs)/nanoplastics (NPs) are widely found in the natural environment, including soil, water and the atmosphere, which are essential for human survival. In the recent years, there has been a growing concern about the potential impact of MPs/NPs on human health. Due to the increasing interest in this research and the limited number of studies related to the health effects of MPs/NPs on humans, it is necessary to conduct a systematic assessment and review of their potentially toxic effects on human organs and tissues. Humans can be exposed to microplastics through ingestion, inhalation and dermal contact, however, ingestion and inhalation are considered as the primary routes. The ingested MPs/NPs mainly consist of plastic particles with a particle size ranging from 0.1 to 1 μm, that distribute across various tissues and organs within the body, which in turn have a certain impact on the nine major systems of the human body, especially the digestive system and respiratory system, which are closely related to the intake pathway of MPs/NPs. The harmful effects caused by MPs/NPs primarily occur through potential toxic mechanisms such as induction of oxidative stress, generation of inflammatory responses, alteration of lipid metabolism or energy metabolism or expression of related functional factors. This review can help people to systematically understand the hazards of MPs/NPs and related toxicity mechanisms from the level of nine biological systems. It allows MPs/NPs pollution to be emphasized, and it is also hoped that research on their toxic effects will be strengthened in the future.
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Affiliation(s)
- Yining Zhu
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Ruijie Che
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Xinyan Zong
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jinhan Wang
- School of Public Health, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Jining Li
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Chaofeng Zhang
- Sino-Jan Joint Lab of Natural Health Products Research, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 210009, China
| | - Fenghe Wang
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China.
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24
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Ding R, Li Q, Wang K, Tian J, Lu L, Li W, Xu L. Occurrence and distribution of microplastics in the adjacent environment of Yellow River Delta, China. MARINE POLLUTION BULLETIN 2024; 199:116019. [PMID: 38184859 DOI: 10.1016/j.marpolbul.2023.116019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/17/2023] [Accepted: 12/28/2023] [Indexed: 01/09/2024]
Abstract
In the precent study, the microplastics (MPs) pollution level was evaluated in diverse environmental samples from the Yellow River Delta. The results indicated that the abundance of MPs in water, sediment and soil samples ranged from 0.50 to 7.83 items·L-1, 200 to 4200 items·kg-1, and 100 to 1400 items·kg-1, respectively. Film form of MPs was dominant in water, while fiber MPs were dominant in both sediment and soil samples. In all samples, most MPs were < 1 mm in size. White was the main color in water, black was the main color in sediment and soil samples. The most common MPs type was polyethylene (33 %) in water, while rayon accounted for the majority of MPs in sediment (42 %) and soil (70 %) samples. The redundancy analysis results showed that MPs in water and sediment were more affected by water quality, while soil MPs were easily affected by landscape pattern.
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Affiliation(s)
- Ruibo Ding
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan 030051, China; Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China
| | - Qiaoling Li
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan 030051, China
| | - Kang Wang
- Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China
| | - Jiayu Tian
- Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China
| | - Luli Lu
- Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China
| | - Wenxing Li
- Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China
| | - Li Xu
- Institute of Quality Standards and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
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25
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Li K, Xiu X, Hao W. Microplastics in soils: Production, behavior process, impact on soil organisms, and related toxicity mechanisms. CHEMOSPHERE 2024; 350:141060. [PMID: 38159733 DOI: 10.1016/j.chemosphere.2023.141060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
In recent years, microplastics (MPs) pollution has become a hot ecological issue of global concern and MP pollution in soil is becoming increasingly serious. Studies have shown that MPs have adverse effects on soil biology and ecological functions. Although MPs are evident in soils, identifying their source, abundance, and types is difficult because of the complexity and variability of soil components. In addition, the effects of MPs on soil physicochemical properties (PCP), including direct effects such as direct interaction with soil particles and indirect effects such as the impact on soil organisms, have not been reported in a differentiated manner. Furthermore, at present, the soil ecological effects of MPs are mostly based on biological toxicity reports of their exudate or size effects, whereas the impact of their surface-specific properties (such as environmentally persistent free radicals, surface functional groups, charge, and curvature) on soil ecological functions is not fully understood. Considering this, this paper reviews the latest research findings on the production and behavioral processes of MPs in soil, the effects on soil PCP, the impacts on different soil organisms, and the related toxic mechanisms. The above discussion will enhance further understanding of the behavioral characteristics and risks of MPs in soil ecosystems and provide some theoretical basis for further clarification of the molecular mechanisms of the effects of MPs on soil organisms.
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Affiliation(s)
- Kun Li
- School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, China.
| | - Xiaojia Xiu
- Changwang School of Honors, Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Wanqi Hao
- School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, China
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26
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Zhao W, Li J, Liu M, Wang R, Zhang B, Meng XZ, Zhang S. Seasonal variations of microplastics in surface water and sediment in an inland river drinking water source in southern China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168241. [PMID: 37914114 DOI: 10.1016/j.scitotenv.2023.168241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 10/28/2023] [Accepted: 10/29/2023] [Indexed: 11/03/2023]
Abstract
The aim of this study was to examine microplastic (size distribution of 0.05-5 mm) occurrence and distribution in drinking water source of XJ River during both flooding and dry periods. Surface water and sediment samples were collected from the CS City section of the river in August and December 2020. During the flooding period, microplastic abundances were observed at 0.72-18.6 (7.32 ± 2.36) items L-1 in surface water and 26.3-302 (150 ± 75.6) items kg-1 dry weight (dw) in sediment. In the dry period, abundances were slightly higher at 2.88-17.7 (11.0 ± 3.08) items L-1 and 27.0-651 (249 ± 182) items kg-1 dw, respectively. Microplastics were found in higher concentrations in urban areas and downstream of wastewater treatment plants, suggesting anthropogenic sources. The diversity in shapes, colors, and types of microplastics in surface waters and sediments indicates specialized enrichment processes and persistent sources of microplastic pollution. Approximately 60 % of the microplastic particles identified fall within the 50-100 μm range. Furthermore, a significant correlation was observed between these smaller-sized particles and the overall prevalence of microplastics. Fourier-transform infrared spectroscopy and scanning electron microscopy indicated that the microplastics had been subjected to weathering in the environment, contributing to the production of oxygen-containing functional groups and surface cleavage features. The utilization of energy dispersive spectroscopy revealed the presence of microplastics associated with various heavy metals, highlighting the intricate nature of microplastic pollution. Moreover, the high abundance of microplastics may pose a potential ecological risk to the aquatic environment of the XJ River. The results of this study demonstrate concerning levels of microplastics in the XJ River, despite its status as a high-quality water source.
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Affiliation(s)
- Wenyu Zhao
- School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha 410114,China; Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha 410004, China
| | - Jing Li
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Mengyue Liu
- School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha 410114,China
| | - Rui Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Boxuan Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Xiang-Zhou Meng
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Shengwei Zhang
- School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha 410114,China; State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China.
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27
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Owusu SM, Adomako MO, Qiao H. Organic amendment in climate change mitigation: Challenges in an era of micro- and nanoplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:168035. [PMID: 37907110 DOI: 10.1016/j.scitotenv.2023.168035] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 11/02/2023]
Abstract
As a global strategy for mitigating climate change, organic amendments play critical roles in restoring stocks in carbon (C) depleted soils, preserving existing stocks to prevent further soil organic carbon (SOC) loss, and enhancing C sequestration. However, recent emerging evidence of a significant proportion of micro- and nanoplastics (M/NPs) occurrence in most organic substrates (e.g., compost manure, farmyard manure, and sewage sludge) compromises its role in climate change mitigation. Given the predicted surge of soil M/NPs proliferation in the coming years, we argued whether organic amendment remains a reliable climate change mitigation strategy. Toxicity effects of M/NPs influx within the soil matrix disrupt plants and their associated key microbial taxa responsible for crucial biogeochemical processes and restructuring of SOC, leading to increasing emissions of potent greenhouse gases (GHGs, e.g., CO2, CH4, and N2O) that feedback to aggravate the rapidly changing climate. Here, we summarize evidence based on literature that the discovery of M/NPs in organic substrates compromises its role in the climate change mitigation strategy. We briefly discuss the overview of synthetic fertilizers and their impact on SOC and atmospheric emissions. We discuss the role of organic amends in climate change mitigation and the emergence of M/NPs in it. We discuss M/NPs-induced damages to SOC and subsequent emissions of GHGs. We briefly highlight management approaches to clean organic substrates of M/NPs to improve their use in agrosystems and provide recommendations for future research studies. We found that organic amendment plays pivotal role in modulating the biotic and abiotic drivers responsible for climate mitigation. However, M/NPs in organic amendments weaken the regulatory mechanisms of organic amendments in plant-soil systems. We conclude that organic amendments of soils are critical for restoring SOC and mitigating the rapidly changing climate; yet, the discovery of M/NPs in organic substrates put their usage in a dilemma.
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Affiliation(s)
- Samuel Mensah Owusu
- Schoo of Business, Jinggangshan University, Qingyuan District, Ji'an City 343009, Jiangxi, China.
| | - Michael Opoku Adomako
- Institute of Wetland Ecology & Clone Ecology/Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, Zhejiang, China
| | - Hu Qiao
- Schoo of Business, Jinggangshan University, Qingyuan District, Ji'an City 343009, Jiangxi, China
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28
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Zeb A, Liu W, Ali N, Shi R, Wang Q, Wang J, Li J, Yin C, Liu J, Yu M, Liu J. Microplastic pollution in terrestrial ecosystems: Global implications and sustainable solutions. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132636. [PMID: 37778309 DOI: 10.1016/j.jhazmat.2023.132636] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/24/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Microplastic (MPs) pollution has become a global environmental concern with significant impacts on ecosystems and human health. Although MPs have been widely detected in aquatic environments, their presence in terrestrial ecosystems remains largely unexplored. This review examines the multifaceted issues of MPs pollution in terrestrial ecosystem, covering various aspects from additives in plastics to global legislation and sustainable solutions. The study explores the widespread distribution of MPs worldwide and their potential antagonistic interactions with co-occurring contaminants, emphasizing the need for a holistic understanding of their environmental implications. The influence of MPs on soil and plants is discussed, shedding light on the potential consequences for terrestrial ecosystems and agricultural productivity. The aging mechanisms of MPs, including photo and thermal aging, are elucidated, along with the factors influencing their aging process. Furthermore, the review provides an overview of global legislation addressing plastic waste, including bans on specific plastic items and levies on single-use plastics. Sustainable solutions for MPs pollution are proposed, encompassing upstream approaches such as bioplastics, improved waste management practices, and wastewater treatment technologies, as well as downstream methods like physical and biological removal of MPs. The importance of international collaboration, comprehensive legislation, and global agreements is underscored as crucial in tackling this pervasive environmental challenge. This review may serve as a valuable resource for researchers, policymakers, and stakeholders, providing a comprehensive assessment of the environmental impact and potential risks associated with MPs.
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Affiliation(s)
- Aurang Zeb
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Weitao Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China.
| | - Nouman Ali
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Ruiying Shi
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Qi Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jianling Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jiantao Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Chuan Yin
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jinzheng Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Miao Yu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jianv Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
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29
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Haga Y, Manabe S, Tsujino H, Asahara H, Higashisaka K, Tsutsumi Y. [Mechanisms of Cell Toxicity Caused by Degraded Microplastics]. YAKUGAKU ZASSHI 2024; 144:177-181. [PMID: 38296495 DOI: 10.1248/yakushi.23-00152-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Microplastics (MPs), defined as plastic particles less than 5 mm in size, are ubiquitous in the environment. The accumulation of MPs in various environmental compartments, such as the ocean, soil, and air, has raised considerable concerns regarding their impact on ecological systems, including marine life and human health. Notably, MPs have been detected in marine organisms such as shellfish and fish, and have even been found in the human body, including in the blood and placenta. Moreover, considering that MPs have been detected in drinking water, human exposure to these particles in daily life is inevitable. To assess the risk posed by MPs to human health, it is essential to consider their physiological and chemical properties, including size, shape, surface modification, and material composition. However, current risk analyses focus primarily on spherical MPs with smooth surfaces, which differ substantially from most of the MPs detected in the environment. Environmental factors, such as ocean waves and ultraviolet radiation, alter the properties of MPs, including size, shape, and surface characteristics. In this review, we summarize current research on MPs, with a particular emphasis on the effects of MP degradation on human health. Furthermore, we generated MPs with surface degradation and evaluated their impact on cell toxicity, along with the underlying biological mechanisms.
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Affiliation(s)
- Yuya Haga
- Graduate School of Pharmaceutical Sciences, Osaka University
| | - Sota Manabe
- School of Pharmaceutical Sciences, Osaka University
| | - Hirofumi Tsujino
- Graduate School of Pharmaceutical Sciences, Osaka University
- The Museum of Osaka University
| | - Haruyasu Asahara
- Graduate School of Pharmaceutical Sciences, Osaka University
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University
| | - Kazuma Higashisaka
- Graduate School of Pharmaceutical Sciences, Osaka University
- Institute for Advanced Co-Creation Studies, Osaka University
| | - Yasuo Tsutsumi
- Graduate School of Pharmaceutical Sciences, Osaka University
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University
- Global Center for Medical Engineering and Informatics, Osaka University
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30
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Rede D, Teixeira I, Delerue-Matos C, Fernandes VC. Assessing emerging and priority micropollutants in sewage sludge: environmental insights and analytical approaches. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3152-3168. [PMID: 38085484 DOI: 10.1007/s11356-023-30963-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/05/2023] [Indexed: 01/18/2024]
Abstract
The application of sewage sludge (SS) in agriculture, as an alternative to manufactured fertilizers, is current practice worldwide. However, as wastewater is collected from households, industries, and hospitals, the resulting sludge could contaminate land with creeping levels of pharmaceuticals, pesticides, heavy metals, polycyclic aromatic hydrocarbons, and microplastics, among others. Thus, the sustainable management of SS requires the development of selective methods for the identification and quantification of pollutants, preventing ecological and/or health risks. This study presents a thorough evaluation of emerging and priority micropollutants in SS, through the lens of environmental insights, by developing and implementing an integrated analytical approach. A quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction method, coupled with gas chromatography and liquid chromatography, was optimized for the determination of 42 organic compounds. These include organophosphorus pesticides, organochlorine pesticides, pyrethroid pesticides, organophosphate ester flame retardants, polybrominated diphenyl ethers, polychlorinated biphenyls, and polycyclic aromatic hydrocarbons. The optimization of the dispersive-solid phase for clean-up, combined with the optimization of chromatographic parameters, ensured improved sensitivity. Method validation included assessments for recovery, reproducibility, limit of detection (LOD), and limit of quantification (LOQ). Recoveries ranged from 59.5 to 117%, while LODs ranged from 0.00700 to 0.271 µg g-1. Application of the method to seven SS samples from Portuguese wastewater treatment plants revealed the presence of sixteen compounds, including persistent organic pollutants. The quantification of α-endosulfan, an organochlorine pesticide, was consistently observed in all samples, with concentrations ranging from 0.110 to 0.571 µg g-1. Furthermore, the study encompasses the analysis of agronomic parameters, as well as the mineral and metal content in SS samples. The study demonstrates that the levels of heavy metals comply with legal limits. By conducting a comprehensive investigation into the presence of micropollutants in SS, this study contributes to a deeper understanding of the environmental and sustainable implications associated with SS management.
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Affiliation(s)
- Diana Rede
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre S/N, 4169-007, Porto, Portugal
| | - Ivan Teixeira
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal
| | - Virgínia Cruz Fernandes
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal.
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31
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L E, Wilfred N, S K, Halder G, Haldar D, Patel AK, Singhania RR, Pandey A. Biodegradation of microplastics: Advancement in the strategic approaches towards prevention of its accumulation and harmful effects. CHEMOSPHERE 2024; 346:140661. [PMID: 37951399 DOI: 10.1016/j.chemosphere.2023.140661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
Microplastics (MPs) are plastic particles in a size ranging from 1 mm to 5 mm in diameter, and are formed by the breakdown of plastics from different sources. They are emerging environmental pollutants, and pose a great threat to living organisms. Improper disposal, inadequate recycling, and excessive use of plastic led to the accumulation of MP in the environment. The degradation of MP can be done either biotically or abiotically. In view of that, this article discusses the molecular mechanisms that involve bacteria, fungi, and enzymes to degrade the MP polymers as the primary objective. As per as abiotic degradation is concerned, two different modes of MP degradation were discussed in order to justify the effectiveness of biotic degradation. Finally, this review is concluded with the challenges and future perspectives of MP biodegradation based on the existing research gaps. The main objective of this article is to provide the readers with clear insight, and ideas about the recent advancements in MP biodegradation.
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Affiliation(s)
- Emisha L
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Nishitha Wilfred
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Kavitha S
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Dibyajyoti Haldar
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India.
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow, 226029, India
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
| | - Ashok Pandey
- Centre for Energy and Environmental Sustainability, Lucknow, 226029, India; Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India; Kyung Hee University, Kyung Hee Dae Ro 26, Seoul, 02447, Republic of Korea; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248 007, Uttarakhand, India
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32
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Kibria G. Impacts of microplastic on fisheries and seafood security - Global analysis and synthesis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166652. [PMID: 37652377 DOI: 10.1016/j.scitotenv.2023.166652] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/22/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023]
Abstract
This review paper collected, collated, analysed, interpreted, synthesised, and documented the research investigations conducted on microplastic (MPs) pollution impacts on seafood organisms (including fish, sharks, shrimps, lobsters, crabs, oysters, mussels, and seaweeds) during the last ten years (2012-2022) covering fifty-seven locations/countries in the world. MPs contaminated 926 seafood species comprising 895 finfish, 09 crustaceans, 20 molluscs and 02 seaweeds. Seafood from Asia was found to be most contaminated with MPs. High MP contamination/ingestion was revealed in several seafood organisms. The ingestion of MPs can reduce fish growth and fish fitness, leading to reduced yield/fish production. Fish and seafood play a significant role in supporting the economy, employment, food sources, and livelihoods of people across the globe, which can be threatened due to the contamination of seafood organisms with MPs. MPs have bioaccumulated in fish skin, gills, stomachs, liver, intestine, and muscles as well as dry fish and canned fish. Hence, the consumption of MP-contaminated fresh fish, whole fish, dried fish or canned fish poses risks as it may be a pathway of MP transfer to humans. MPs can increase the health risks to seafood fish consumers since there is a probability that high risks pollutants adsorbed on MPs (heavy metals, pesticides, and oil compounds) can transfer to humans via the food chain. Several of the chemicals (heavy metals, DDT, PAHs) adsorbed onto MPs are carcinogenic. MPs have also been detected in fish meals, therefore, farmed livestock such as aquaculture fish and chicken fed to fish meals can be exposed to MPs and ultimately to humans. Preventive and safety measures are suggested to reduce the exposure of MPs to humans. In addition, several policy strategies are recommended to reduce the impacts of plastic waste and plastic pollution on the environment, aquatic biota, wildlife, seafood and human health.
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Affiliation(s)
- Golam Kibria
- School of Science, RMIT University, Melbourne, Australia; Global Artificial Mussels Pollution Watch Program, Australia.
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Wang D, Jiang SY, Fan C, Fu L, Ruan HD. Occurrence and correlation of microplastics and dibutyl phthalate in rivers from Pearl River Delta, China. MARINE POLLUTION BULLETIN 2023; 197:115759. [PMID: 37988965 DOI: 10.1016/j.marpolbul.2023.115759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/16/2023] [Accepted: 11/04/2023] [Indexed: 11/23/2023]
Abstract
Microplastics have been identified as the novel contaminants in various environments. Phthalates would be released from plasticized microplastics into a riverine environment while transporting to a marine region, but data on their relationship in rivers have been scarce. In this study, the occurrence, distribution and correlation of microplastics and dibutyl phthalate (DBP) in two rivers from the Pearl River Estuary were investigated. The elevated level of DBP in the Qianshan River (2.70 ± 0.20 μg/L) was in alignment with the presence of highest microplastic concentration at the same sampling site (15.8 ± 9.8 items/L). A positive correlation was observed between microplastics and DBP in all sampling sites (p < 0.05). The results showed that UV irradiation from sunlight was a majorly inducing factor of DBP leaching from polyethylene microplastics. The concentrations of chemical additives in some degrees reflect the microplastic pollution, but environmental factors and multidimensionality of microplastics such as residence times and types may cause spatial differences of chemical additives in aquatic systems.
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Affiliation(s)
- Duojia Wang
- Environmental Science Program, Department of Life Science, Faculty of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, Guangdong Province 519087, PR China
| | - Sabrina Yanan Jiang
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, Taipa 999078, Macao.
| | - Changchang Fan
- Environmental Science Program, Department of Life Science, Faculty of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, Guangdong Province 519087, PR China
| | - Longshan Fu
- Environmental Science Program, Department of Life Science, Faculty of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, Guangdong Province 519087, PR China; National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, Taipa 999078, Macao
| | - Huada Daniel Ruan
- Environmental Science Program, Department of Life Science, Faculty of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, Guangdong Province 519087, PR China.
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Zhu B, Chen Y, Jiang L, Liu C, Zhu H, Qiu D, Wang S. Quantification and characterization of microplastics in farmland soils of Jiangsu Province, East China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:120653-120662. [PMID: 37943431 DOI: 10.1007/s11356-023-30654-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/20/2023] [Indexed: 11/10/2023]
Abstract
The soil ecosystem plays a significant role in the dynamics of microplastics. Qualitative and quantitative analyses of microplastics in six farmland plots from the cities of Nanjing, Suzhou, and Xuzhou were conducted by using laser infrared imaging system (LDIR). The results showed that the abundance of microplastics in farmland soils in Jiangsu Province ranged from 667-9333 items/kg, and the difference between the abundance of microplastics in soils from open-field cultivation and greenhouse farming was not significant. The vertical distribution characteristics showed that the abundance of microplastic decreased significantly with the increase of soil depth. However, there was no significant difference in particle size between top soil (0-5 cm) and deep soil (10-20 cm). Fragments were the most common microplastic form in soil samples (94.6%), with polyvinyl chloride (PVC) being the main polymer type, followed by polyethylene terephthalate (PET). Compared with previous studies conducted in China, the abundance of microplastics in farmland soils in Jiangsu Province was at moderate level but was notably higher than other places within the Yangtze River Delta region. The conclusions drawn from this paper provided important reference data for future assessment of microplastic pollution in agricultural fields. Furthermore, they establish a fundamental groundwork for understanding the migration patterns of MPs in soil environments.
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Affiliation(s)
- Bingqing Zhu
- Jiangsu Provincial Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing, 210036, China.
| | - Ying Chen
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Linhui Jiang
- Jiangsu Provincial Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing, 210036, China
| | - Cuicui Liu
- Jiangsu Provincial Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing, 210036, China
| | - Haimei Zhu
- Pizhou Station of Farmland Quality Protection, Xuzhou, 221300, China
| | - Dan Qiu
- Jiangsu Provincial Station of Farmland Quality and Agricultural Environmental Protection, Nanjing, 210036, China
| | - Shui Wang
- Jiangsu Provincial Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing, 210036, China
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Yang X, Zhang Z, Guo X. Impact of soil structure and texture on occurrence of microplastics in agricultural soils of karst areas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:166189. [PMID: 37567305 DOI: 10.1016/j.scitotenv.2023.166189] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
The impact of microplastics (MPs) on soil ecosystems has attracted widespread attention; however, the effects of soil structure and texture on the occurrence of MPs are not fully understood. In this study, we investigated the effects of soil structure and texture on the abundance of MPs and their potential mechanisms in agricultural soils of karst areas in Guizhou, China. The results showed the average abundance of MPs was 2948 items/kg. The soil texture in the study area can be categorized into seven types such as powdered-light clay, the range of total soil porosity was 39.05-69.22 % and the range of soil bulk density was 0.66-1.51 g/cm3. Soils with a powdered-light clay, low soil porosity, and low soil bulk density showed higher MPs pollution. The percentage of pellet MPs in agricultural soils with a powdered-light clay was 84 %, which was higher than that of the other soil textures. The direct effects of soil texture, soil porosity, and soil bulk density on MPs abundance were much lower than the indirect effects, with soil texture having the highest effect on MPs abundance. We speculated that karst geology may affect the accumulation and distribution of MPs in soil by affecting soil texture and structure, which, in turn, affects the fragmentation and migration of MPs. These findings will help to better understand the mechanisms of soil MPs pollution and provide a scientific basis for the development of relevant control strategies.
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Affiliation(s)
- Xiuyuan Yang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Zhenming Zhang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China; Key Laboratory of Kast Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
| | - Xuetao Guo
- College of Natural Resources and Environment, Northwest A & F University, Yangling 712100, China.
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36
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Kurniawan TA, Haider A, Mohyuddin A, Fatima R, Salman M, Shaheen A, Ahmad HM, Al-Hazmi HE, Othman MHD, Aziz F, Anouzla A, Ali I. Tackling microplastics pollution in global environment through integration of applied technology, policy instruments, and legislation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 346:118971. [PMID: 37729832 DOI: 10.1016/j.jenvman.2023.118971] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/19/2023] [Accepted: 09/09/2023] [Indexed: 09/22/2023]
Abstract
Microplastic pollution is a serious environmental problem that affects both aquatic and terrestrial ecosystems. Small particles with size of less than 5 mm, known as microplastics (MPs), persist in the environment and pose serious threats to various species from micro-organisms to humans. However, terrestrial environment has received less attention than the aquatic environment, despite being a major source of MPs that eventually reaches water body. To reflect its novelty, this work aims at providing a comprehensive overview of the current state of MPs pollution in the global environment and various solutions to address MP pollution by integrating applied technology, policy instruments, and legislation. This review critically evaluates and compares the existing technologies for MPs detection, removal, and degradation, and a variety of policy instruments and legislation that can support the prevention and management of MPs pollution scientifically. Furthermore, this review identifies the gaps and challenges in addressing the complex and diverse nature of MPs and calls for joint actions and collaboration from stakeholders to contain MPs. As water pollution by MPs is complex, managing it effectively requires their responses through the utilization of technology, policy instruments, and legislation. It is evident from a literature survey of 228 published articles (1961-2023) that existing water technologies are promising to remove MPs pollution. Membrane bioreactors and ultrafiltration achieved 90% of MPs removal, while magnetic separation was effective at extracting 88% of target MPs from wastewater. In biological process, one kg of wax worms could consume about 80 g of plastic/day. This means that 100 kg of wax worms can eat about 8 kg of plastic daily, or about 2.9 tons of plastic annually. Overall, the integration of technology, policy instrument, and legislation is crucial to deal with the MPs issues.
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Affiliation(s)
| | - Ahtisham Haider
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Ayesha Mohyuddin
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan.
| | - Rida Fatima
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Muhammad Salman
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Anila Shaheen
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Hafiz Muhammad Ahmad
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan; Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, PR China
| | - Hussein E Al-Hazmi
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdańsk, Poland
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Malaysia
| | - Faissal Aziz
- Laboratory of Water, Biodiversity & Climate Changes, Faculty of Science Semlalia, Cadi Ayyad University, BP 2390, 40000, Marrakech, Morocco
| | - Abdelkader Anouzla
- Department of Process Engineering and Environment, Faculty of Science and Technology, University Hassan II of Casablanca, Mohammedia, Morocco
| | - Imran Ali
- Department of Chemistry, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi 110025, India
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Yi S, Zuo W, Xu L, Wang Y, Gu C, Shan Y, Bai Y. Accumulation and migration of microplastics and its influencing factors in coastal saline-alkali soils amended with sewage sludge. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115597. [PMID: 37866037 DOI: 10.1016/j.ecoenv.2023.115597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 09/17/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023]
Abstract
Coastal saline-alkali soil can be transformed to agricultural soil with sewage sludge amendment. However, sewage sludge contains a large number of microplastics (MPs), and the fate of MPs in sludge-treated saline-alkali soil needs to be studied. Therefore, we investigated the accumulation and migration of MPs, and their influencing factors in saline-alkali soil after one-time sewage sludge application (0, 25, 50, 100 and 200 t ha-1 SSA). The results indicated that sewage sludge input contributed to MP accumulation in soil, and the MP abundance in 20-40 cm soil was significantly lower than that in 0-20 cm soil. Fragments and fibers were the most abundant MPs in soil, and the proportions of fragments and 50-200 µm MPs in 20-40 cm soil were lower than those in 0-20 cm soil, while the < 50 µm MP proportion was higher than that in 0-20 cm soil. Correlation analysis showed that MP accumulation rate (0-40 cm) and migration rate (20-40 cm) were negatively correlated with soil organic matter (SOM) content and SSA, but positively correlated with soil pH. Stepwise regression analysis further showed that SOM and SSA were the main factors affecting MP accumulation rate, which explained 47.7% and 46% of its variation, respectively, while pH was the crucial factor affecting the migration rate of MPs, followed by EC and SSA. In conclusion, SSA caused MP accumulation in saline-alkali soil, and SSA primarily affected the MP abundance, while soil OM, pH and EC directly affected MP migration in soil.
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Affiliation(s)
- Siqiang Yi
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
| | - Wengang Zuo
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
| | - Lu Xu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
| | - Yimin Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
| | - Chuanhui Gu
- Environmental Research Center, Duke Kunshan University, Kunshan 215316, PR China
| | - Yuhua Shan
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China; Key Laboratory of Arable Land Quality Monitoring and Evaluation, Key Laboratory of Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, PR China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095, PR China
| | - Yanchao Bai
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China; Key Laboratory of Arable Land Quality Monitoring and Evaluation, Key Laboratory of Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, PR China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095, PR China.
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Goyal T, Singh S, Das Gupta G, Verma SK. Microplastics in environment: a comprehension on sources, analytical detection, health concerns, and remediation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:114707-114721. [PMID: 37897575 DOI: 10.1007/s11356-023-30526-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 10/12/2023] [Indexed: 10/30/2023]
Abstract
Contamination of ecosystems by microplastics (MPs) has been reported intensively worldwide in the recent decade. A trend of reports indicated their presence in the atmosphere; food items and soil ecosystems are rising continuously. Literature evidenced that MPs are abundant in seawater, beach sand, drinking water, agricultural soils, wastewater treatment plant (WWTP) effluent, and the atmosphere. The greater abundance of MPs in the environment has led to their invasion of seafood, human-consumed food items such as table salts, beverages, takeout food containers, and disposable cups, marine biological lives, and creating serious health hazards in humans. Moreover, the absence of guidelines and specifications for controlling MPs in the environment makes the situation alarming, and the human toxicity data of MPs is scarce. Thereby, the toxicity assessment of MPs in humans is of greater concern. This review compiles the updated information on the potential sources of MPs in different components of the environment (viz. soil, water, and air), their analysis methods, effects on human health, and remediation methods.
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Affiliation(s)
- Tanish Goyal
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, 142 001, Punjab, India
| | - Sukhwinder Singh
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, 142 001, Punjab, India
| | - Ghanshyam Das Gupta
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, 142 001, Punjab, India
| | - Sant Kumar Verma
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga, 142 001, Punjab, India.
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39
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Azeem I, Shakoor N, Chaudhary S, Adeel M, Zain M, Ahmad MA, Li Y, Zhu G, Shah SAA, Khan K, Khan AA, Xu M, Rui Y. Analytical challenges in detecting microplastics and nanoplastics in soil-plant systems. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 204:108132. [PMID: 37918078 DOI: 10.1016/j.plaphy.2023.108132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/20/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Abstract
Microplastics (MPx) and nanoplastics (NPx) are increasingly accumulating in terrestrial ecosystems, heightening concerns about their potential adverse effects on human health via the food chain. Techniques aimed at recovering the most challenging colloidal fractions of MPx and NPx, especially for analytical purposes, are limited. This systematic review emphasises the absence of a universal, efficient, and cost-effective analytical method as the primary hindrance to studying MPx and NPx in soil and plant samples. The study reveals that several methods, including density separation, organic matter removal, and filtration, are utilized to detect MPx or NPx in soil through vibrational spectroscopy and visual identification. Instruments such as Pyrolysis Gas Chromatography Mass Spectrometry (Py-GCMS), Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR) Spectroscopy, and fluorescence microscopy are employed to identify MPx and NPx in plant tissue. In extraction procedures, organic solvents and sonication are used to isolate NPx from plant tissues, while Pyrolysis GC-MS quantifies the plastics. SEM and TEM serve to observe and characterize NPx within plant tissues. Additionally, FTIR and fluorescence microscopy are utilized to identify polymers of MPx and NPx based on their spectral characteristics and fluorescence signals. The findings from this review clarify the identification and quantification methods for MPx and NPx in soil and plant systems and provide a comprehensive methodology for assessing MPx/NPx in the environment.
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Affiliation(s)
- Imran Azeem
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation and College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
| | - Noman Shakoor
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation and College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
| | - Sadaf Chaudhary
- Department of Botany, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Adeel
- BNU-HKUST Laboratory of Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, 18 Jinfeng Road, Tangjiawan, Zhuhai, Guangdong, PR China.
| | - Muhammad Zain
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Key Laboratory of Crop Cultivation and Physiology of Jiangsu Province, College of Agriculture, Yangzhou University, Yangzhou, 225009, PR China
| | - Muhammad Arslan Ahmad
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, 518060, PR China
| | - Yuanbo Li
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation and College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
| | - Guikai Zhu
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation and College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
| | - Syed Aizaz Ali Shah
- College of Horticulture, China Agricultural University, Beijing, 100193, PR China
| | - Kashif Khan
- College of Harbin, Northeast Forestry University, Harbin, PR China
| | - Adnan Anwar Khan
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, PR China
| | - Ming Xu
- Department of Botany, University of Agriculture Faisalabad, Pakistan
| | - Yukui Rui
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation and College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China.
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Tran TKA, Raju S, Singh A, Senathirajah K, Bhagwat-Russell G, Daggubati L, Kandaiah R, Palanisami T. Occurrence and distribution of microplastics in long-term biosolid-applied rehabilitation land: An overlooked pathway for microplastic entry into terrestrial ecosystems in Australia. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122464. [PMID: 37634566 DOI: 10.1016/j.envpol.2023.122464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 08/29/2023]
Abstract
Wastewater treatment plants (WWTPs) efficiently eliminate over 98% of microplastics (MPs) from wastewater discharge, subsequently accumulating them in sludge. This sludge is frequently employed as fertilizer in agricultural practices or land rehabilitation. While there is significant research on biosolid application in agriculture, the discussion regarding its application in rehabilitating industrial zones and MPs contamination is limited. The current study investigates the abundance, distribution, and composition of MPs in rehabilitation land with long-term biosolid-application in Australia. Three minesite fields (designated 1-3), each with distinct biosolid application histories since 2011, 2012, and 2017, and a control field without any biosolid application history, were chosen for this study. The abundances of MPs in biosolid-applied fields 1-3 (6.04 ± 1.92 x 102 MP kg-1; 4.94 ± 0.73 x 102 MP kg-1; 2.48 ± 0.70 x 102 MP kg-1) were considerably higher compared to non-biosolid-applied field (0.70 ± 0.63 x 102 MP kg -1). This indicates that the application of biosolids significantly contributes to the presence of MPs in the soil. Moreover, the results suggest that with each successive application, the abundance of MPs increases. The abundance and size of MPs in both biosolid and non-biosolid soils decreased as the soil depth increased. Microbeads were dominant in soils where biosolids were applied (up to 61.9%), while fibres were dominant in non-biosolid soils (accounting for 85.7%). The distribution of plastic polymer types varied among fields and soil depths. Most MPs were microbeads of polyamide (PA), fragments of polyethylene (PE), foam of polystyrene (PS), and fibres of rayon. This research presents evidence that the extended utilization of biosolids results in elevated MP pollution in minesite rehabilitation land, highlighting a frequently overlooked origin of MP contamination in terrestrial settings. Additional evaluations needed to understand ecological risks of MPs in soil ecosystems affected by biosolid application.
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Affiliation(s)
- Thi Kim Anh Tran
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Subash Raju
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Arjun Singh
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia; ICAR Central Soil Salinity Research Institute RRS Lucknow, India
| | - Kala Senathirajah
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Geetika Bhagwat-Russell
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Lakshmi Daggubati
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Raji Kandaiah
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Thava Palanisami
- Global Innovative Centre for Advanced Nanomaterials, The University of Newcastle, Callaghan, NSW, 2308, Australia.
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Wang Z, Sanusi IA, Wang J, Ye X, Kana EBG, Olaniran AO, Shao H. Developments and Prospects of Farmland Application of Biogas Slurry in China-A Review. Microorganisms 2023; 11:2675. [PMID: 38004687 PMCID: PMC10673569 DOI: 10.3390/microorganisms11112675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
Biogas slurry (BS) is an attractive agricultural waste resource which can be used to regulate soil microbial communities, enhance nutrient absorption capacity of crops, promote plant-soil interactions, and consequently, increase crop productivity. Presently, BS discharge is not environmentally friendly. It is therefore necessary to explore alternative efficient utilization of BS. The use of BS as fertilizer meets the requirements for sustainable and eco-friendly development in agriculture, but this has not been fully actualized. Hence, this paper reviewed the advantages of using BS in farmland as soil fertilization for the improvement of crop production and quality. This review also highlighted the potential of BS for the prevention and control of soil acidification, salinization, as well as improve microbial structure and soil enzyme activity. Moreover, this review reports on the current techniques, application methods, relevant engineering measures, environmental benefits, challenges, and prospects associated with BS utilization. Lastly, additional research efforts require for optimal utilization of BS in farmlands were elucidated.
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Affiliation(s)
- Zichen Wang
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (Z.W.); (H.S.)
- Discipline of Microbiology, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg 4000, South Africa; (I.A.S.); (A.O.O.)
- Key Laboratory of Crop and Livestock Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China;
- Key Laboratory of Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Liuhe Observation and Experimental Station of National Agricultural Environment, Nanjing 210014, China
| | - Isaac A. Sanusi
- Discipline of Microbiology, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg 4000, South Africa; (I.A.S.); (A.O.O.)
| | - Jidong Wang
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (Z.W.); (H.S.)
- Key Laboratory of Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Liuhe Observation and Experimental Station of National Agricultural Environment, Nanjing 210014, China
| | - Xiaomei Ye
- Key Laboratory of Crop and Livestock Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China;
| | - Evariste B. Gueguim Kana
- Discipline of Microbiology, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg 4000, South Africa; (I.A.S.); (A.O.O.)
| | - Ademola O. Olaniran
- Discipline of Microbiology, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg 4000, South Africa; (I.A.S.); (A.O.O.)
| | - Hongbo Shao
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (Z.W.); (H.S.)
- Key Laboratory of Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Liuhe Observation and Experimental Station of National Agricultural Environment, Nanjing 210014, China
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Zhu J, Dong G, Feng F, Ye J, Liao CH, Wu CH, Chen SC. Microplastics in the soil environment: Focusing on the sources, its transformation and change in morphology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 896:165291. [PMID: 37406689 DOI: 10.1016/j.scitotenv.2023.165291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/30/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023]
Abstract
Microplastics (MPs) are small plastic pieces less than 5 mm in size. Previous studies have focused on the sources, transports, and fates of MPs in marine or sediment environments. However, limited attention has been given to the role of land as the primary source of MPs, and how plastic polymers are transformed into MPs through biological or abiotic effects during the transport process remains unclear. Here, we focus on the exploration of the main sources of MPs in the soil, highlighting that MP generation is not solely a byproduct of plastic production but can also result from the impact of biological and abiotic factors during the process of MPs transport. This review presents a new perspective on understanding the degradation of MPs in soil, considering soil as a distinct fluid and suggesting that the main transformation and change mediated by abiotic factors occur on the soil surface, while the main biodegradation occurs in the soil interior. This viewpoint is suggested because the role of some abiotic factors becomes less obvious in the soil interior, and MPs, whose surface is expected to colonize microorganisms, are gradually considered a carbon source independent of photosynthesis and net primary production. This review emphasizes the need to understand basic MPs information in soil for a rational evaluation of its environmental toxicity. Such understanding enables better control of MPs pollution in affected areas and prevents contamination in unaffected regions. Finally, knowledge gaps and future research directions necessary for advancements in this field are provided.
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Affiliation(s)
- Junyu Zhu
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, Fujian, People's Republic of China; School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China
| | - Guowen Dong
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, Fujian, People's Republic of China; School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China; Fujian Provincial Key Laboratory of Resources and Environmental Monitoring and Sustainable Management and Utilization, Sanming University, Sanming, Fujian, People's Republic of China
| | - Fu Feng
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, Fujian, People's Republic of China; School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China
| | - Jing Ye
- College of Environment and chemical Engineering, Nanchang Hangkong University, Nanchang, Jiangxi, People's Republic of China
| | - Ching-Hua Liao
- School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China; Fujian Provincial Key Laboratory of Resources and Environmental Monitoring and Sustainable Management and Utilization, Sanming University, Sanming, Fujian, People's Republic of China
| | - Chih-Hung Wu
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, Fujian, People's Republic of China; School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China; Fujian Provincial Key Laboratory of Resources and Environmental Monitoring and Sustainable Management and Utilization, Sanming University, Sanming, Fujian, People's Republic of China
| | - Sheng-Chung Chen
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, Fujian, People's Republic of China; School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian, People's Republic of China; Fujian Provincial Key Laboratory of Resources and Environmental Monitoring and Sustainable Management and Utilization, Sanming University, Sanming, Fujian, People's Republic of China.
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Jeong E, Kim YI, Lee JY, Raza M. Microplastic contamination in groundwater of rural area, eastern part of Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 895:165006. [PMID: 37385487 DOI: 10.1016/j.scitotenv.2023.165006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/16/2023] [Accepted: 06/17/2023] [Indexed: 07/01/2023]
Abstract
Microplastics (MPs) are emerging contaminants in agricultural regions owing to the widespread use of plastics in farming activities. Groundwater has a vital role in farming activities, and it can be contaminated by MPs, fragmented from plastic products used in agricultural activities. Following an appropriate sampling protocol, this study investigated the distribution of MPs in shallow to deep aquifers (well depths: 3-120 m) and cave water of an agricultural region in Korea. Our investigation found that MPs contamination can penetrate up to the deep bedrock aquifer. The abundance of MPs was lower during the wet season (0.014-0.554 particles/L) than during the dry season (0.042-1.026 particles/L), which may be attributed to the dilution effect of precipitation in the groundwater. The abundance of MPs increased as the MPs size decreased at all sampling points, and size ranges were 20.3-869.6 and 20.3-673.0 μm in the dry and wet seasons, respectively. Our findings showed lower MPs abundance compared to previous studies, and we inferred that it might be due to differences in groundwater sampling volume, low agricultural intensity, and the non-application of sludge fertilizers. Our findings suggest that repeated and long-term investigations are needed to identify better the factors that influence the results of MPs distribution in groundwater, including sampling methods and hydrogeological and hydrological conditions.
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Affiliation(s)
- Eunju Jeong
- Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea; Research on Microplastics in Groundwater (RMPG), Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Young-In Kim
- Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea; Research on Microplastics in Groundwater (RMPG), Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jin-Yong Lee
- Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea; Research on Microplastics in Groundwater (RMPG), Kangwon National University, Chuncheon 24341, Republic of Korea.
| | - Maimoona Raza
- Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea
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Nguyen MK, Lin C, Nguyen HL, Le VR, Kl P, Singh J, Chang SW, Um MJ, Nguyen DD. Emergence of microplastics in the aquatic ecosystem and their potential effects on health risks: The insights into Vietnam. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118499. [PMID: 37480638 DOI: 10.1016/j.jenvman.2023.118499] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/11/2023] [Accepted: 06/22/2023] [Indexed: 07/24/2023]
Abstract
The increase of microplastic contamination in Vietnam is a growing concern due to various domestic, agricultural, and industrial activities. The use of plastic mulch and sludge application in agricultural farmland, textile production, daily consumer items, cleaning agents, and health/personal care products contribute significantly to the increasing microplastic pollution in the aquatic ecosystem. The concentration of microplastics reported in surface water ranged from 0.35 to 519,000 items m-3, with fibers and fragments being the most prevalent shapes. Notably, the high concentration of microplastics was observed in lakes, canals, and megacities such as Ha Noi and Ho Chi Minh City, which poses potential health risks to the local community via drinking-water supply and food chains. As an emerging pollutant, MPs are the transport vectors for contaminants in environmental matrices that act as a carrier of hazardous pollutants, release toxic compounds, and evenly aggregate/accumulate in biota. Recent studies have reported the presence of microplastics in various marine organisms, including fish and shellfish, highlighting the risk of ingestion of these particles by humans and wildlife. Thus, it is imperative to monitor microplastic contamination in the ecosystem to provide helpful information for the government and local communities. Efforts should be taken to reduce microplastic pollution at the source to minimize potential effects on ecological and health safety. This review paper emphasizes the urgent need for further research on microplastic pollution in Vietnam and highlights potential solutions to mitigate this emerging environmental threat. KEYWORKS: single-use plastics; microplastics; ecosystems; plastic waste; health risk; ecological and health safety; pollution mitigation.
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Affiliation(s)
- Minh-Ky Nguyen
- Program in Maritime Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan; Faculty of Environment and Natural Resources, Nong Lam University, Ho Chi Minh City 700000, Viet Nam; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - Chitsan Lin
- Program in Maritime Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan.
| | - Hoang-Lam Nguyen
- Department of Civil Engineering, McGill University, Montreal, Canada
| | - Van-Re Le
- Ho Chi Minh City University of Food Industry (HUFI), Ho Chi Minh City, 700000, Viet Nam
| | - Priya Kl
- Department of Civil Engineering, TKM College of Engineering, Kollam 691005, India
| | - Jagpreet Singh
- Department of Chemistry, University Centre for Research & Development, Chandigarh University, Mohali, 140413, Punjab, India
| | - Soon W Chang
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon, Republic of Korea
| | - Myoung-Jin Um
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon, Republic of Korea
| | - D Duc Nguyen
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon, Republic of Korea; Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City 755414, Viet Nam.
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Hajji S, Ben-Haddad M, Rida Abelouah M, De-la-Torre GE, Ait Alla A. Sludge drying and dewatering processes influence the abundance and characteristics of microplastics in wastewater treatment plants. CHEMOSPHERE 2023; 339:139743. [PMID: 37567259 DOI: 10.1016/j.chemosphere.2023.139743] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/06/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023]
Abstract
Wastewater treatment plants (WWTPs) have been identified as high-load receptors of microplastics (MPs) from different sources. However, the influence of specific treatment stanges requires further research. The main objective of this research was to evaluate the abundance and chemical characteristics of MPs in the sludge of two major wastewater treatment plants in the Agadir metropolis (Central Atlantic of Morocco). The Aourir plant receives urban influents and the inputs of the M'zar facility were urban and industrial. Samples were collected from the sludge matrices after primary settling, clarifying, dewatering, and drying systems. In addition, the effect of seasonality on MP load was assessed. The results showed that a higher abundance was noticed in raw sludge than in dewatered one in Aourir WWTP, while in M'zar WWTP, a very low decrease is noticed in dried sludge compared to raw sludge. The concentration of MPs in the summer season was significantly higher compared to other seasons for Aourir WWTP, while the winter season was higher for M'zar WWTP. Moreover, the most abundant shapes were fibers and the fraction 100-500 μm was the most preponderant. Eleven polymers were identified by ATR-FTIR, being polyester, polyethylene, polypropylene, and polystyrene the most abundant ones. Scanning Electron Microscopy coupled with Energy Dispersive X-ray revealed the visible degradation and fragmentation of MPs from sewage sludge and their ability to adsorb inorganic elements. It was estimated that between 2.2 × 107 and 7.4 × 108 MPs were evacuated with the sludge per day. The obtained findings confirmed that WWTP sludge acts as a vector of MPs with a high level of hazard to various matrices, such as landfills, agricultural soils, and groundwater. Overall, consideration must be given to the regulatory system managing the fate of sewage sludge to mitigate the collateral effects and provide solutions.
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Affiliation(s)
- Sara Hajji
- Laboratory of Aquatic Systems: Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Agadir, Morocco.
| | - Mohamed Ben-Haddad
- Laboratory of Aquatic Systems: Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Agadir, Morocco.
| | - Mohamed Rida Abelouah
- Laboratory of Aquatic Systems: Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Agadir, Morocco.
| | | | - Aicha Ait Alla
- Laboratory of Aquatic Systems: Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Agadir, Morocco.
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Li Z, Xu B, Zhang R, Wang F, Li L, Wang K, Zhang R, Jing X, Liu Y, Chen P. Effects of land use on soil microplastic distribution adjacent to Danjiangkou reservoir, China. CHEMOSPHERE 2023; 338:139389. [PMID: 37394188 DOI: 10.1016/j.chemosphere.2023.139389] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/29/2023] [Accepted: 06/30/2023] [Indexed: 07/04/2023]
Abstract
As a new type of pollutant, microplastics (MPs) are an increasingly prominent threat to terrestrial ecosystems. However, the distribution, sources and influencing factors of MPs need to be further studied, especially in reservoir surrounding soil, a hot zone for MPs accumulation and a source of MPs in the watershed. Here, we detected MPs in 120 soil samples collected around Danjiangkou reservoir, with their amount ranging from 645 to 15,161 items/kg. The topsoil layer at 0-20 cm had lower levels of MPs (mean 3989 items/kg) than subsoils at 20-40 cm (mean 5620 items/kg). The most commonly detected types of MPs were polypropylene (26.4%) and polyamide (20.2%), with sizes ranging from 0.05 to 0.5 mm. With regard to shape, most MPs (67.7%) were fragmented, while fibers make up 25.3% of the MPs. Further analysis revealed that the number of villages had the highest driving force for the abundance of MPs with 51%, followed by pH 25% and land use types 10%. The water and sediment of reservoirs are important sources of agricultural soil microplastics. Paddy lands showed higher microplastics levels than orchards and dry croplands. The polymer risk index indicated that the agricultural soil near Danjiangkou reservoir had the highest MPs risk. This study highlights the importance of assessing MPs contamination in the agroecosystems surrounding reservoirs and provides valuable insight into clarify the ecological risks of MPs in the reservoir area.
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Affiliation(s)
- Zhiguo Li
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China; Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, The Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China
| | - Bo Xu
- College of Earth Sciences, Jilin University, Changchun, Jilin, 130061, China
| | - Runhua Zhang
- Wuhan Academy of Agricultural Science, Vegetable Research Institute, Wuhan, 430345, China
| | - Feng Wang
- Hubei Provincial Academy of Eco-Environmental Sciences (Provincial Eco-Environmental Engineering Assessment Center), Wuhan, 430070, China
| | - Linyang Li
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China
| | - Kaili Wang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China
| | - Runqin Zhang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China
| | - Xinxin Jing
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China; Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, The Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China
| | - Yi Liu
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China; Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, The Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China.
| | - Peng Chen
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan, Wuhan Botanical Garden, 430074, China; Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, The Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China.
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Palansooriya KN, Sang MK, El-Naggar A, Shi L, Chang SX, Sung J, Zhang W, Ok YS. Low-density polyethylene microplastics alter chemical properties and microbial communities in agricultural soil. Sci Rep 2023; 13:16276. [PMID: 37770500 PMCID: PMC10539289 DOI: 10.1038/s41598-023-42285-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 09/07/2023] [Indexed: 09/30/2023] Open
Abstract
Microplastic (MP) pollution in agricultural soils, resulting from the use of plastic mulch, compost, and sewage sludge, jeopardizes the soil microbial populations. However, the effects of MPs on soil chemical properties and microbial communities remain largely unknown. Here, we investigated the effects of different concentration levels (0, 0.1, 1, 3, 5, and 7%; w:w) of low-density polyethylene (LDPE) MPs on the chemical properties and bacterial communities of agricultural soil in an incubation study. The addition of LDPE MPs did not drastically change soil pH (ranging from 8.22 to 8.42). Electrical conductivity increased significantly when the LDPE MP concentrations were between 1 and 7%, whereas the total exchangeable cations (Na+, K+, Mg2+, and Ca2+) decreased significantly at higher LDPE MP concentrations (3-7%). The highest available phosphorus content (2.13 mg kg-1) was observed in 0.1% LDPE MP. Bacterial richness (Chao1 and Ace indices) was the lowest at 0.1% LDPE MP, and diversity indices (Shannon and Invsimpson) were higher at 0 and 1% LDPE MP than at other concentrations. The effect of LDPE MP concentrations on bacterial phyla remained unchanged, but the bacterial abundance varied. The relative abundance of Proteobacteria (25.8-33.0%) was the highest in all treatments. The abundance of Acidobacteria (15.8-17.2%) was also high, particularly in the 0, 0.1, and 1% LDPE MPs. With the increase in LDPE MP concentration, the abundance of Actinobacteria gradually increased from 7.80 to 31.8%. Our findings suggest that different MP concentration levels considerably alter soil chemical properties and microbial composition, which may potentially change the ecological functions of soil ecosystems.
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Affiliation(s)
- Kumuduni Niroshika Palansooriya
- Korea Biochar Research Center, APRU Sustainable Waste Management Program & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2E3, Canada
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Mee Kyung Sang
- Division of Agricultural Microbiology, Rural Development Administration, National Institute of Agricultural Science, Wanju, 55365, Republic of Korea
| | - Ali El-Naggar
- Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo, 11241, Egypt
| | - Liang Shi
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Scott X Chang
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2E3, Canada
| | - Jwakyung Sung
- Department of Crop Science, College of Agriculture, Life Science and Environmental Chemistry, Chungbuk National University, Cheongju, 28644, Chungcheongbuk-Do, Republic of Korea
| | - Wei Zhang
- Korea Biochar Research Center, APRU Sustainable Waste Management Program & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea.
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, China.
| | - Yong Sik Ok
- Korea Biochar Research Center, APRU Sustainable Waste Management Program & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea.
- Institute of Green Manufacturing Technology, College of Engineering, Korea University, Seoul, 02841, Republic of Korea.
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Yang X, Zhang X, Shu X, Gong J, Yang J, Li B, Lin J, Chai Y, Liu J. The effects of polyethylene microplastics on the growth, reproduction, metabolic enzymes, and metabolomics of earthworms Eisenia fetida. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115390. [PMID: 37619398 DOI: 10.1016/j.ecoenv.2023.115390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/11/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023]
Abstract
The existing data regarding the effects of polyethylene (PE) microplastics (MPs) smaller than 5 mm in size on earthworms are insufficient to fully comprehend their toxicity. In this study, earthworms Eisenia fetida were exposed to artificially added PE at a concentration ranging from 0.05 to 20 g/kg soil (0.005%-2%) for 60 days to determine the concentration range causing negative effects on earthworms and to uncover the potential toxic mechanisms. The individual growth, reproduction, and metabolic enzyme activities, including phase I enzymes (cytochrome P450 [CYP] 1A2, 2B6, 2C9, and 3A4), and phase II metabolic enzymes (superoxide dismutase (SOD), catalase (CAT), and glutathione sulfotransferase (GST)), and metabolomics were measured. The observed variations in responses of multiple cross-scale endpoints indicated that individual indices are less responsive to PE MPs than metabolic enzymes or metabolomics. Despite the absence of significant alterations in growth inhibition based on body weight, PE MPs at concentrations equal to or exceeding 2.5 g/kg were found to exert a toxic effect on earthworms, which was evidenced by significant changes in metabolic enzyme activities (CYP1A2, 2B6, 2C9, and 3A4, SOD, CAT, and GST) and important small molecule metabolites screened based on metabolomics, likely due to the bioaccumulation of PE. The toxicity of PE MPs to earthworms is inferred to be associated with neurotoxicity, oxidative damage, decreased detoxification capacity, energy metabolism imbalance, and impaired amino acid and purine metabolism due to bioaccumulation. The findings of this study will enhance our understanding of the molecular toxicity mechanisms of PE MPs and contribute to a more accurate assessment of the ecological risks posed by PE MPs in soil.
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Affiliation(s)
- Xiaoxia Yang
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China.
| | - Xuemei Zhang
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Xiao Shu
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Jiuping Gong
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Junying Yang
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Biquan Li
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Junjie Lin
- Key Laboratory of Water, Environment, Evolution and Pollution Control in Three Gorges Reservoir, Chongqing Three Gorges University, Chongqing 404100, People's Republic of China
| | - Yong Chai
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
| | - Jianfei Liu
- Institute of Agricultural Quality Standard and Testing Technology, Chongqing Academy of Agricultural Sciences, Chongqing 401329, People's Republic of China
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Jia L, Liu L, Zhang Y, Fu W, Liu X, Wang Q, Tanveer M, Huang L. Microplastic stress in plants: effects on plant growth and their remediations. FRONTIERS IN PLANT SCIENCE 2023; 14:1226484. [PMID: 37636098 PMCID: PMC10452891 DOI: 10.3389/fpls.2023.1226484] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 07/10/2023] [Indexed: 08/29/2023]
Abstract
Microplastic (MP) pollution is becoming a global problem due to the resilience, long-term persistence, and robustness of MPs in different ecosystems. In terrestrial ecosystems, plants are exposed to MP stress, thereby affecting overall plant growth and development. This review article has critically analyzed the effects of MP stress in plants. We found that MP stress-induced reduction in plant physical growth is accompanied by two complementary effects: (i) blockage of pores in seed coat or roots to alter water and nutrient uptake, and (ii) induction of drought due to increased soil cracking effects of MPs. Nonetheless, the reduction in physiological growth under MP stress is accompanied by four complementary effects: (i) excessive production of ROS, (ii) alteration in leaf and root ionome, (iii) impaired hormonal regulation, and (iv) decline in chlorophyll and photosynthesis. Considering that, we suggested that targeting the redox regulatory mechanisms could be beneficial in improving tolerance to MPs in plants; however, antioxidant activities are highly dependent on plant species, plant tissue, MP type, and MP dose. MP stress also indirectly reduces plant growth by altering soil productivity. However, MP-induced negative effects vary due to the presence of different surface functional groups and particle sizes. In the end, we suggested the utilization of agronomic approaches, including the application of growth regulators, biochar, and replacing plastic mulch with crop residues, crop diversification, and biological degradation, to ameliorate the effects of MP stress in plants. The efficiency of these methods is also MP-type-specific and dose-dependent.
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Affiliation(s)
- Li Jia
- College of Food and Drug, Luoyang Normal University, Luoyang, Henan, China
| | - Lining Liu
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
| | - Yujing Zhang
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
| | - Wenxuan Fu
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
| | - Xing Liu
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
| | - Qianqian Wang
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
| | - Mohsin Tanveer
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS, Australia
| | - Liping Huang
- International Research Center for Environmental Membrane Biology, College of Food Science and Engineering, Foshan University, Foshan, China
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50
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Rapp-Wright H, Rodríguez-Mozaz S, Álvarez-Muñoz D, Barceló D, Regan F, Barron LP, White B. International Comparison, Risk Assessment, and Prioritisation of 26 Endocrine Disrupting Compounds in Three European River Catchments in the UK, Ireland, and Spain. Molecules 2023; 28:5994. [PMID: 37630246 PMCID: PMC10458904 DOI: 10.3390/molecules28165994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
Endocrine-disrupting compounds (EDCs) constitute a wide variety of chemistries with diverse properties that may/can pose risks to both humans and the environment. Herein, a total of 26 compounds, including steroids, flame retardants, and plasticizers, were monitored in three major and heavily urbanized river catchments: the R. Liffey (Ireland), the R. Thames (UK), and the R. Ter (Spain), by using a single solid-phase extraction liquid chromatography-mass spectrometry (SPE-LC-MS/MS) method. Occurrence and frequency rates were investigated across all locations over a 10-week period, with the highest concentration obtained for the flame retardant tris(2-chloroethyl) phosphate (TCEP) at 4767 ng∙L-1 in the R. Thames in Central London. Geographical variations were observed between sites and were partially explained using principal component analysis (PCA) and hierarchical cluster analysis (HCA). In particular, discrimination between the R. Ter and the R. Thames was observed based on the presence and concentration of flame retardants, benzotriazole, and steroids. Environmental risk assessment (ERA) across sites showed that caffeine, a chemical marker, and bisphenol A (BPA), a plasticizer, were classified as high-risk for the R. Liffey and R. Thames, based on relative risk quotients (rRQs), and that caffeine was classified as high-risk for the R. Ter, based on RQs. The total risks at each location, namely ΣRQriver, and ΣrRQriver, were: 361, 455, and 723 for the rivers Liffey, Thames, and Ter, respectively. Caffeine, as expected, was ubiquitous in all 3 urban areas, though with the highest RQ observed in the R. Ter. High contributions of BPA were also observed across the three matrices. Therefore, these two compounds should be prioritized independently of location. This study represents a comprehensive EDC monitoring comparison between different European cities based on a single analytical method, which allowed for a geographically independent ERA prioritization to be performed.
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Affiliation(s)
- Helena Rapp-Wright
- DCU Water Institute, Water Hub SG57, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland; (F.R.); (B.W.)
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, Wood Lane, London W12 0BZ, UK
| | - Sara Rodríguez-Mozaz
- Catalan Institute for Water Research (ICRA-CERCA), C/Emili Grahit 101, 17003 Girona, Spain; (S.R.-M.); (D.Á.-M.); (D.B.)
- University of Girona (UdG), 17004 Girona, Spain
| | - Diana Álvarez-Muñoz
- Catalan Institute for Water Research (ICRA-CERCA), C/Emili Grahit 101, 17003 Girona, Spain; (S.R.-M.); (D.Á.-M.); (D.B.)
- University of Girona (UdG), 17004 Girona, Spain
| | - Damià Barceló
- Catalan Institute for Water Research (ICRA-CERCA), C/Emili Grahit 101, 17003 Girona, Spain; (S.R.-M.); (D.Á.-M.); (D.B.)
- University of Girona (UdG), 17004 Girona, Spain
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), 08034 Barcelona, Spain
| | - Fiona Regan
- DCU Water Institute, Water Hub SG57, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland; (F.R.); (B.W.)
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland
| | - Leon P. Barron
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, Wood Lane, London W12 0BZ, UK
| | - Blánaid White
- DCU Water Institute, Water Hub SG57, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland; (F.R.); (B.W.)
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Dublin, Ireland
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