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Cardenas Perez AS, Challis JK, Alcaraz AJ, Ji X, Ramirez AVV, Hecker M, Brinkmann M. Developing an Approach for Integrating Chemical Analysis and Transcriptional Changes to Assess Contaminants in Water, Sediment, and Fish. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024. [PMID: 38801401 DOI: 10.1002/etc.5886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 04/01/2024] [Accepted: 04/10/2024] [Indexed: 05/29/2024]
Abstract
Pharmaceuticals in aquatic environments pose threats to aquatic organisms because of their continuous release and potential accumulation. Monitoring methods for these contaminants are inadequate, with targeted analyses falling short in assessing water quality's impact on biota. The present study advocates for integrated strategies combining suspect and targeted chemical analyses with molecular biomarker approaches to better understand the risks posed by complex chemical mixtures to nontarget organisms. The research aimed to integrate chemical analysis and transcriptome changes in fathead minnows to prioritize contaminants, assess their effects, and apply this strategy in Wascana Creek, Canada. Analysis revealed higher pharmaceutical concentrations downstream of a wastewater-treatment plant, with clozapine being the most abundant in fathead minnows, showing notable bioavailability from water and sediment sources. Considering the importance of bioaccumulation factor and biota-sediment accumulation factor in risk assessment, these coefficients were calculated based on field data collected during spring, summer, and fall seasons in 2021. Bioaccumulation was classified as very bioaccumulative with values >5000 L kg-1, suggesting the ability of pharmaceuticals to accumulate in aquatic organisms. The study highlighted the intricate relationship between nutrient availability, water quality, and key pathways affected by pharmaceuticals, personal care products, and rubber components. Prioritization of these chemicals was done through suspect analysis, supported by identifying perturbed pathways (specifically signaling and cellular processes) using transcriptomic analysis in exposed fish. This strategy not only aids in environmental risk assessment but also serves as a practical model for other watersheds, streamlining risk-assessment processes to identify environmental hazards and work toward reducing risks from contaminants of emerging concern. Environ Toxicol Chem 2024;00:1-22. © 2024 SETAC.
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Affiliation(s)
- Ana Sharelys Cardenas Perez
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jonathan K Challis
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Alper James Alcaraz
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Xiaowen Ji
- Division of Environmental Pediatrics, Department of Pediatrics, Grossman School of Medicine, New York University, New York, New York, USA
| | - Alexis Valerio Valery Ramirez
- Grupo de investigación Agrícola y Ambiental, Universidad Nacional Experimental del Táchira, San Cristóbal, Venezuela
| | - Markus Hecker
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Markus Brinkmann
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Centre for Hydrology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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2
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Sayed K, Wan-Mohtar WHM, Mohd Hanafiah Z, Bithi AS, Md Isa N, Abd Manan TSB. Occurrence of pharmaceuticals in rice (Oryza sativa L.) plant through wastewater irrigation. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 109:104475. [PMID: 38777114 DOI: 10.1016/j.etap.2024.104475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/21/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
The present investigation focuses on the identification of popular PhACs in roots, leaves and rice grains, which are cultivated in soil irrigated with waters and wastewater. The present study reveals the presence of PhACs in rice grains from different brands which are available in the current market, which has thus motivated these experiments. The rice plants were cultivated in garden containers and irrigated with three different water sources. All PhAC compounds were recovered within an 89-111 % range using the extraction technique, reproducibility, and sensitivity (LOQ <25 µg/g). Further, PhAC compounds were identified using liquid chromatography quadrupole time-of-flight mass spectrometry (LC-QqTOF-MS). Interestingly, several PhAC compounds were detected in rice grains, aligning with hypotheses and findings from published literature. A total of ten (10) PhACs were found in the root, leaf, and rice grain of the 20 popular PhACs that were targeted. The annual exposure and medical dose equivalent for individual PhACs was negligible. According to our knowledge, this study is the first to show the accumulation of several categories (cocktail) of PhACs in rice grains and show the approximate human health risk assessment by its consumption. The study's results provide valuable insights for researchers, policymakers, and agricultural practitioners working on sustainable agriculture and public health.
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Affiliation(s)
- Khalid Sayed
- Civil Engineering, Faculty of Engineering and Built Environment, National University of Malaysia (Universiti Kebangsaan Malaysia), Bangi, Selangor Darul Ehsan 43600, Malaysia.
| | - Wan Hanna Melini Wan-Mohtar
- Civil Engineering, Faculty of Engineering and Built Environment, National University of Malaysia (Universiti Kebangsaan Malaysia), Bangi, Selangor Darul Ehsan 43600, Malaysia; Environmental Management Centre, Institute of Climate Change, National University of Malaysia (Universiti Kebangsaan Malaysia), Selangor Darul Ehsan, Malaysia.
| | - Zarimah Mohd Hanafiah
- Functional Omics and Bioprocess Development Laboratory, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Aziza Sultana Bithi
- Civil Engineering, Faculty of Engineering and Built Environment, National University of Malaysia (Universiti Kebangsaan Malaysia), Bangi, Selangor Darul Ehsan 43600, Malaysia
| | - Nurulhikma Md Isa
- Faculty of Science & Technology, National University of Malaysia (Universiti Kebangsaan Malaysia), Bangi, Selangor Darul Ehsan 43600, Malaysia
| | - Teh Sabariah Binti Abd Manan
- Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman 21030, Malaysia
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Linge KL, Gruchlik Y, Busetti F, Ryan U, Joll CA. Use of micropollutant indicator ratios to characterize wastewater treatment plant efficiency and to identify wastewater impact on groundwater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 358:120822. [PMID: 38599088 DOI: 10.1016/j.jenvman.2024.120822] [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: 11/18/2023] [Revised: 03/20/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024]
Abstract
Contamination by wastewater has been traditionally assessed by measuring faecal coliforms, such as E. coli and entereococci. However, using micropollutants to track wastewater input is gaining interest. In this study, we identified nine micropollutant indicators that could be used to characterize water quality and wastewater treatment efficiency in pond-based wastewater treatment plants (WWTPs) of varying configuration. Of 232 micropollutants tested, nine micropollutants were detected in treated wastewater at concentrations and frequencies suitable to be considered as indicators for treated wastewater. The nine indicators were then classified as stable (carbamazepine, sucralose, benzotriazole, 4+5-methylbenzotriazole), labile (atorvastatin, naproxen, galaxolide) or intermediate/uncertain (gemfibrozil, tris(chloropropyl)phosphate isomers) based on observed removals in the pond-based WWTPs and correlations between micropollutant and dissolved organic carbon removal. The utility of the selected indicators was evaluated by assessing the wastewater quality in different stages of wastewater treatment in three pond-based WWTPs, as well as selected groundwater bores near one WWTP, where treated wastewater was used to irrigate a nearby golf course. Ratios of labile to stable indicators provided insight into the treatment efficiency of different facultative and maturation ponds and highlighted the seasonal variability in treatment efficiency for some pond-based WWTPs. Additionally, indicator ratios of labile to stable indicators identified potential unintended release of untreated wastewater to groundwater, even with the presence of micropollutants in other groundwater bores related to approved reuse of treated wastewater.
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Affiliation(s)
- Kathryn L Linge
- Curtin Water Quality Research Centre, Curtin University, GPO Box U1987, Perth, Australia; ChemCentre, PO Box 1250, Perth, Australia.
| | - Yolanta Gruchlik
- Curtin Water Quality Research Centre, Curtin University, GPO Box U1987, Perth, Australia
| | - Francesco Busetti
- Curtin Water Quality Research Centre, Curtin University, GPO Box U1987, Perth, Australia; ChemCentre, PO Box 1250, Perth, Australia
| | - Una Ryan
- Harry Butler Institute, College of Science, Health, Education and Engineering, Murdoch University, 90 South Street, Murdoch, Perth, Australia
| | - Cynthia A Joll
- Curtin Water Quality Research Centre, Curtin University, GPO Box U1987, Perth, Australia
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Qiao S, Huang W, Kuzma D, Kormendi A. Acesulfame and other artificial sweeteners in a wastewater treatment plant in Alberta, Canada: Occurrence, degradation, and emission. CHEMOSPHERE 2024; 356:141893. [PMID: 38582168 DOI: 10.1016/j.chemosphere.2024.141893] [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: 12/12/2023] [Revised: 03/04/2024] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
Acesulfame (ACE), sucralose (SUC), cyclamate (CYC), and saccharin (SAC) are widely used artificial sweeteners that undergo negligible metabolism in the human body, and thus ubiquitously exist in wastewater treatment plants (WWTPs). Due to their persistence in WWTPs, ACE and SUC are found in natural waters globally. Wastewater samples were collected from the primary influent, primary effluent, secondary effluent, and final effluent of a WWTP in Alberta, Canada between August 2022 and February 2023, and the artificial sweeteners concentrations were measured by LC-MS/MS. Using wastewater-based epidemiology, the daily per capita consumption of ACE in the studied wastewater treatment plant catchment was estimated to be the highest in the world. Similar to other studies, the removal efficiency in WWTP was high for SAC and CYC, but low or even negative for SUC. However, ACE removal remained surprisingly high (>96%), even in the cold Canadian winter months. This result may indicate a further adaptation of microorganisms capable of biodegrading ACE in WWTP. The estimated per capita discharge into the environment of ACE, CYC, and SAC is low in Alberta due to the prevalent utilization of secondary treatment throughout the province, but is 17.4-18.8 times higher in Canada, since only 70.3% of total discharged wastewater in Canada undergoes secondary treatment.
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Affiliation(s)
- Shuang Qiao
- Department of Civil Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada
| | - Wendy Huang
- Department of Civil Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.
| | - Darina Kuzma
- Advancing Canadian Water Assets, University of Calgary, 3131 210 Ave SE, Calgary, Alberta, T0L 0X0, Canada
| | - Aleshia Kormendi
- Advancing Canadian Water Assets, University of Calgary, 3131 210 Ave SE, Calgary, Alberta, T0L 0X0, Canada
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Hynes JM, Beattie RE, Blackwood AD, Clerkin T, Gallard-Góngora J, Noble RT. Using a combination of quantitative culture, molecular, and infrastructure data to rank potential sources of fecal contamination in Town Creek Estuary, North Carolina. PLoS One 2024; 19:e0299254. [PMID: 38640136 PMCID: PMC11029655 DOI: 10.1371/journal.pone.0299254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 02/07/2024] [Indexed: 04/21/2024] Open
Abstract
Estuarine water quality is declining worldwide due to increased tourism, coastal development, and a changing climate. Although well-established methods are in place to monitor water quality, municipalities struggle to use the data to prioritize infrastructure for monitoring and repair and to determine sources of contamination when they occur. The objective of this study was to assess water quality and prioritize sources of contamination within Town Creek Estuary (TCE), Beaufort, North Carolina, by combining culture, molecular, and geographic information systems (GIS) data into a novel contamination source ranking system. Water samples were collected from TCE at ten locations on eight sampling dates in Fall 2021 (n = 80). Microbiological water quality was assessed using US Environmental Protection Agency (U.S. EPA) approved culture-based methods for fecal indicator bacteria (FIB), including analysis of total coliforms (TC), Escherichia coli (EC), and Enterococcus spp. (ENT). The quantitative microbial source tracking (qMST) human-associated fecal marker, HF183, was quantified using droplet digital PCR (ddPCR). This information was combined with environmental data and GIS information detailing proximal sewer, septic, and stormwater infrastructure to determine potential sources of fecal contamination in the estuary. Results indicated FIB concentrations were significantly and positively correlated with precipitation and increased throughout the estuary following rainfall events (p < 0.01). Sampling sites with FIB concentrations above the U.S. EPA threshold also had the highest percentages of aged, less durable piping materials. Using a novel ranking system combining concentrations of FIB, HF183, and sewer infrastructure data at each site, we found that the two sites nearest the most aged sewage infrastructure and stormwater outflows were found to have the highest levels of measurable fecal contamination. This case study supports the inclusion of both traditional water quality measurements and local infrastructure data to support the current need for municipalities to identify, prioritize, and remediate failing infrastructure.
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Affiliation(s)
- Jenna M. Hynes
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
| | - Rachelle E. Beattie
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
| | - A. Denene Blackwood
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
| | - Thomas Clerkin
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
| | - Javier Gallard-Góngora
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
| | - Rachel T. Noble
- Department of Earth, Marine and Environmental Sciences, Institute of Marine Science, University of North Carolina at Chapel Hill, Morehead City, North Carolina, United States of America
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Lin B, Qi F, An X, Zhao C, Gao Y, Liu Y, Zhong Y, Qiu B, Wang Z, Hu Q, Li C, Sun D. Review: The application of source analysis methods in tracing urban non-point source pollution: categorization, hotspots, and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:23482-23504. [PMID: 38483721 DOI: 10.1007/s11356-024-32602-9] [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: 09/26/2023] [Accepted: 02/19/2024] [Indexed: 04/07/2024]
Abstract
The contribution of urban non-point source (NPS) pollution to surface water pollution has gradually increased, analyzing the sources of urban NPS pollution is of great significance for precisely controlling surface water pollution. A bibliometric analysis of relevant research literature from 2000 to 2021 reveals that the main methods used in the source analysis research of urban NPS pollution include the emission inventory approach, entry-exit mass balance approach, principal component analysis (PCA), positive matrix factorization (PMF) model, etc. These methods are primarily applied in three aspects: source analysis of rainfall-runoff pollution, source analysis of wet weather flow (WWF) pollution in combined sewers, and analysis of the contribution of urban NPS to the surface water pollution load. The application of source analysis methods in urban NPS pollution research has demonstrated an evolution from qualitative to quantitative, and further towards precise quantification. This progression has transitioned from predominantly relying on on-site monitoring to incorporating model simulations and employing mathematical statistical analyses for traceability. This paper reviews the principles, advantages, disadvantages, and the scope of application of these methods. It also aims to address existing problems and analyze potential future development directions, providing valuable references for subsequent related research.
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Affiliation(s)
- Bingquan Lin
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Fei Qi
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Xinqi An
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Chen Zhao
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Yahong Gao
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Yuxuan Liu
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Yin Zhong
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Bin Qiu
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Zhenbei Wang
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Qian Hu
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Chen Li
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Dezhi Sun
- Beijing Key Lab for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China.
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Molnarova L, Halesova T, Tomesova D, Vaclavikova M, Bosakova Z. Monitoring Pharmaceuticals and Personal Care Products in Healthcare Effluent Wastewater Samples and the Effectiveness of Drug Removal in Wastewater Treatment Plants Using the UHPLC-MS/MS Method. Molecules 2024; 29:1480. [PMID: 38611760 PMCID: PMC11013191 DOI: 10.3390/molecules29071480] [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: 02/22/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
A multi-residue UHPLC-MS/MS analytical method, previously developed for monitoring 52 pharmaceuticals in drinking water, was used to analyse these pharmaceuticals in wastewater originating from healthcare facilities in the Czech Republic. Furthermore, the methodology was expanded to include the evaluation of the effectiveness of drug removal in Czech wastewater treatment plants (WWTPs). Of the 18 wastewater samples analysed by the validated UHPLC-MS/MS, each sample contained at least one quantifiable analyte. This study reveals the prevalence of several different drugs; mean concentrations of 702 μg L-1 of iomeprol, 48.8 μg L-1 of iopromide, 29.9 μg L-1 of gabapentin, 42.0 μg L-1 of caffeine and 82.5 μg L-1 of paracetamol were present. An analysis of 20 samples from ten WWTPs revealed different removal efficiencies for different analytes. Paracetamol was present in the inflow samples of all ten WWTPs and its removal efficiency was 100%. Analytes such as caffeine, ketoprofen, naproxen or atenolol showed high removal efficiencies exceeding 80%. On the other hand, pharmaceuticals like furosemide, metoprolol, iomeprol, zolpidem and tramadol showed lower removal efficiencies. Four pharmaceuticals exhibited higher concentrations in WWTP effluents than in the influents, resulting in negative removal efficiencies: warfarin at -9.5%, indomethacin at -53%, trimethoprim at -54% and metronidazole at -110%. These comprehensive findings contribute valuable insights to the pharmaceutical landscape of wastewater from healthcare facilities and the varied removal efficiencies of Czech WWTPs, which together with the already published literature, gives a more complete picture of the burden on the aquatic environment.
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Affiliation(s)
- Lucia Molnarova
- Department of Analytical Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic;
| | - Tatana Halesova
- ALS Czech Republic, Na Harfe 223/9, 190 00 Prague, Czech Republic; (T.H.); (D.T.); (M.V.)
| | - Daniela Tomesova
- ALS Czech Republic, Na Harfe 223/9, 190 00 Prague, Czech Republic; (T.H.); (D.T.); (M.V.)
| | - Marta Vaclavikova
- ALS Czech Republic, Na Harfe 223/9, 190 00 Prague, Czech Republic; (T.H.); (D.T.); (M.V.)
| | - Zuzana Bosakova
- Department of Analytical Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic;
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Zheng L, Deng Y. Advancing rainwater treatment technologies for irrigation of urban agriculture: A pathway toward innovation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170087. [PMID: 38232849 DOI: 10.1016/j.scitotenv.2024.170087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 01/19/2024]
Abstract
Urban agriculture (UA) has emerged for local food security since the 1960s. However, the access to sufficient and safe irrigation water remains a significant constraint. Municipal water supply, though commonly used in UA practices, proves unsustainable due to high costs, intensive energy consumption, and limited availability in many vacant urban spaces. In contrast, rainwater harvesting (RWH) exhibits a potential as a non-traditional water supply for urban farming. This article aims to provide insights into the advantages and challenges associated with RWH for UA irrigation, analyze existing low-cost RWH treatment technologies, and identify a visionary way toward innovative, new-generation RWH treatment processes in UA practices. Despite a promising water source, harvested rainwater is challenged for crop irrigation owing to the presence of various contaminants (e.g., waterborne pathogens, potentially toxic metals and metalloids, and synthetic organic chemicals). While established RWH treatment processes (e.g., first flush diversion, sedimentation, solar disinfection, chlorination, UV irradiation, granular filtration, and bio-sand filtration) can remove certain pollutants, they cannot offer viable treatment solutions for UA irrigation due to different technical, economic, and social restrictions. Particularly, their capacity to reliably remove contaminants of emerging concern in runoff remains limited or uncertain. Consequently, it is essential to develop next-generation RWH treatment technologies tailored specifically for UA irrigation. To this end, three fundamental principles are recommended. First, the focus should be on technically viable, low-cost, simple-operation, and easy-maintenance treatment technologies capable of simultaneously addressing traditional and emerging runoff contaminants, while minimizing the production of undesirable treatment byproducts. Second, advancing the understanding of the water, soil, and crop interactions enables the development of "right" RWH treatment processes for irrigation of "right" crops at a "right" place. Last, crop nutrients, if possible, are retained in rainwater to reduce the nutrient demand for crop production. The insights and perspectives have far-reaching implications for water conservation, stormwater management, and the integration of water, food, and energy systems within the urban environment.
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Affiliation(s)
- Lei Zheng
- School of Civil Engineering and Architecture, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province 310023, China
| | - Yang Deng
- Department of Earth and Environmental Studies, Montclair State University, Montclair, NJ 07043, United States.
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Wilkinson JL, Thornhill I, Oldenkamp R, Gachanja A, Busquets R. Pharmaceuticals and Personal Care Products in the Aquatic Environment: How Can Regions at Risk be Identified in the Future? ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:575-588. [PMID: 37818878 DOI: 10.1002/etc.5763] [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: 05/16/2023] [Revised: 07/11/2023] [Accepted: 10/09/2023] [Indexed: 10/13/2023]
Abstract
Pharmaceuticals and personal care products (PPCPs) are an indispensable component of a healthy society. However, they are well-established environmental contaminants, and many can elicit biological disruption in exposed organisms. It is now a decade since the landmark review covering the top 20 questions on PPCPs in the environment (Boxall et al., 2012). In the present study we discuss key research priorities for the next 10 years with a focus on how regions where PPCPs pose the greatest risk to environmental and human health, either now or in the future, can be identified. Specifically, we discuss why this problem is of importance and review our current understanding of PPCPs in the aquatic environment. Foci include PPCP occurrence and what drives their environmental emission as well as our ability to both quantify and model their distribution. We highlight critical areas for future research including the involvement of citizen science for environmental monitoring and using modeling techniques to bridge the gap between research capacity and needs. Because prioritization of regions in need of environmental monitoring is needed to assess future/current risks, we also propose four criteria with which this may be achieved. By applying these criteria to available monitoring data, we narrow the focus on where monitoring efforts for PPCPs are most urgent. Specifically, we highlight 19 cities across Africa, Central America, the Caribbean, and Asia as priorities for future environmental monitoring and risk characterization and define four priority research questions for the next 10 years. Environ Toxicol Chem 2024;43:575-588. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- John L Wilkinson
- Environment and Geography Department, University of York, York, UK
| | - Ian Thornhill
- School of Environment, Education and Development, The University of Manchester, Manchester, UK
| | - Rik Oldenkamp
- Amsterdam Institute for Life and Environment, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, University of Amsterdam, Amsterdam, The Netherlands
| | - Anthony Gachanja
- Department of Food Science and Post-Harvest Technology, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | - Rosa Busquets
- Department of Chemical and Pharmaceutical Sciences, Kingston University London, Kingston-upon-Thames, UK
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10
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Rangappa HS, Herath I, Lin C, Ch S. Industrial waste-based adsorbents as a new trend for removal of water-borne emerging contaminants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123140. [PMID: 38103712 DOI: 10.1016/j.envpol.2023.123140] [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: 03/29/2023] [Revised: 12/02/2023] [Accepted: 12/09/2023] [Indexed: 12/19/2023]
Abstract
Emerging contaminants in wastewater are one of the growing concerns because of their adverse effects on human health and ecosystems. Adsorption technology offers superior performance due to its cost-effectiveness, stability, recyclability, and reliability in maintaining environmental and health standards for toxic pollutants. Despite extensive research on the use of traditional adsorbents to remove emerging contaminants, their expensiveness, lack of selectivity, and complexity of regeneration remain some of the challenges. Industrial wastes viz. blast furnace slag, red mud, and copper slag can be used to develop efficacious adsorbents for the treatment of emerging contaminants in water. Advantages of the use of such industrial wastes include resource utilization, availability, cost-effectiveness, and waste management. Nevertheless, little is known so far about their application, removal efficacy, adsorption mechanisms, and limitations in the treatment of emerging contaminants. A holistic understanding of the application of such unique industrial waste-derived adsorbents in removing emerging contaminants from water is need of the hour to transform this technology from bench-scale to pilot and large-scale applications. This review investigates different water treatment techniques associated with industrial waste-based adsorbents derived from blast furnace slag, red mud, and copper slag. Besides, this review provides important insights into the growing trends of utilizing such novel types of adsorbents to remove emerging contaminants from water with an emphasis on removal efficacy, controlling measures, adsorption mechanisms, advantages, and limitations. The present timely review brings the current state of knowledge into a single reference which could be a strong platform for future research in understanding the latest advancements, decision making, and financial management related to the treatment of wastewater using industrial waste-based adsorbents.
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Affiliation(s)
- Harsha S Rangappa
- Center for Interdisciplinary Programs, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, 502285, Telangana, India; Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Burwood, VIC, 3125 Australia
| | - Indika Herath
- Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Waurn Ponds, VIC, 3216 Australia
| | - Chuxia Lin
- Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Burwood, VIC, 3125 Australia
| | - Subrahmanyam Ch
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502285, India.
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11
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Paparo R, Fortunato ME, Carotenuto G, Uggeri F, Nicolais L, Di Serio M, Trifuoggi M, Russo V. Iopamidol Abatement from Waters: A Rigorous Approach to Determine Physicochemical Parameters Needed to Scale Up from Batch to Continuous Operation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:18983-18994. [PMID: 38085695 PMCID: PMC10753885 DOI: 10.1021/acs.langmuir.3c02992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/27/2023]
Abstract
The abatement of iopamidol (IPM), an X-ray iodinated contrast agent, in aqueous solution using powdered activated carbon (PAC) as a sorbent was investigated in the present work. The material was characterized by various analytical techniques such as thermogravimetric analysis, scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Teller analysis, dynamic light scattering, and zeta potential measurements. Both thermodynamic and kinetic experiments were conducted in a batch apparatus, and the effects of the initial concentration of IPM, the temperature, and the adsorbent bulk density on the adsorption kinetics were investigated. The adsorption isotherms were interpreted well using the Langmuir model. Moreover, it was demonstrated that IPM adsorption on PAC is spontaneous and exothermic (ΔH0 = -27 kJ mol-1). The adsorption kinetic data were described using a dynamic intraparticle model for fluid-solid adsorption kinetics (ADIM) allowing determination of a surface activation energy Es = 6 ± 1 kJ mol-1. Comparing the experimental results and the model predictions, a good model fit was obtained.
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Affiliation(s)
- Rosanna Paparo
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | | | - Gianfranco Carotenuto
- Institute
for Polymers, Composites, and Biomaterials, National Research Council, SS Napoli/Portici, Piazzale Enrico Fermi 1, 80055 Portici, Italy
| | - Fulvio Uggeri
- Bracco
SpA, via Caduti di Marcinelle,
13, 20134 Milano, Italy
| | - Luigi Nicolais
- Materias
Srl, corso N. Protopisani
70, 80146 Naples, Italy
| | - Martino Di Serio
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | - Marco Trifuoggi
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | - Vincenzo Russo
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
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12
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Schilling Costello MC, Asad N, Haris M, Yousefi P, Khan B, Lee LS. Reconnaissance Survey of Organic Contaminants of Emerging Concern in the Kabul and Swat Rivers of Pakistan. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:2599-2613. [PMID: 37750569 DOI: 10.1002/etc.5750] [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: 06/13/2023] [Revised: 08/01/2023] [Accepted: 09/16/2023] [Indexed: 09/27/2023]
Abstract
The Swat and Kabul rivers of northern Pakistan are within an important regional watershed that supports river-based livelihoods and is impacted by untreated effluent discharges and municipal solid waste. Evidence indicates that fish populations are decreasing in these rivers. One potential cause of poor aquatic health is pollution; therefore, we investigated the presence of contaminants of emerging concern (CECs) in the river systems. Water samples were collected in the Kabul River (n = 9) and Swat River (n = 10) during seasons of high (summer 2018) and low (winter 2019) river flow. Agrochemicals, pharmaceuticals, plasticizers, chemicals in personal care products, and hormones were quantified via liquid chromatography high-resolution mass spectrometry. In the Swat River, caffeine (18-8452 ng/L), N,N-diethyl-meta-toluamide (DEET; 16-56 ng/L), and plasticizers (13-7379 ng/L) were detected at all sites during both seasons, while butachlor (16-98 ng/L) was detected only during high flow. In the Kabul River, caffeine (12-2081 ng/L) and several plasticizers (91-722 ng/L) were detected at all sites during both seasons, while DEET (up to 97 ng/L) was detected only during high flow. During low flow, pharmaceuticals (analgesics and nonsteroidal anti-inflammatory drugs) were quantified in both rivers (up to 823 ng/L), with detection frequencies from 70% to 100% and 0% to 78% in the Swat and Kabul Rivers, respectively. Intermittent-use and natural seasonal processes (increased runoff and dilution from rainfall and snowmelt) yielded higher agrochemical concentrations and lower concentrations of continuous-use compounds (e.g., caffeine) during high flow. The present study provides the first insight into CEC concentrations in the Swat River, additional insight into the Kabul River stressors, and, overall, contaminant risks to aquatic life. Environ Toxicol Chem 2023;42:2599-2613. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Maria Christina Schilling Costello
- Ecological Sciences and Engineering IGP, Purdue University, West Lafayette, Indiana, USA
- Department of Agronomy, Purdue University, West Lafayette, Indiana, USA
- Office of Research and Development, US Environmental Protection Agency, Cincinnati, Ohio, USA
| | - Neelam Asad
- Department of Environmental Sciences, University of Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Haris
- Department of Environmental Sciences, University of Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Peyman Yousefi
- Ecological Sciences and Engineering IGP, Purdue University, West Lafayette, Indiana, USA
- Lyles School of Civil Engineering, Purdue University, West Lafayette, Indiana, USA
| | - Bushra Khan
- Department of Environmental Sciences, University of Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Linda S Lee
- Ecological Sciences and Engineering IGP, Purdue University, West Lafayette, Indiana, USA
- Department of Agronomy, Purdue University, West Lafayette, Indiana, USA
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13
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Liu X, Tong X, Wu L, Mohapatra S, Xue H, Liu R. An integrated modelling framework for multiple pollution source identification in surface water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 347:119126. [PMID: 37778063 DOI: 10.1016/j.jenvman.2023.119126] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 06/29/2023] [Accepted: 08/30/2023] [Indexed: 10/03/2023]
Abstract
Pollution source identification is vital in water safety management. An integrated simulation-optimization modelling framework comprising a process-based hydrodynamic water quality model, artificial neural network surrogate model and particle swarm optimization (PSO) was proposed to achieve rapid, accurate and reliable pollution source identification. In this study, the hydrodynamics and water quality processes in a straight lab-based flume were simulated to test pollution source identification under steady flow conditions. Additionally, the pollution source identification in the unsteady flow conditions was examined using a real-life estuary, specifically the Yangtze River estuary. First, we developed two process-based models to simulate hydrodynamics and water quality in the flume and estuary. Then, the data generated from the process-based models were used to develop surrogate models. Three typical artificial neural networks (ANNs) algorithms: backpropagation (BP), radial basis function (RBF) and general regression neural networks (GRNN) were selected to develop surrogates for process-based models (PBMs), and they were coupled with PSO algorithm to achieve the hybrid modelling framework for pollution source identification. Our results showed that hybrid PBM-ANNs-PSO models could be applied to identify the pollution source and quantify release intensity in spatial distribution when the discharge type was assumed as the point source with a continuous release. Multiple-performance criteria metrics, in terms of the coefficient of determination, root-mean-square error, mean absolute error, evaluated the model performance as "Excellent prediction". The BP-PSO models consistently appear to be the top-performing source identification model within the developed models, with most cases of relative error (RE) values lower than 5%. The new insights from the hybrid modelling framework would provide useful information for the local government agency to make reasonable decisions regarding pollution source identification issues.
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Affiliation(s)
- Xiaodong Liu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China; Yangtze Institute for Conservation and Development, Hohai University, Jiangsu 210098, China
| | - Xuneng Tong
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China; Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore, 117576, Singapore.
| | - Lei Wu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
| | - Sanjeeb Mohapatra
- E2S2-CREATE, NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower, #15-02, Singapore 138602, Singapore
| | - Hongqin Xue
- School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Ruochen Liu
- Jiangsu Suli Environmental Technology Co., Ltd., Nanjing, Jiangsu 210036, China
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14
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Li D, Van De Werfhorst LC, Ervin J, Poresky A, Steets B, Rivers C, Sharp G, Smith J, Holden PA. Municipal separate storm sewer system (MS4) dry weather flows and potential flow sources as assessed by conventional and advanced bacterial analyses. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122521. [PMID: 37678735 DOI: 10.1016/j.envpol.2023.122521] [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: 05/24/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
Municipal separate storm sewer systems (MS4s) function in urbanized areas to convey flows during both wet weather (i.e., stormwater) and dry weather (i.e., urban runoff as well as subsurface sources of flow) to receiving waters. While urban stormwater is known to contain microbial and chemical pollutants, MS4 dry weather flows, or non-stormwater discharges (NSWDs), are much less studied, although they are also known to contain pollutants, especially when these flows include raw sewage. In addition, some natural NSWDs (e.g., from groundwater infiltrating MS4 pipes) are critical for aquatic habitat protection. Thus, it is important to distinguish NSWD sources to prevent non-natural flows while retaining natural waters (i.e., groundwater). Here, MS4 dry weather flows were assessed by analyzing water samples from MS4 outfalls across multiple watersheds and water provider service areas in south Orange County, CA; potential NSWD sources including sewage, recycled water, potable water, and groundwater were sampled and analyzed for their likely contributions to overall NSWDs. Geochemical and microbiological water quality indicators, as well as bacterial communities, differed across NSWDs, yet water quality within most locations did not vary significantly diurnally or by sampling date. Meanwhile, NSWD source waters had distinctly different bacterial taxa abundances and specific bacterial genera. Shared geochemical and microbial characteristics of certain sources and outfall flows suggested the contributions of sources to outfall flows. The average proportions by sources contributing to MS4 outfalls were further estimated by SourceTracker and FEAST, respectively. The results of this study highlight the use of multiple tools when assessing chemical and microbiological water quality to predict sources of NSWDs contributing to urban MS4 flows during dry weather. This information can be used to support management actions to reduce unnatural and high risk sources of dry weather drainage while preserving natural sources important to environmental health in downstream receiving waters.
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Affiliation(s)
- Dong Li
- Bren School of Environmental Science & Management, University of California, Santa Barbara, USA
| | | | - Jared Ervin
- Geosyntec Consultants, Santa Barbara, CA, 93101, USA
| | - Aaron Poresky
- Geosyntec Consultants, Santa Barbara, CA, 93101, USA
| | | | - Cindy Rivers
- Orange County Public Works (OCPW), Orange County, CA, USA
| | - Grant Sharp
- Orange County Public Works (OCPW), Orange County, CA, USA
| | - Jen Smith
- California NanoSystems Institute, University of California, Santa Barbara, USA
| | - Patricia A Holden
- Bren School of Environmental Science & Management, University of California, Santa Barbara, USA.
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15
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Severo ES, Marins AT, Ames J, Nunes MEM, Loro VL. Embryonic Development Effects of Basagran® Herbicide in Danio Rerio: A Preliminary Study. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 111:62. [PMID: 37903886 DOI: 10.1007/s00128-023-03817-2] [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: 07/03/2023] [Accepted: 09/29/2023] [Indexed: 11/01/2023]
Abstract
Bentazon (Basagran®) belongs to the chemical group of benzothiadiazinones. Thus, this study aimed to estimate the influence of herbicide bentazon (3 µg.L-1, 6 µg.L-1, 12 µg.L-1, 300 µg.L-1) in Danio rerio embryos development. The study tested environmental relevant concentrations of bentazon as well as the limit established for drinking water (300 µg.L-1) in Brazil. We performed behavioral and developmental analyzes during 96 h of exposure. The bentazon measurements after experimental period showed reduction ranging from 5.0 to 18.93% between exposed groups. Our results showed significant differences in the heart rate, which was significantly higher in groups exposed to all bentazon concentrations compared to control groups. The absence of alterations in the behavioral parameters showing that the herbicide bentazon at the concentrations tested had few adverse effects on the development and behavior of the Danio rerio embryos. Considering the toxic point of view, there is a chance that bentazon acts together with other environmental contaminants as an additive or synergistic way.
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Affiliation(s)
- Eduardo Stringini Severo
- Programa de Pós-Graduação em Biodiversidade Animal, Santa Maria, Brazil
- Laboratório de Toxicologia Aquática, Programa de Pós-Graduação em Bioquímica toxicológica, LABTAQ, Universidade Federal de Santa Maria, Santa Maria, RS, CEP: 97105-900, Brazil
| | - Aline Teixeira Marins
- Programa de Pós-Graduação em Biodiversidade Animal, Santa Maria, Brazil
- Laboratório de Toxicologia Aquática, Programa de Pós-Graduação em Bioquímica toxicológica, LABTAQ, Universidade Federal de Santa Maria, Santa Maria, RS, CEP: 97105-900, Brazil
| | - Jaíne Ames
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Santa Maria, Brazil
- Laboratório de Toxicologia Aquática, Programa de Pós-Graduação em Bioquímica toxicológica, LABTAQ, Universidade Federal de Santa Maria, Santa Maria, RS, CEP: 97105-900, Brazil
| | - Mauro Eugênio Medina Nunes
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Santa Maria, Brazil
- Laboratório de Toxicologia Aquática, Programa de Pós-Graduação em Bioquímica toxicológica, LABTAQ, Universidade Federal de Santa Maria, Santa Maria, RS, CEP: 97105-900, Brazil
| | - Vania Lucia Loro
- Programa de Pós-Graduação em Biodiversidade Animal, Santa Maria, Brazil.
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Santa Maria, Brazil.
- Laboratório de Toxicologia Aquática, Programa de Pós-Graduação em Bioquímica toxicológica, LABTAQ, Universidade Federal de Santa Maria, Santa Maria, RS, CEP: 97105-900, Brazil.
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16
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Sánez JM, Bell KY, Wells MJM. Transformation of organic carbon through medium pressure (polychromatic) UV disinfection of wastewater effluent during wet weather events. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 896:165149. [PMID: 37385498 DOI: 10.1016/j.scitotenv.2023.165149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 06/08/2023] [Accepted: 06/24/2023] [Indexed: 07/01/2023]
Abstract
An observed decrease in total organic carbon (TOC) and dissolved organic carbon (DOC) concentrations following wastewater disinfection with medium pressure (MP, polychromatic) ultraviolet (UV) irradiation during wet weather flows is investigated. When antecedent rainfall in the previous 7-days was >2 in (5 cm), TOC and DOC concentrations decreased dramatically following MP-UV disinfection. Organic carbon surrogate measurements of biological oxygen demand (BOD), TOC, DOC, turbidity, UVA - 254 nm, SUVA (specific UVA), scanning UV-Visible spectra (200-600 nm), fluorescence excitation-emission matrix (EEM) spectra, and light scattering data are presented for wastewater resource recovery facility (WRRF) influent, secondary effluent (pre-UV-disinfection), and MP-UV-disinfected (final effluent) samples. TOC and DOC in wastewater influent and secondary effluent (i.e., pre-UV disinfection) correlated with antecedent rainfall conditions. The percent TOC and DOC removal through secondary treatment (i.e., from influent to effluent pre-UV) and the percent TOC and DOC removal through MP-UV disinfection (i.e., from effluent pre-UV to effluent post-UV) were compared and the latter approached 90 % through MP-UV disinfection during high antecedent rainfall conditions. Spectroscopy (UV, visible, or fluorescence) was performed on samples after filtration through 0.45 μm filters, i.e., the operationally defined DOC fraction of aquatic carbon. Scanning UV-visible spectra indicated transformation of an unidentified wastewater component into light-scattering entities regardless of antecedent rainfall conditions. The types of organic carbon (diagenetic, biogenic, or anthropogenic) and the significance of wet weather are discussed. An organic carbon contribution via infiltration and inflow was attributed as a source-of-interest in this research.
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Affiliation(s)
- Juan M Sánez
- Federal University for Latin American Integration (UNILA), Foz do Iguaçu, Brazil; Center for the Management, Utilization and Protection of Water Resources and Department of Chemistry, Tennessee Technological University, Cookeville, TN, United States.
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17
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Clivillé-Cabré P, Lacorte S, Borrull F, Fontanals N, Marcé RM. Evaluation of ceramic passive samplers using a mixed-mode strong cation-exchange sorbent to monitor polar contaminants in river water. J Chromatogr A 2023; 1708:464348. [PMID: 37708670 DOI: 10.1016/j.chroma.2023.464348] [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: 05/29/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/16/2023]
Abstract
Although most of the analytical methods developed for the monitoring of contaminants in environmental waters are based on discrete grab sampling, an alternative of increasing interest is the use of passive sampling. Methods based on passive sampling provide the sampling and pre-concentration of the analytes in-situ, which makes the sample treatment less time consuming and costly than using discrete grab sampling. In this study, ceramic passive samplers (CPSs) using mixed-mode strong cation-exchange sorbent (Oasis MCX) as retention phase were evaluated for the determination of a group of 21 therapeutic and illicit drugs and some of their metabolites in river water samples that were determined by liquid chromatography-tandem mass spectrometry. After assessing the stability of the analytes, the CPSs were calibrated for 9 days with bottled water and river water, obtaining, for the 19 stable compounds, sample rates (Rs) ranging between 0.180 and 1.767 mL/day and diffusion coefficients (De) between 2.02E-8 and 2.81E-7 cm2/s. Once calibrated, CPSs were deployed for the determination of contaminants in the Ebre River, with good reproducibility, and some of the analytes were determined, including amongst others, gabapentin at 76 ng/L, caffeine at 203 ng/L or diclofenac amine at 57 ng/L. The passive sampling method herein presented is simple and feasible and allows the time-integrated analysis of pharmaceuticals and drugs at trace levels in river water. This study opens the possibility of using other mixed-mode sorbents or other types of sorbents as retaining phase on CPSs for the determination of very polar contaminants in water.
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Affiliation(s)
- Pol Clivillé-Cabré
- Universitat Rovira i Virgili, Department of Analytical Chemistry and Organic Chemistry, Sescelades Campus, Marcel·lí Domingo 1, 43007 Tarragona, Spain
| | - Sílvia Lacorte
- Department of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18, 08034 Barcelona, Spain
| | - Francesc Borrull
- Universitat Rovira i Virgili, Department of Analytical Chemistry and Organic Chemistry, Sescelades Campus, Marcel·lí Domingo 1, 43007 Tarragona, Spain
| | - Núria Fontanals
- Universitat Rovira i Virgili, Department of Analytical Chemistry and Organic Chemistry, Sescelades Campus, Marcel·lí Domingo 1, 43007 Tarragona, Spain.
| | - Rosa Maria Marcé
- Universitat Rovira i Virgili, Department of Analytical Chemistry and Organic Chemistry, Sescelades Campus, Marcel·lí Domingo 1, 43007 Tarragona, Spain
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18
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Liu J, Ge S, Shao P, Wang J, Liu Y, Wei W, He C, Zhang L. Occurrence and removal rate of typical pharmaceuticals and personal care products (PPCPs) in an urban wastewater treatment plant in Beijing, China. CHEMOSPHERE 2023; 339:139644. [PMID: 37495050 DOI: 10.1016/j.chemosphere.2023.139644] [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: 04/08/2023] [Revised: 06/26/2023] [Accepted: 07/23/2023] [Indexed: 07/28/2023]
Abstract
The occurrence and removal rate of 52 typical pharmaceuticals and personal care products (PPCPs) were investigated in a wastewater treatment plant in Beijing, China. Thirty-three PPCPs were found in the influent, with caffeine (CF, 11387.0 ng L-1) being the most abundant, followed by N,N-diethyl-meta-toluamide (DEET, 9568.4 ng L-1), metoprolol (MTP, 930.2 ng L-1), and diclofenac (DF, 710.3 ng L-1). After treatment processes, the cumulative concentration of PPCPs decreased from 2.54 × 104 ng L-1 to 1.44 × 103 ng L-1, with the overall removal efficiency (RE) of 94.3%. Different treatment processes showed varying contributions in removing PPCPs. PPCPs were efficiently removed in sedimentation, anoxic, and ultraviolet units. For individual compounds, a great variation in RE (52.1-100%) was observed. Twenty-two PPCPs were removed by more than 90%. The highly detected PPCPs in the influent were almost completely removed. Aerated grit chamber removed nearly 50% of fluoroquinolone (FQs) and more than 60% of sulfonamides. Most PPCPs showed low or negative removals during anaerobic treatment, except for CF which was eliminated by 64.9%. Anoxic treatment demonstrated positive removals for most PPCPs, with the exceptions of DF, MTP, bisoprolol, carbamazepine (CBZ), and sibutramine. DEET and bezafibrate were efficiently removed during the secondary sedimentation. Denitrification biological filter and membrane filtration also showed positive effect on most PPCPs removals. The remaining compounds were oxidized by 16-100% in ozonation. DF, sulpiride, ofloxacin (OFL), trimethoprim, and phenolphthalein were not amenable to ultraviolet. After the treatment, the residue OFL, CBZ, and CF in receiving water were identified to pose high risk to aquatic organisms. Considering the complex mixtures emitted into the environment, therapeutic groups psychotropics, stimulant, and FQs were classified as high risk. These findings provide valuable insights into adopting appropriate measures for more efficient PPCPs removals, and emphasize the importance of continued monitoring specific PPCPs and mixtures thereof to safeguard the ecosystem.
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Affiliation(s)
- Jia Liu
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China.
| | - Simin Ge
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China
| | - Peng Shao
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China.
| | - Jianfeng Wang
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China
| | - Yanju Liu
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China
| | - Wei Wei
- Institute of Analysis and Testing, Beijing Academy of Science and Technology, Beijing Center for Physical & Chemical Analysis, Beijing, 100089, People's Republic of China
| | - Can He
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, People's Republic of China
| | - Lilan Zhang
- Key Laboratory of Three Gorges Reservoir Region's Eco-environment, Ministry of Education, Chongqing University, Chongqing, 400045, People's Republic of China
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19
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Chen ZW, Shen ZW, Hua ZL, Li XQ. Global development and future trends of artificial sweetener research based on bibliometrics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115221. [PMID: 37421893 DOI: 10.1016/j.ecoenv.2023.115221] [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: 02/11/2023] [Revised: 06/19/2023] [Accepted: 06/29/2023] [Indexed: 07/10/2023]
Abstract
Artificial sweeteners have sparked a heated debate worldwide due to their ambiguous impacts on public and environmental health and food safety and quality. Many studies on artificial sweeteners have been conducted; however, none scientometric studies exist in the field. This study aimed to elaborate on the knowledge creation and development of the field of artificial sweeteners and predict the frontiers of knowledge based on bibliometrics. In particular, this study combined VOSviewer, CiteSpace, and Bibliometrix to visualize the mapping of knowledge production, covered 2389 relevant scientific publications (1945-2022), and systematically analyzed articles and reviews (n = 2101). Scientific publications on artificial sweeteners have been growing at an annual rate of 6.28% and globally attracting 7979 contributors. Susan J. Brown with total publications (TP) of 17, average citation per article (AC) of 36.59, and Hirsch (h)-index of 12 and Robert F. Margolskee (TP = 12; AC = 2046; h-index = 11) were the most influential scholars. This field was clustered into four groups: eco-environment and toxicology, physicochemical mechanisms, public health and risks, and nutrition metabolism. The publications about environmental issues, in particular, "surface water," were most intensive during the last five years (2018-2022). Artificial sweeteners are gaining importance in the monitoring and assessment of environmental and public health. Results of the dual-map overlay showed that the future research frontiers tilt toward molecular biology, immunology, veterinary and animal sciences, and medicine. Findings of this study are conducive to identifying knowledge gaps and future research directions for scholars.
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Affiliation(s)
- Zi-Wei Chen
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, PR China
| | - Zhi-Wei Shen
- Jiangsu Construction Engineering Branch, Shanghai Dredging Co., Ltd., China Communications Construction Co., Ltd., Nanjing 210000, PR China
| | - Zu-Lin Hua
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, PR China; Yangtze Institute for Conservation and Development, Nanjing 210098, PR China.
| | - Xiao-Qing Li
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, PR China; Yangtze Institute for Conservation and Development, Nanjing 210098, PR China
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20
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Goh SG, Haller L, Ng C, Charles FR, Jitxin L, Chen H, He Y, Gin KYH. Assessing the additional health burden of antibiotic resistant Enterobacteriaceae in surface waters through an integrated QMRA and DALY approach. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:132058. [PMID: 37459761 DOI: 10.1016/j.jhazmat.2023.132058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/15/2023] [Accepted: 07/12/2023] [Indexed: 07/26/2023]
Abstract
Antibiotic resistant Enterobacteriaceae pose a significant threat to public health. However, limited studies have evaluated the health risks associated with exposure to antibiotic-resistant bacteria (ARB), especially in natural environments. While quantitative microbial risk assessment (QMRA) assesses microbial risks in terms of the probability of infection, it does not account for the severity of health outcomes. In this study, a QMRA-DALY model was developed to integrate QMRA with health burden (disability-adjusted life years (DALY)) from infections caused by ARB. The model considers uncertainties in probability of infection and health burden assessment using Monte Carlo simulations. The study collected antimicrobial resistance (AMR) surveillance data from surface waters with different land uses. Results revealed water bodies with agricultural land use to be the main AMR hotspots, with the highest additional health burden observed in infections caused by meropenem-resistant E. coli (∆DALY = 0.0105 DALY/event) compared to antibiotic-susceptible E. coli. The estimated ∆DALY for antibiotic-resistant K. pneumoniae was lower than for antibiotic-resistant E. coli (highest ∆DALY = 0.00048 DALY/event). The study highlights the need for better evaluation of AMR associated health burden, and effective measures to mitigate the risks associated with antibiotic-resistant bacteria in natural environments.
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Affiliation(s)
- Shin Giek Goh
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Laurence Haller
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Charmaine Ng
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Francis Rathinam Charles
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Lim Jitxin
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Hongjie Chen
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Karina Yew-Hoong Gin
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, Singapore 117576, Singapore.
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21
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Vargas-Berrones K, Ocampo-Perez R, Rodríguez-Torres I, Medellín-Castillo NA, Flores-Ramírez R. Molecularly imprinted polymers (MIPs) as efficient catalytic tools for the oxidative degradation of 4-nonylphenol and its by-products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90741-90756. [PMID: 37462867 DOI: 10.1007/s11356-023-28653-z] [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: 12/05/2022] [Accepted: 07/02/2023] [Indexed: 08/24/2023]
Abstract
Water pollution is a current global concern caused by emerging pollutants like nonylphenol (NP). This endocrine disruptor cannot be efficiently removed with traditional wastewater treatment plants (WTPs). Therefore, this work aimed to evaluate the adsorption influence of molecularly imprinted polymers (MIPs) on the oxidative degradation (ozone and ultraviolet irradiations) of 4-nonylphenol (4-NP) and its by-products as a coadjuvant in WTPs. MIPs were synthesized and characterized; the effect of the degradation rate under system operating conditions was studied by Box-Behnken response surface design of experiments. The variables evaluated were 4-NP concentration, ozone exposure time, pH, and MIP amount. Results show that the MIPs synthesized by co-precipitation and bulk polymerizations obtained the highest retention rates (> 90%). The maximum adsorption capacities for 4-NP were 201.1 mg L-1 and 500 mg L-1, respectively. The degradation percentages under O3 and UV conditions reached 98-100% at 120 s of exposure at different pHs. The degradation products of 4-NP were compounds with carboxylic and ketonic acids, and the MIP adsorption was between 50 and 60%. Our results present the first application of MIPs in oxidation processes for 4-NP, representing starting points for the use of highly selective materials to identify and remove emerging pollutants and their degradation by-products in environmental matrices.
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Affiliation(s)
- Karla Vargas-Berrones
- Instituto Tecnológico Superior de Rioverde, Ma del Rosario, San Ciro de Acosta-Rioverde 165, CP 79610, Rioverde, SLP, Mexico
| | - Raul Ocampo-Perez
- Centro de Investigación Y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
| | - Israel Rodríguez-Torres
- Instituto de Metalurgia-Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2a Sección, 78210, San Luis Potosí, San Luis Potosí, Mexico
| | - Nahúm A Medellín-Castillo
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Manuel Nava No. 8, 78290, San Luis Potosí, SLP, Mexico
| | - Rogelio Flores-Ramírez
- Coordinación Para La Innovación Y Aplicación de La Ciencia Y La Tecnología (CIACYT), Colonia Lomas Segunda Sección, Avenida Sierra Leona No. 550, CP 78210, San Luis Potosí, SLP, Mexico.
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22
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Yadav N, Ahn HJ, Kurade MB, Ahn Y, Park YK, Khan MA, Salama ES, Li X, Jeon BH. Fate of five bisphenol derivatives in Chlamydomonas mexicana: Toxicity, removal, biotransformation and microalgal metabolism. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131504. [PMID: 37121039 DOI: 10.1016/j.jhazmat.2023.131504] [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: 02/10/2023] [Revised: 04/03/2023] [Accepted: 04/24/2023] [Indexed: 05/19/2023]
Abstract
Bisphenols (BPs) are recognized as emerging contaminants because of their estrogenic properties and frequent occurrence in environmental matrices. Here, we evaluated the toxic effects of five common BPs on freshwater microalga Chlamydomonas mexicana and removal of the BPs by the alga. Bisphenols -AF (BPAF), -B (BPB), and -Z (BPZ) (96 h, EC50 1.78-12.09 mg·L-1) exhibited higher toxicity to C. mexicana compared to bisphenol -S (BPS) and -F (BPF) (96 h, EC50 30.53-85.48 mg·L-1). In contrast, the mixture of BPs exhibited acute toxicity (96 h, EC50 8.07 mg·L-1). After 14 days, C. mexicana had effectively removed 61%, 99%, 55%, 87%, and 89% of BPS, BPF, BPAF, BPB, and BPZ, respectively, at 1 mg L-1. The biotransformed products of all five BPs were analyzed using UHPLC QTOF, and their toxicity was predicted. All biotransformed products were observed to be less toxic than the parent compounds. The fatty acid composition of C. mexicana after exposure to the BP mixture was predominantly palmitic acid (34.14%), followed by oleic acid (18.9%), and γ-linolenic acid (10.79%). The results provide crucial information on the ecotoxicity of these five BPs and their removal by C. mexicana; the resulting biomass is a potential feedstock for producing biodiesel.
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Affiliation(s)
- Nikita Yadav
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Hyun-Jo Ahn
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Mayur B Kurade
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Yongtae Ahn
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - El-Sayed Salama
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Xiangkai Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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23
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Chen M, Hong Y, Jin X, Guo C, Zhao X, Liu N, Lu H, Liu Y, Xu J. Ranking the risks of eighty pharmaceuticals in surface water of a megacity: A multilevel optimization strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:163184. [PMID: 37001676 DOI: 10.1016/j.scitotenv.2023.163184] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/01/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Abstract
Pharmaceuticals in freshwater posed ecological risks to aquatic ecosystem, however, most risk assessments of pharmaceuticals were conducted at screening level, which were limited by the availability of the toxicity data. In this study, risks of 80 pharmaceuticals including 35 antibiotics, 13 antiviral drugs, 13 illicit drugs, and 19 antidepressants in surface water of Beijing were assessed with a proposed multilevel environmental risk optimization strategy. Target pharmaceuticals were detected in surface water samples with the detection frequency from 1.7 % to 100 % and the total concentrations from 31.1 ng/L to 2708 ng/L. Antiviral drugs were the dominant pharmaceuticals. Preliminary screening-level risk assessment indicated that 20 pharmaceuticals posed low to high risks with risk quotient from 0.14 (chloroquine diphosphate) to 27.8 (clarithromycin). Thirteen pharmaceuticals were recognized with low to high risks by an optimized risk assessment method. Of them, the refined probabilistic risk assessment of joint probability curves coupling with a quantitative structure activity relationship-interspecies correlation estimation (QSAR-ICE) model was applied. Clarithromycin, erythromycin and ofloxacin were identified to pose low risks with maximum risk products (RP) of 1.23 %, 0.41 % and 0.35 %, respectively, while 10 pharmaceuticals posed de minimis risks. Structural equation modeling disclosed that human land use and climate conditions influenced the risks of pharmaceuticals by indirectly influencing the concentrations of pharmaceuticals. The results indicated that the multilevel strategy coupling with QSAR-ICE model was appropriate and effective for screening priority pollutants, and the strategy can be used to prioritize pharmaceuticals and other emerging contaminants in the aquatic environment.
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Affiliation(s)
- Miao Chen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yajun Hong
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu 241000, China
| | - Xiaowei Jin
- China National Environmental Monitoring Centre, Beijing 100012, China.
| | - Changsheng Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xu Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; China National Environmental Monitoring Centre, Beijing 100012, China
| | - Na Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Haijian Lu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Yang Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jian Xu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
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24
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Caracciolo R, Escher BI, Lai FY, Nguyen TA, Le TMT, Schlichting R, Tröger R, Némery J, Wiberg K, Nguyen PD, Baduel C. Impact of a megacity on the water quality of a tropical estuary assessed by a combination of chemical analysis and in-vitro bioassays. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162525. [PMID: 36868276 DOI: 10.1016/j.scitotenv.2023.162525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/30/2023] [Accepted: 02/24/2023] [Indexed: 05/06/2023]
Abstract
Tropical estuaries are threatened by rapid urbanization, which leads to the spread of thousands of micropollutants and poses an environmental risk to such sensitive aqueous ecosystems. In the present study, a combination of chemical and bioanalytical water characterization was applied to investigate the impact of Ho Chi Minh megacity (HCMC, 9.2 million inhabitants in 2021) on the Saigon River and its estuary and provide a comprehensive water quality assessment. Water samples were collected along a 140-km stretch integrating the river-estuary continuum from upstream HCMC down to the estuary mouth in the East Sea. Additional water samples were collected at the mouth of the four main canals of the city center. Chemical analysis was performed targeting up to 217 micropollutants (pharmaceuticals, plasticizers, PFASs, flame retardants, hormones, pesticides). Bioanalysis was performed using six in-vitro bioassays for hormone receptor-mediated effects, xenobiotic metabolism pathways and oxidative stress response, respectively, all accompanied by cytotoxicity measurement. A total of 120 micropollutants were detected and displayed high variability along the river continuum with total concentration ranging from 0.25 to 78 μg L-1. Among them, 59 micropollutants were ubiquitous (detection frequency ≥ 80 %). An attenuation was observed in concentration and effect profiles towards the estuary. The urban canals were identified as major sources of micropollutants and bioactivity to the river, and one canal (Bến Nghé) exceeded the effect-based trigger values derived for estrogenicity and xenobiotic metabolism. Iceberg modelling apportioned the contribution of the quantified and the unknown chemicals to the measured effects. Diuron, metolachlor, chlorpyrifos, daidzein, genistein, climbazole, mebendazole and telmisartan were identified as main risk drivers of the oxidative stress response and xenobiotic metabolism pathway activation. Our study reinforced the need for improved wastewater management and deeper evaluations of the occurrence and fate of micropollutants in urbanized tropical estuarine environments.
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Affiliation(s)
- Romane Caracciolo
- Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, Institute of Environmental Geosciences (IGE), 38000 Grenoble, France.
| | - Beate I Escher
- Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany; Eberhard Karls University Tübingen, Germany
| | - Foon Yin Lai
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), SE-75007 Uppsala, Sweden
| | - Truong An Nguyen
- Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, Institute of Environmental Geosciences (IGE), 38000 Grenoble, France; Asian Centre for Water Research (CARE)/HCMUT, Ho Chi Minh City, Viet Nam
| | - Thi Minh Tam Le
- Asian Centre for Water Research (CARE)/HCMUT, Ho Chi Minh City, Viet Nam; Ho Chi Minh University of Technology, Ho Chi Minh City, Viet Nam
| | - Rita Schlichting
- Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany
| | - Rikard Tröger
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), SE-75007 Uppsala, Sweden
| | - Julien Némery
- Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, Institute of Environmental Geosciences (IGE), 38000 Grenoble, France; Asian Centre for Water Research (CARE)/HCMUT, Ho Chi Minh City, Viet Nam
| | - Karin Wiberg
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), SE-75007 Uppsala, Sweden
| | - Phuoc Dan Nguyen
- Asian Centre for Water Research (CARE)/HCMUT, Ho Chi Minh City, Viet Nam; Ho Chi Minh University of Technology, Ho Chi Minh City, Viet Nam
| | - Christine Baduel
- Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, Institute of Environmental Geosciences (IGE), 38000 Grenoble, France; Asian Centre for Water Research (CARE)/HCMUT, Ho Chi Minh City, Viet Nam.
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25
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de Melo MG, Dos Anjos OC, Nunes AP, Farias MADS, Val AL, Chaar JDS, Bataglion GA. Correlation between caffeine and coprostanol in contrasting Amazonian water bodies. CHEMOSPHERE 2023; 326:138365. [PMID: 36906004 DOI: 10.1016/j.chemosphere.2023.138365] [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: 11/11/2022] [Revised: 02/19/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
The evaluation of contamination by domestic sewage is relevant in the Amazon region; however, it has neither been well-developed nor accompanied by research or monitoring programs. In this study, caffeine and coprostanol as indicators of sewage were investigated in water samples from Amazonian water bodies that crisscross the city of Manaus (Amazonas state, Brazil) and cover regions with distinct main land uses such as high-density residential, low-density residential, commercial, industrial, and environmental protection areas. Thirty-one water samples were studied based on their dissolved and particulate organic matter (DOM and POM) fractions. Quantitative determination of both caffeine and coprostanol was carried out using LC-MS/MS with APCI in the positive ionization mode. The streams of the urban area of Manaus had the highest concentrations of caffeine (1.47-69.65 μg L-1) and coprostanol (2.88-46.92 μg L-1). Samples from the peri-urban Tarumã-Açu stream and from the streams in the Adolpho Ducke Forest Reserve showed much lower concentrations of caffeine (20.20-165.78 ng L-1) and coprostanol (31.49-120.44 ng L-1). Samples from the Negro River showed a wider range of concentrations of caffeine (20.59-873.59 ng L-1) and coprostanol (31.72-706.46 ng L-1), with the highest values found in the outfalls of the urban streams. Levels of caffeine and coprostanol were significantly positively correlated in the different organic matter fractions. The coprostanol/(coprostanol + cholestanol) ratio proved to be a more suitable parameter than the coprostanol/cholesterol one in low-density residential areas. Proximity to densely populated areas and the flow of water bodies appear to influence the caffeine and coprostanol concentrations, which was observed in their clustering in the multivariate analysis. The results indicate that caffeine and coprostanol can be detected even in water bodies that receive very low domestic sewage input. Therefore, this study revealed that both caffeine in DOM and coprostanol in POM represent viable alternatives for use in studies and monitoring programs even in remote areas of the Amazon, where microbiological analyses are often unfeasible.
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Affiliation(s)
- Moacir Guimarães de Melo
- Department of Chemistry, Institute of Exact Sciences, Federal University of Amazonas (UFAM), General Rodrigo Octavio Avenue, 6200, Coroado, Manaus, AM, Brazil
| | - Otorvan Conrado Dos Anjos
- Department of Chemistry, Institute of Exact Sciences, Federal University of Amazonas (UFAM), General Rodrigo Octavio Avenue, 6200, Coroado, Manaus, AM, Brazil
| | - Andreza Pinheiro Nunes
- Department of Chemistry, Institute of Exact Sciences, Federal University of Amazonas (UFAM), General Rodrigo Octavio Avenue, 6200, Coroado, Manaus, AM, Brazil
| | - Marco Antônio Dos Santos Farias
- Departamento de Tecnologia Agroindustrial e Socioeconomia Rural (DTAiSeR), Federal University of São Carlos (UFSCar), Rodovia Anhanguera, Km 174, Araras, SP, Brazil
| | - Adalberto Luis Val
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Amazonian Research (INPA), André Araújo Avenue, 2936, Aleixo, Manaus, AM, Brazil
| | - Jamal da Silva Chaar
- Department of Chemistry, Institute of Exact Sciences, Federal University of Amazonas (UFAM), General Rodrigo Octavio Avenue, 6200, Coroado, Manaus, AM, Brazil
| | - Giovana Anceski Bataglion
- Department of Chemistry, Institute of Exact Sciences, Federal University of Amazonas (UFAM), General Rodrigo Octavio Avenue, 6200, Coroado, Manaus, AM, Brazil.
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26
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Zhang D, Lu S. A holistic review on triclosan and triclocarban exposure: Epidemiological outcomes, antibiotic resistance, and health risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162114. [PMID: 36764530 DOI: 10.1016/j.scitotenv.2023.162114] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/31/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Triclosan (TCS) and triclocarban (TCC) are antimicrobials that are widely applied in personal care products, textiles, and plastics. TCS and TCC exposure at low doses may disturb hormone levels and even facilitate bacterial resistance to antibiotics. In the post-coronavirus disease pandemic era, chronic health effects and the spread of antibiotic resistance genes associated with TCS and TCC exposure represent an increasing concern. This study sought to screen and review the exposure levels and sources and changes after the onset of the coronavirus disease (COVID-19) pandemic, potential health outcomes, bacterial resistance and cross-resistance, and health risk assessment tools associated with TCS and TCC exposure. Daily use of antimicrobial products accounts for most observed associations between internal exposure and diseases, while secondary exposure at trace levels mainly lead to the spread of antibiotic resistance genes. The roles of altered gut microbiota in multi-system toxicities warrant further attention. Sublethal dose of TCC selects ARGs without obviously increasing tolerance to TCC. But TCS induce persistent TCS resistance and reversibly select antibiotic resistance, which highlights the benefits of minimizing its use. To derive reference doses (RfDs) for humans, more sensitive endpoints observed in populational studies need to be confirmed using toxicological tests. Additionally, the human equivalent dose is recommended to be incorporated into the health risk assessment to reduce uncertainty of extrapolation.
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Affiliation(s)
- Duo Zhang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Shaoyou Lu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China.
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27
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Mohapatra S, Bhatia S, Senaratna KYK, Jong MC, Lim CMB, Gangesh GR, Lee JX, Giek GS, Cheung C, Yutao L, Luhua Y, Yong NH, Peng LC, Wong JCC, Ching NL, Gin KYH. Wastewater surveillance of SARS-CoV-2 and chemical markers in campus dormitories in an evolving COVID - 19 pandemic. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130690. [PMID: 36603423 PMCID: PMC9795800 DOI: 10.1016/j.jhazmat.2022.130690] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/08/2022] [Accepted: 12/27/2022] [Indexed: 05/21/2023]
Abstract
In this study, we report the implementation of a comprehensive wastewater surveillance testing program at a university campus in Singapore to identify Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infected individuals and the usage of pharmaceuticals and personal care products (PPCPs) as well as other emerging contaminants (ECs). This unique co-monitoring program simultaneously measured SARS-CoV-2 with chemical markers/contaminants as the COVID-19 situation evolved from pandemic to endemic stages, following a nationwide mass vaccination drive. SARS-CoV-2 RNA concentrations in wastewater from campus dormitories were measured using real-time reverse transcription-polymerase chain reaction (RT-qPCR) and corroborated with the number of symptomatic COVID-19 cases confirmed with the antigen rapid test (ART). Consistent results were observed where the concentrations of SARS-CoV-2 RNA detected in wastewater increased proportionately with the number of COVID-19 infected individuals residing on campus. Similarly, a wide range of ECs, including disinfectants and antibiotics, were detected through sensitive liquid chromatography with tandem mass spectrometry (LC-MS/MS) techniques to establish PPCPs consumption patterns during various stages of the COVID-19 pandemic in Singapore. Statistical correlation of SARS-CoV-2 RNA was observed with few ECs belonging to disinfectants, PCPs and antibiotics. A high concentration of disinfectants and subsequent positive correlation with the number of reported cases on the university campus indicates that disinfectants could serve as a chemical marker during such unprecedented times.
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Affiliation(s)
- Sanjeeb Mohapatra
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore
| | - Sumedha Bhatia
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | | | - Mui-Choo Jong
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - Chun Min Benjamin Lim
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - G Reuben Gangesh
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - Jia Xiong Lee
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - Goh Shin Giek
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - Callie Cheung
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, Engineering Drive 2, 117576, Singapore
| | - Lin Yutao
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore
| | - You Luhua
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore
| | - Ng How Yong
- Department of Civil & Environmental Engineering, National University of Singapore, Engineering Drive 2, 117576, Singapore
| | - Lim Cheh Peng
- Office of Risk Management and Compliance, National University of Singapore, 119077, Singapore
| | - Judith Chui Ching Wong
- Environmental Health Institute, National Environment Agency, 11 Biopolis Way, #06-05/08, 138667, Singapore
| | - Ng Lee Ching
- Environmental Health Institute, National Environment Agency, 11 Biopolis Way, #06-05/08, 138667, Singapore; School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, 637551, Singapore
| | - Karina Yew-Hoong Gin
- NUS Environmental Research Institute, National University of Singapore, T-Lab Building, 5A Engineering Drive 1, 117411, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, Engineering Drive 2, 117576, Singapore.
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28
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Sharma P, Bano A, Yadav S, Singh SP. Biocatalytic Degradation of Emerging Micropollutants. Top Catal 2023. [DOI: 10.1007/s11244-023-01790-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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29
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Oliva A, Onana VE, Garner RE, Kraemer SA, Fradette M, Walsh DA, Huot Y. Geospatial analysis reveals a hotspot of fecal bacteria in Canadian prairie lakes linked to agricultural non-point sources. WATER RESEARCH 2023; 231:119596. [PMID: 36653256 DOI: 10.1016/j.watres.2023.119596] [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: 09/01/2022] [Revised: 01/06/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Lakes are sentinels of environmental changes within their watersheds including those induced by a changing climate and anthropogenic activities. In particular, contamination originating from point or non-point sources (NPS) within watersheds might be reflected in changes in the bacterial composition of lake water. We assessed the abundance of potentially pathogenic bacteria (PPB) sampled in 413 lakes within 8 southern Canadian ecozones that represent a wide diversity of lakes and watershed land use. The study objectives were (1) to explore the diversity of PPB; (2) to build a fecal multi-indicator from a cluster of co-occurring PPB; and (3) to predict the fecal multi-indicator over thousands of lakes. We identified bacterial taxa based on 16S rRNA amplicon sequencing and clustered 33 PPB matching taxa in the Canadian ePATHogen database using a Sørensen dissimilarity index on binary data across the sampled lakes. One cluster contained Erysipelothrix, Desulfovibrio, Bacteroides, Vibrio and Acholeplasma and was related to the NPS fraction of agriculture and pasture within the watershed as its main driver and thus it was determined as the fecal multi-indicator. We subsequently developed a fecal multi-indicator predictive model across 200 212 southern Canadian lakes which explained 55.1% of the deviance. Mapping the predictions showed higher fecal multi-indicator abundances in the Prairies and Boreal Plains compared to the other ecozones. These results represent the first attempt to map a potential fecal multi-indicator at the continental scale, which may be further improved in the future. Lastly, the study demonstrates the capacity of a multi-disciplinary approach leveraging both datasets derived from remote sensing and DNA sequencing to provide mapping information for public health governmental policies.
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Affiliation(s)
- Anaïs Oliva
- Département de Géomatique Appliquée, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Géomatique Appliquée, CARTEL - Centre d'Applications et de Recherche en TELédétection, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada.
| | - Vera E Onana
- Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada; Department of Biology, Concordia University, Montréal, QC H4B 1R6, Canada
| | - Rebecca E Garner
- Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada; Department of Biology, Concordia University, Montréal, QC H4B 1R6, Canada
| | - Susanne A Kraemer
- Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada; Department of Biology, Concordia University, Montréal, QC H4B 1R6, Canada; Environment and Climate Change Canada, Montréal, Canada; Department of Microbiology & Immunology, Genome Center, McGill University, Montreal, Canada
| | - Maxime Fradette
- Département de Géomatique Appliquée, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Géomatique Appliquée, CARTEL - Centre d'Applications et de Recherche en TELédétection, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada
| | - David A Walsh
- Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada; Department of Biology, Concordia University, Montréal, QC H4B 1R6, Canada
| | - Yannick Huot
- Département de Géomatique Appliquée, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Géomatique Appliquée, CARTEL - Centre d'Applications et de Recherche en TELédétection, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; Département de Sciences Biologiques, GRIL - Groupement de Recherche Interuniversitaire en Limnologie, Université de Montréal, Campus MIL, Montréal, QC H3C 3J7, Canada
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30
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Progress in Deployment of Biomass-Based Activated Carbon in Point-of-Use Filters for Removal of Emerging Contaminants from Water: A Review. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.02.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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31
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Cao M, Fan J, Guo C, Chen M, Lv J, Sun W, Xi B, Xu J. Comprehensive investigation and risk assessment of organic contaminants in Yellow River Estuary using suspect and nontarget screening strategies. ENVIRONMENT INTERNATIONAL 2023; 173:107843. [PMID: 36822001 DOI: 10.1016/j.envint.2023.107843] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/12/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Contaminants of emerging concerns (CECs) include numerous chemicals that may pose known and unknown risks to the ecosystem, and identification and risk ranking of these compounds is essential for the environmental management. In this study, liquid and gas chromatography time-of-flight mass spectrometry (LC-QTOF-MS and GC-QTOF-MS) were used to characterize the occurrence of CECs in the surface water of the Yellow River Estuary (YRE). A total of 295 and 315 chemicals were identified by LC-QTOF-MS and GC-QTOF-MS, respectively. The occurrence of two compounds, erucamide and 2-phenylquinoline, was for the first time reported in the aquatic environment in YRE. The concentrations of 121 CECs, including 35 antibiotics, 49 pesticides and veterinary, 16 polycyclic aromatic hydrocarbons and 21 phthalic acid esters were further quantified by target analysis, which showed the detection of 99 compounds in the surface water in the range of 7.07-4611.26 ng/L. Ecological risks of pollutants based on the risk quotient (RQ) method revealed that 13 pollutants posed ecological risks to the aquatic ecosystem (RQ > 1), and pesticides (n = 12) were the main risk contributors. Here, all CECs data sets were finally transformed and ranked in the framework of the toxicological priority index (ToxPi), and a total of 81 priority control pollutants were identified in the surface water of YRE. This study highlighted the necessity of suspect and nontarget screening for CECs in estuaries, and revealed the importance of localized contamination sources in urban and agricultural environment.
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Affiliation(s)
- Miao Cao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Jingpu Fan
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Changsheng Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Miao Chen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jiapei Lv
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Wenjun Sun
- Waters Technologies Shanghai Limited, Shanghai 201206, China
| | - Beidou Xi
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jian Xu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
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32
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Topaz T. Attenuation of organic pollutants and the effects of salinity and seasonality in a Mediterranean micro-estuary. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:158919. [PMID: 36167138 DOI: 10.1016/j.scitotenv.2022.158919] [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: 07/07/2022] [Revised: 09/16/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Micro-estuaries are small ubiquitous transitional water bodies that are often located in semi-arid zones. Unlike the vastly studied large estuaries, micro-estuaries lack the ability to dilute and contain pollution from point and non-point sources due to low natural water discharges. Therefore, these diverse ecological systems are susceptible to pollutant loads due to prolonged water residence time and complex geochemical dynamics. Although this elevated anthropogenic stress limits their potential to provide ecological and recreational services, micro-estuaries have some traits similar to those found in wetlands, which provide a natural potential to retain and mitigate organic pollutants. A two consecutive years study conducted at the Alexander micro-estuary tracked the influx and outflux of a large organic pollutant mixture during base-flow and flood events. During the research period, 165 kg of active ingredients entered the micro-estuary and 160 kg flowed out to the Mediterranean Sea, suggesting negligible net attenuation. However, this broad picture conceals inner shifts in pollutant mixture loads, which contained 46 pesticides and 19 pharmaceuticals. Only a handful of pollutants were actually balanced, whereas most compounds were either removed or added to the flow, with no observed correlation to chemical properties. A prominent observation was the load increase along the flow for some pollutants during base-flow conditions. This trend, which was correlated with salinity elevation and was verified in lab experiments, suggests that seawater intrusion to the bottom of the estuary may increase desorption rates of pollutants from the estuary bed, creating an estuarine desorption magnification effect. The combination of strong anthropogenic stress with increased desorption rates severely limits the estuary's potential to mitigate pollutants, frequently transforming it into a pollution source rather than a sink.
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Affiliation(s)
- Tom Topaz
- Faculty of Marine Sciences, Ruppin Academic Center, Mikhmoret 402970, Israel.
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Pham TD, Truong TTT, Nguyen HL, Hoang LBL, Bui VP, Tran TTM, Dinh TD, Le TD. Synthesis and Characterization of Novel Core-Shell ZnO@SiO 2 Nanoparticles and Application in Antibiotic and Bacteria Removal. ACS OMEGA 2022; 7:42073-42082. [PMID: 36440119 PMCID: PMC9685607 DOI: 10.1021/acsomega.2c04226] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 06/15/2023]
Abstract
A novel core-shell nanomaterial, ZnO@SiO2, based on rice husk for antibiotic and bacteria removal, was successfully fabricated. The ZnO@SiO2 nanoparticles were characterized by X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), photoluminescence spectroscopy (PL), Brunauer-Emmett-Teller (BET) method, diffuse reflectance ultraviolet-vis (DR-UV-vis) spectroscopy, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and ζ-potential measurements. β-Lactam antibiotic amoxicillin (AMX) was removed using ZnO@SiO2 nanoparticles with an efficiency greater than 90%, while Escherichia coli removal was higher than 91%. The optimum effective conditions for AMX removal using ZnO@SiO2, including solution pH, adsorption time, and ZnO@SiO2 dosage, were 8, 90 min, and 25 mg/mL, respectively. The maximum adsorption capacity reached 52.1 mg/g, much higher than those for other adsorbents. Adsorption isotherms of AMX on ZnO@SiO2 were more in accordance with the Freundlich model than the Langmuir model. The electrostatic attraction between negative species of AMX and the positively charged ZnO@SiO2 surface induced adsorption, while the removal of E. coli was governed by both electrostatic and hydrophobic interactions. Our study demonstrates that ZnO@SiO2 based on rice husk is a useful core-shell nanomaterial for antibiotic and bacteria removal from water.
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Affiliation(s)
- Tien-Duc Pham
- Faculty
of Chemistry, University of Science, Vietnam
National University, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi100000, Vietnam
| | - Thi-Thuy-Trang Truong
- Faculty
of Chemistry, University of Science, Vietnam
National University, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi100000, Vietnam
| | - Ha-Linh Nguyen
- HUS
High School for Gifted Students, University of Science, Vietnam National University, Hanoi, 182 Luong The Vinh, Thanh Xuan, Hanoi100000, Vietnam
| | - Ly-Bao-Long Hoang
- HUS
High School for Gifted Students, University of Science, Vietnam National University, Hanoi, 182 Luong The Vinh, Thanh Xuan, Hanoi100000, Vietnam
| | - Viet-Phuong Bui
- Faculty
of Chemistry, University of Science, Vietnam
National University, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi100000, Vietnam
| | - Thi-Tra-My Tran
- Faculty
of Chemistry, University of Science, Vietnam
National University, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi100000, Vietnam
| | - Thi-Diu Dinh
- Faculty
of Environmental Science, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi100000, Vietnam
| | - Thi-Dung Le
- Faculty
of Chemistry, University of Science, Vietnam
National University, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi100000, Vietnam
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Manivannan B, Nallathambi G, Devasena T. Alternative methods of monitoring emerging contaminants in water: a review. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:2009-2031. [PMID: 36128976 DOI: 10.1039/d2em00237j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Anthropogenic activities have steadily increased the release of emerging contaminants (ECs) in aquatic bodies, and these ECs may have adverse effects on humans even at their trace (μg L-1) levels. Their occurrence in wastewater systems is more common, and the current wastewater treatment facilities are inefficient in eliminating many of such persistent ECs. "Gold standard" techniques such as chromatography, mass spectrometry, and other high-resolution mass spectrometers are used for the quantification of ECs of various kinds, but they all have significant limitations. This paper reviews the alternative methods for EC detection, which include voltammetry, potentiometry, amperometry, electrochemical impedance spectroscopy (EIS) based electrochemical methods, colorimetry, surface-enhanced Raman spectroscopy (SERS), fluorescence probes, and fluorescence spectroscopy-based optical techniques. These alternative techniques have several advantages over conventional techniques, including low sample volume, excludes solid phase extraction procedure, high sensitivity, selectivity, portability, reproducibility, rapidity, low cost, and the ability to monitor ECs in real time. This review summarises each of the alternative methods for detecting ECs in water samples and their respective limits of detection (LODs). The sensitivity of each technique varied depending on the type of EC measured, type of electrochemical probe and electrode, substrates, type of nanoparticle (NP), the physicochemical parameters of water samples tested, and more. Nevertheless, this paper also focuses on some of the current challenges encountered by these alternative methods in monitoring ECs.
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Affiliation(s)
| | - Gobi Nallathambi
- Department of Textile Technology, Anna University, Chennai, Tamil Nadu, India.
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35
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Atangana Njock PG, Shen SL, Zhou A, Lin SS. A VIKOR-based approach to evaluate river contamination risks caused by wastewater treatment plant discharges. WATER RESEARCH 2022; 226:119288. [PMID: 36323212 DOI: 10.1016/j.watres.2022.119288] [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: 05/17/2022] [Revised: 09/26/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Wastewater treatment plants (WWTPs) rarely eliminate emerging contaminants from effluents they discharged into waterways, and therefore, represent significant contaminations sources with deleterious environmental risks. This paper presents a VIKOR-based model to assess the contamination risk posed by a cluster of WWTPs. A risk index was defined via building a membership function embodying the performance degrees of WWTPs and risks levels within the framework of fuzzy set theory. The proposed approach was tested using a case study of WWTPs cluster along the Pearl River. Sensitivity analyses were carried out to investigate the robustness of the model. The results confirmed the ability of the proposed approach to reveal the risk level of a given treatment point. Further, the comparison with a TOPSIS scheme as well as sensitivity analysis results substantiate the consistency, accuracy, and reliability of the proposed approach. It is therefore bounds to improve the decentralized management of WWTPs-induced river contamination.
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Affiliation(s)
- Pierre Guy Atangana Njock
- MOE Key Laboratory of Intelligent Manufacturing Technology, Department of Civil and Environmental Engineering, College of Engineering, Shantou University, Guangdong 515063, China
| | - Shui-Long Shen
- MOE Key Laboratory of Intelligent Manufacturing Technology, Department of Civil and Environmental Engineering, College of Engineering, Shantou University, Guangdong 515063, China.
| | - Annan Zhou
- Discipline of Civil and Infrastructure Engineering, School of Engineering, Royal Melbourne Institute of Technology, Victoria 3001, Australia
| | - Song-Shun Lin
- Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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36
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Li M, Huang S, Yu X, Zhao W, Lyu S, Sui Q. Discharge of pharmaceuticals from a municipal solid waste transfer station: Overlooked influence on the contamination of pharmaceuticals in surface waters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156317. [PMID: 35636537 DOI: 10.1016/j.scitotenv.2022.156317] [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: 04/11/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
During the temporal storage of municipal solid wastes (MSWs), pharmaceutically contained in MSWs may percolate into leachates and migrate into receiving waters via surface runoff. However, knowledge of their intra-event variations during the rainfall is quite limited. To fill in this gap, we collected runoff samples in a typical MSW transfer station over the full length of a rainfall event to comprehensively characterize the pharmaceutical contamination profiles. The results showed that 18 pharmaceuticals were detected in the runoff samples with high frequencies and concentrations ranging from below MQL to 18.6 μg/L. During the rainfall event, pharmaceuticals exhibited discrepant leachabilities as a result of different sorption capacities; two concentration peaks of each pharmaceutical were observed, suggesting the leaching effect by rainwater and the potential influence of human-related rinse. A further sampling campaign for one-week-long runoff samples generated by diurnal rinse water was conducted, and the results indicated comparable mass loads of pharmaceuticals in surface runoff receiving rinse water (0.37-8250 μg) to those in rainfall runoff (0.58-1754 μg), suggesting the similar discharge of pharmaceuticals from MSW transfer stations despite the weather. The estimated per capita discharge load of caffeine, one of the typical Pharmaceuticals, from MSW transfer stations was 4383 ng capita-1 d-1, higher than that in other emission sources, e.g. municipal wastewater effluent, indicating an overlooked influence of MSW transfer stations on its contamination in the surface waters in Shanghai.
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Affiliation(s)
- Muyan Li
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shaoxin Huang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xia Yu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wentao Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Shuguang Lyu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Qian Sui
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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37
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Haldar K, Kujawa-Roeleveld K, Acharjee TK, Datta DK, Rijnaarts H. Urban water as an alternative freshwater resource for matching irrigation demand in the Bengal delta. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 835:155475. [PMID: 35472348 DOI: 10.1016/j.scitotenv.2022.155475] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/06/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
Rapid changes in climate patterns, population growth, urbanization, and rising economic activities have increased the pressure on the delta's freshwater availability. Bangladesh's coastal planes suffer from a shortage of good quality irrigation water, which is crucial for peri-urban agriculture and at the same time, a high volume of untreated wastewater is discharged into the surface water. This calls for a transition towards efficiently managing and (re)using available urban water resources for irrigation, which is addressed in this paper. A quantitative match between the irrigation demand and potential freshwater supply has been assessed considering different urban water generation scenarios. The FAO AquaCrop model has been used to calculate the irrigation water demand for Boro rice during the dry period. Results indicate that 7.4 million m3 of irrigation water is needed, whereas over 8.2 million m3 of urban water is being generated during the dry season. Simultaneously, mismatches between irrigation demand and alternative water supply mainly occurred in February and March, which could be resolved with water storage capacities. However, to make urban water reuse a reality, the water management policy needs to change to facilitate the construction of required infrastructures for collection, treatment, and storage. The proposed method helps realize the urban water's hidden potential to sustain agricultural activities in the delta areas.
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Affiliation(s)
- Kamonashish Haldar
- Environmental Technology, Wageningen University and Research, P.O. Box 17, 6700AA Wageningen, the Netherlands.
| | - Katarzyna Kujawa-Roeleveld
- Environmental Technology, Wageningen University and Research, P.O. Box 17, 6700AA Wageningen, the Netherlands
| | - Tapos Kumar Acharjee
- Department of Irrigation and Water Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Dilip Kumar Datta
- Environmental Science Discipline, Khulna University, Khulna 9208, Bangladesh
| | - Huub Rijnaarts
- Environmental Technology, Wageningen University and Research, P.O. Box 17, 6700AA Wageningen, the Netherlands
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Zhao X, Zheng Y, Quan F, Hu S, Wu Q, Luo M, Gu Y, Tang S, Jiang J. Road runoff as a significant nonpoint source of parabens and their metabolites in urban rivers. CHEMOSPHERE 2022; 301:134632. [PMID: 35439487 DOI: 10.1016/j.chemosphere.2022.134632] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/09/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Parabens are widely added to food, cosmetics, and medicines as preservatives and are typical contaminants of pharmaceuticals and personal care products (PPCPs). However, their fate and transport in urban watersheds remain largely unexplored. This study investigated the role of road runoff as a critical nonpoint source of parabens and their metabolites in urban rivers based on 73 multimedia (road runoff and dust in different urban land uses, wastewater, stormwater discharge and river water) samples collected from a highly urbanized drainage area. Seven parabens and five metabolites were detected in the road runoff, with mean concentrations of ∑parabens and ∑metabolites equal to 47.5 ng/L and 4710 ng/L, respectively. The concentrations in road runoff were comparable to those in treated wastewater and river water and showed a land use pattern of residential > industrial > commercial. A first flush effect of the contaminants was observed in a heavy rainfall event with an antecedent dry period. In general, the population-based and area-based emission intensities of ∑parabens and ∑metabolites in road runoff were one order of magnitude higher than those in wastewater effluent during the rainfall events. This study provides quantitative evidence that road runoff can be a major pollution source of parabens and their metabolites in rapidly growing cities during the wet season and calls for the integrated management of nonpoint sources to prevent urban river contamination by typical PPCPs.
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Affiliation(s)
- Xue Zhao
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China; School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Yi Zheng
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Feng Quan
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China; School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Shiyao Hu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Qingping Wu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Meiyu Luo
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yang Gu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Sijie Tang
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jiping Jiang
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
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Tong X, Mohapatra S, Zhang J, Tran NH, You L, He Y, Gin KYH. Source, fate, transport and modelling of selected emerging contaminants in the aquatic environment: Current status and future perspectives. WATER RESEARCH 2022; 217:118418. [PMID: 35417822 DOI: 10.1016/j.watres.2022.118418] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 02/07/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
The occurrence of emerging contaminants (ECs), such as pharmaceuticals and personal care products (PPCPs), perfluoroalkyl and polyfluoroalkyl substances (PFASs) and endocrine-disrupting chemicals (EDCs) in aquatic environments represent a major threat to water resources due to their potential risks to the ecosystem and humans even at trace levels. Mathematical modelling can be a useful tool as a comprehensive approach to study their fate and transport in natural waters. However, modelling studies of the occurrence, fate and transport of ECs in aquatic environments have generally received far less attention than the more widespread field and laboratory studies. In this study, we reviewed the current status of modelling ECs based on selected representative ECs, including their sources, fate and various mechanisms as well as their interactions with the surrounding environments in aquatic ecosystems, and explore future development and perspectives in this area. Most importantly, the principles, mathematical derivations, ongoing development and applications of various ECs models in different geographical regions are critically reviewed and discussed. The recommendations for improving data quality, monitoring planning, model development and applications were also suggested. The outcomes of this review can lay down a future framework in developing a comprehensive ECs modelling approach to help researchers and policymakers effectively manage water resources impacted by rising levels of ECs.
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Affiliation(s)
- Xuneng Tong
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
| | - Sanjeeb Mohapatra
- NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore
| | - Jingjie Zhang
- NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore; Shenzhen Municipal Engineering Lab of Environmental IoT Technologies, Southern University of Science and Technology, Shenzhen, 518055, China; Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China.
| | - Ngoc Han Tran
- NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore
| | - Luhua You
- NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Karina Yew-Hoong Gin
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore; NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore.
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40
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Tong X, You L, Zhang J, He Y, Gin KYH. Advancing prediction of emerging contaminants in a tropical reservoir with general water quality indicators based on a hybrid process and data-driven approach. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128492. [PMID: 35739673 DOI: 10.1016/j.jhazmat.2022.128492] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/05/2022] [Accepted: 02/12/2022] [Indexed: 06/15/2023]
Abstract
Monitoring and predicting the occurrence and dynamic distributions of emerging contaminants (ECs) in the aquatic environment has always been a great challenge. This study aims to explore the potential of fully utilizing the advantages of combining traditional process-based models (PBMs) and data-driven models (DDMs) with general water quality indicators in terms of improving the accuracy and efficiency of predicting ECs in aquatic ecosystems. Two representative ECs, namely Bisphenol A (BPA) and N, N-diethyltoluamide (DEET), in a tropical reservoir were chosen for this study. A total of 36 DDMs based on different input datasets using Artificial Neural Networks (ANN) and Random Forests (RF) were examined in three case studies. The models were applied in prognosis validation based on easily accessible data on water quality indicators. Our results revealed that all the models yielded good fits when compared to the observed data. These new insights into the advantages using the combination of traditional PBMs and DDMs with general water quality datasets help to overcome the constraints in terms of model accuracy and efficiency as well as technical and budget limitations due to monitoring surveys and laboratory experiments in the study of fate and transport of ECs in aquatic environments.
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Affiliation(s)
- Xuneng Tong
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
| | - Luhua You
- E2S2-CREATE, NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore
| | - Jingjie Zhang
- E2S2-CREATE, NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore; Shenzhen Municipal Engineering Lab of Environmental IoT Technologies, Southern University of Science and Technology, Shenzhen 518055, China; Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China.
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Karina Yew-Hoong Gin
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore; E2S2-CREATE, NUS Environmental Research Institute, National University of Singapore, 1 Create way, Create Tower, #15-02, Singapore 138602, Singapore.
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41
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Divya S, Oh TH. Polymer Nanocomposite Membrane for Wastewater Treatment: A Critical Review. Polymers (Basel) 2022; 14:polym14091732. [PMID: 35566901 PMCID: PMC9100919 DOI: 10.3390/polym14091732] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 04/21/2022] [Indexed: 02/04/2023] Open
Abstract
With regard to global concerns, such as water scarcity and aquatic pollution from industries and domestic activities, membrane-based filtration for wastewater treatment has shown promising results in terms of water purification. Filtration by polymeric membranes is highly efficient in separating contaminants; however, such membranes have limited applications. Nanocomposite membranes, which are formed by adding nanofillers to polymeric membrane matrices, can enhance the filtration process. Considerable attention has been given to nanofillers, which include carbon-based nanoparticles and metal/metal oxide nanoparticles. In this review, we first examined the current status of membrane technologies for water filtration, polymeric nanocomposite membranes, and their applications. Additionally, we highlight the challenges faced in water treatment in developing countries.
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Kan X, Feng S, Mei X, Sui Q, Zhao W, Lyu S, Sun S, Zhang Z, Yu G. Quantitatively identifying the emission sources of pharmaceutically active compounds (PhACs) in the surface water: Method development, verification and application in Huangpu River, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152783. [PMID: 34990669 DOI: 10.1016/j.scitotenv.2021.152783] [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: 11/19/2021] [Revised: 12/26/2021] [Accepted: 12/26/2021] [Indexed: 05/13/2023]
Abstract
Recognizing the main sources of pharmaceutically active compounds (PhACs) found in surface waters has been a challenge to the effective control of PhAC contamination from the sources. In the present study, a novel method based on Characteristic Matrix (ChaMa) model of indicator PhACs to quantitatively identify the contribution of multiple emission sources was developed, verified, and applied in Huangpu River, Shanghai. Carbamazepine (CBZ), caffeine (CF) and sulfadiazine (SDZ) were proposed as indicators. Their occurrence patterns in the corresponding emission sources and the factor analysis of their composition in the surface water samples were employed to construct the ChaMa model and develop the source apportionment method. Samples from typical emission sources were collected and analyzed as hypothetical surface water samples, to verify the method proposed. The results showed that the calculated contribution proportions of emission sources to the corresponding source samples were 45%-85%, proving the feasibility of the method. Finally, the method was applied to different sections in Huangpu River, and the results showed that livestock wastewater was the dominant emission source, accounting for 55%-73% in the upper reach of Huangpu River. Untreated municipal wastewater was dominant in the middle and lower reaches of Huangpu River, accounting for 76%-94%. This novel source apportionment method allows the quantitative identification of the contribution of multiple PhAC emission sources. It can be replicated in other regions where the occurrence of localized indicators was available, and will be helpful to control the contamination of PhACs in the water environment from the major sources.
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Affiliation(s)
- Xiping Kan
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shengya Feng
- School of Mathematics, East China University of Science and Technology, Shanghai 200237, China
| | - Xuebing Mei
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Qian Sui
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Wentao Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Shuguang Lyu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Shuying Sun
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ziwei Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Gang Yu
- Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China
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Pamuru ST, Forgione E, Croft K, Kjellerup BV, Davis AP. Chemical characterization of urban stormwater: Traditional and emerging contaminants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:151887. [PMID: 34826480 DOI: 10.1016/j.scitotenv.2021.151887] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/29/2021] [Accepted: 11/18/2021] [Indexed: 06/13/2023]
Abstract
Increases in urbanization have led to increased stormwater runoff and mobilization of pollutants from urban watersheds. Discharge of these pollutants often leads to contamination of receiving water bodies. Chemical characterization of urban stormwater is necessary to gain deeper insights into the ecological impacts of urban runoff and to evaluate parameters that influence possible treatment technologies. This study assessed stormwater event mean concentrations and particle size fractions from field studies reported in national/international stormwater quality databases (The National Stormwater Quality and The Best Management Practices databases) and peer-reviewed literature. This characterization of urban stormwater includes statistical evaluation of probability distribution, consideration of dissolved and particulate-bound pollutants and focuses on partitioning and speciation behavior. Solids, nutrients, metals, organic pollutants, and bacterial pathogen indicators were evaluated. A significant fraction of stormwater phosphorus, metals and organic pollutants are particle-bound. Results from the speciation of metals demonstrated that metals are predominantly present as either inner-sphere or electrostatic complexes with dissolved organic matter. This study provides a comprehensive overview of the myriad pollutants found in urban stormwater and provides a starting point for addressing ubiquitous and emerging contaminants. Finally, research needs for further detailed stormwater characterization were identified.
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Affiliation(s)
- Sai Thejaswini Pamuru
- Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, United States of America
| | - Erica Forgione
- Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, United States of America
| | - Kristen Croft
- Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, United States of America
| | - Birthe V Kjellerup
- Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, United States of America
| | - Allen P Davis
- Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, United States of America.
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Removal of Emerging Contaminants as Diclofenac and Caffeine Using Activated Carbon Obtained from Argan Fruit Shells. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12062922] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Activated carbons from argan nutshells were prepared by chemical activation using phosphoric acid H3PO4. This material was characterized by thermogravimetric analysis, infrared spectrometry, and the Brunauer–Emmett–Teller method. The adsorption of two emerging compounds, a stimulant caffeine and an anti-inflammatory drug diclofenac, from distilled water through batch and dynamic tests was investigated. Batch mode experiments were conducted to assess the capacity of adsorption of caffeine and diclofenac from an aqueous solution using the carbon above. Adsorption tests showed that the equilibrium time is 60 and 90 min for diclofenac and caffeine, respectively. The adsorption of diclofenac and caffeine on activated carbon from argan nutshells is described by a pseudo-second-order kinetic model. The highest adsorption capacity determined by the mathematical model of Langmuir is about 126 mg/g for diclofenac and 210 mg/g for caffeine. The thermodynamic parameters attached to the studied absorbent/adsorbate system indicate that the adsorption process is spontaneous and exothermic for diclofenac and endothermic for caffeine.
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Do QTT, Otaki M, Otaki Y, Tushara C, Sanjeewa IW. Pharmaceutical Contaminants in Shallow Groundwater and Their Implication for Poor Sanitation Facilities in Low-Income Countries. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:266-274. [PMID: 33978268 DOI: 10.1002/etc.5110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/31/2021] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
Rudimentary on-site sanitation systems (OSSs) are extensively used in low-income countries despite the risk of groundwater contamination. The present study investigated the potential impact of community soak pits on sandy shallow aquifers in a rural area in Sri Lanka. Thirty-two groundwater samples were collected and measured for the traditional indicators fecal bacteria Escherichia coli, total coliforms, nitrate, and chloride; 7 pharmaceuticals were added as wastewater indicators. Analysis showed that the local groundwater is infected by fecal bacteria, but it was unable to determine whether the source of fecal bacteria is the OSSs. Similarly, nitrate and chloride provided unclear evidence. Conversely, detection of 3 pharmaceuticals at trace levels in groundwater evidenced wastewater impact from OSSs. Caffeine was detected in 89% of the sample at a maximum concentration 7.9 ng/L, indicating fecal pollution. Carbamazepine was detected in 42% of the samples with a concentration of up to 6.9 ng/L, whereas sulfamethoxazole was detected in only 2 samples. The presence of carbamazepine and sulfamethoxazole was also consistent with recorded drug use of the residents. Escherichia coli showed a moderate positive correlation with caffeine concentration (Kendall's τ = 0.38, p = 0.017), indicating concurring short-lifetime fecal bacteria and labile wastewater organic compounds. Nitrate showed a significant correlation with carbamazepine concentration (τ = 0.39, p = 0.016). Fecal bacteria and nitrate can be used in screening for micropollutants in domestic wells impacted by OSSs. The present case study emphasizes the potential impact of poor sanitation on groundwater resources and the necessity of sanitation improvement in achieving Sustainable Development Goals in developing countries. Environ Toxicol Chem 2022;41:266-274. © 2021 SETAC.
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Affiliation(s)
- Quyen Thi Thuy Do
- Department of Human Centered Engineering, Ochanomizu University, Tokyo, Japan
| | - Masahiro Otaki
- Faculty of Core Research, Natural Science Division, Ochanomizu University, Tokyo, Japan
| | - Yurina Otaki
- Graduate School of Social Sciences, Hitotsubashi University, Tokyo, Japan
| | - Chaminda Tushara
- Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka
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Jiang Q, Feng M, Ye C, Yu X. Effects and relevant mechanisms of non-antibiotic factors on the horizontal transfer of antibiotic resistance genes in water environments: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150568. [PMID: 34627113 DOI: 10.1016/j.scitotenv.2021.150568] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/27/2021] [Accepted: 09/20/2021] [Indexed: 05/17/2023]
Abstract
Antibiotic resistance has created obstacles in the treatment of infectious diseases with antibiotics. The horizontal transfer of antibiotic resistance genes (ARGs) can exacerbate the dissemination of antibiotic resistance in water environments. In addition to antibiotic selective pressure, multiple non-antibiotic factors can affect the horizontal transfer of ARGs. Herein, we seek to comprehensively review the effects and relevant mechanisms of non-antibiotic factors on the horizontal transfer of ARGs in water environments, especially contaminants from human activities and water treatment processes. Four pathways have been identified to accomplish horizontal gene transfer (HGT), i.e., conjugation, transformation, transduction, and vesiduction. Changes in conjugative frequencies by non-antibiotic factors are mainly related to their concentrations, which conform to hormesis. Relevant mechanisms involve the alteration in cell membrane permeability, reactive oxygen species, SOS response, pilus, and mRNA expression of relevant genes. Transformation induced by extracellular DNA may be more vulnerable to non-antibiotic factors than other pathways. Except bacteriophage infection, the effects of non-antibiotic factors on transduction exhibit many similarities with that of conjugation. Given the secretion of membrane vesicles stimulated by non-antibiotic factors, their effects on vesiduction can be inferred. Furthermore, contaminants from human activities at sub-inhibitory or environmentally relevant concentrations usually promote HGT, resulting in further dissemination of antibiotic resistance. The horizontal transfer of ARGs is difficult to be inhibited by individual water treatment processes (e.g., chlorination, UV treatment, and photocatalysis) unless they attain sufficient intensity. Accordingly, the synergistic application containing two or more water treatment processes is recommended. Overall, we believe this review can elucidate the significance for risk assessments of contaminants from human activities and provide insights into the development of environment-friendly and cost-efficient water treatment processes to inhibit the horizontal transfer of ARGs.
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Affiliation(s)
- Qi Jiang
- College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Mingbao Feng
- College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Chengsong Ye
- College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Xin Yu
- College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
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Abstract
Modern urbanized societies are facing serious challenges in the maintenance of their water resources [...]
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48
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Nguyen XC, Ly QV, Nguyen TTH, Ngo HTT, Hu Y, Zhang Z. Potential application of machine learning for exploring adsorption mechanisms of pharmaceuticals onto biochars. CHEMOSPHERE 2022; 287:132203. [PMID: 34826908 DOI: 10.1016/j.chemosphere.2021.132203] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/14/2021] [Accepted: 09/06/2021] [Indexed: 06/13/2023]
Abstract
The increasing accumulation of pharmaceuticals in aquatic ecosystems could impair freshwater quality and threaten human health. Despite the adsorption of pharmaceuticals on biochars is one of the most cost-effective and eco-friendly removal methods, the wide variation of experimental designs and research aims among previous studies pose significant challenge in selecting biochar for optimal removal. In this work, literature data of 1033 sets with 21 variables collected from 267 papers over ten years (2010-2020) covering 19 pharmaceuticals onto 88 biochars were assessed by different machine learning (ML) algorithms i.e., Linear regression model (LM), Feed-forward neural networks (NNET), Deep neutral networks (DNN), Cubist, K-nearest neighbor (KNN), and Random forest (RF), to predict equilibrium adsorption capacity (Qe) and explore adsorption mechanisms. LM showed the best performance on ranking importance of input variables. Except for initial concentration of pharmaceuticals, Qe was strongly governed by biochars' properties including specific surface area (BET), pore volume (PV), and pore structure (PS) rather than pharmaceuticals' properties and experimental conditions. The most accurate model for estimating Qe was achieved by Cubist, followed by KNN, RF, KNN, NNET and LM. The generalization ability was observed by the tuned Cubist with 26 rules for the prediction of the unseen data. This study not only provides an insightful evidence for data-based adsorption mechanisms of pharmaceuticals on biochars, but also offers a potential method to accurately predict the biochar adsorption performance without conducting any experiments, which will be of high interests in practice in terms of water/wastewater treatment using biochars.
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Affiliation(s)
- Xuan Cuong Nguyen
- Laboratory of Energy and Environmental Science, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Vietnam
| | - Quang Viet Ly
- Institute of Environmental Engineering & Nano-Technology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, China.
| | - Thi Thanh Huyen Nguyen
- Laboratory of Energy and Environmental Science, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Vietnam
| | - Hien Thi Thu Ngo
- Department of Public Health, Faculty of Health Sciences, Thang Long University, Hanoi, Vietnam
| | - Yunxia Hu
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, School of Materials Science and Engineering, Tiangong University, Tianjin, 300387, PR China
| | - Zhenghua Zhang
- Institute of Environmental Engineering & Nano-Technology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, China.
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Mohd Hanafiah Z, Wan Mohtar WHM, Abd Manan TSB, Bachi' NA, Abdullah NA, Abd Hamid HH, Beddu S, Mohd Kamal NL, Ahmad A, Wan Rasdi N. The occurrence of non-steroidal anti-inflammatory drugs (NSAIDs) in Malaysian urban domestic wastewater. CHEMOSPHERE 2022; 287:132134. [PMID: 34517236 DOI: 10.1016/j.chemosphere.2021.132134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/29/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
The water stream has been reported to contain non-steroidal anti-inflammatory drugs (NSAIDs), released from households and premises through discharge from Sewage Treatment Plant (STP). This research identifies commonly consumed NSAIDs namely ibuprofen (IBU), diclofenac (DIC), ketoprofen (KET) and naproxen (NAP) in the influent wastewater from two urban catchments (i.e. 2 STPs). We expand our focus to assess the efficiency of monomer (C18) and dimer (HLB) types of sorbents in the solid phase extraction method followed by gas chromatography mass spectrometry (GCMS) analysis and optimize model prediction of NSAIDs in the influent wastewater using I-Optimal design. The ecological risk assessment of the NSAIDs was evaluated. The HLB produced reliable analysis for all NSAIDs under study (STP1: 6.7 × 10-3 mg L-1 to 2.21 × 10-1 mg L-1, STP2: 1.40 × 10-4 mg L-1 to 9.72 × 10-2 mg L-1). The C18 however, selective to NAP. Based on the Pearson proximity matrices, the DICHLB can be a good indicator for IBUHLB (0.565), NAPC18 (0.721), NAPHLB (0.566), and KETHLB (0.747). The optimized model prediction for KET and NAP based on DIC are successfully validated. The risk quotients (RQ) values of NSAIDs were classified as high (RQ > 1), medium (RQ, 0.1-1) and low (RQ, 0.01-0.1) risks. The optimized models are beneficial for major NSAIDs (KET and NAP) monitoring in the influent wastewater of urban domestic area. An upgrade on the existing wastewater treatment infrastructure is recommended to counteract current water security situation.
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Affiliation(s)
- Zarimah Mohd Hanafiah
- Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor Darul Ehsan, 43600, Malaysia
| | - Wan Hanna Melini Wan Mohtar
- Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor Darul Ehsan, 43600, Malaysia.
| | - Teh Sabariah Binti Abd Manan
- Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman, 21030, Malaysia.
| | - Nur Aina Bachi'
- Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor Darul Ehsan, 43600, Malaysia
| | - Nor Azura Abdullah
- Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor Darul Ehsan, 43600, Malaysia
| | - Haris Hafizal Abd Hamid
- Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor Darul Ehsan, 43600, Malaysia
| | - Salmia Beddu
- Department of Civil Engineering, Universiti Tenaga Nasional, Jalan Ikram-Uniten, Kajang, Selangor Darul Ehsan, 43000, Malaysia
| | - Nur Liyana Mohd Kamal
- Department of Civil Engineering, Universiti Tenaga Nasional, Jalan Ikram-Uniten, Kajang, Selangor Darul Ehsan, 43000, Malaysia
| | - Amirrudin Ahmad
- Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman, 21030, Malaysia; Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman, 21030, Malaysia
| | - Nadiah Wan Rasdi
- Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman, 21030, Malaysia; Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman, 21030, Malaysia
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50
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Pulicharla R, Proulx F, Behmel S, Sérodes JB, Rodriguez MJ. Spatial and temporal variability of contaminants of emerging concern in a drinking water source. RSC Adv 2022; 12:20876-20885. [PMID: 35919150 PMCID: PMC9301962 DOI: 10.1039/d2ra02962f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/12/2022] [Indexed: 12/07/2022] Open
Abstract
The spatial–temporal behaviour of contaminants of emerging concern (CECs) are not well-documented in drinking water sources, including in Quebec, Canada.
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Affiliation(s)
- Rama Pulicharla
- École supérieure d'aménagement du territoire et de développement régional, Pavillon Félix-Antoine-Savard, Université Laval, Bureau 1616, 2325, rue des Bibliothèques, Québec, QC G1V 0A6, Canada
- Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, Ontario, M3J 1P3, Canada
| | - Francois Proulx
- École supérieure d'aménagement du territoire et de développement régional, Pavillon Félix-Antoine-Savard, Université Laval, Bureau 1616, 2325, rue des Bibliothèques, Québec, QC G1V 0A6, Canada
| | | | - Jean-B. Sérodes
- École supérieure d'aménagement du territoire et de développement régional, Pavillon Félix-Antoine-Savard, Université Laval, Bureau 1616, 2325, rue des Bibliothèques, Québec, QC G1V 0A6, Canada
- Département de Génie civil et génie des eaux, Pavillon Pouliot, Université Laval, Québec, QC G1V 0A6, Canada
| | - Manuel J. Rodriguez
- École supérieure d'aménagement du territoire et de développement régional, Pavillon Félix-Antoine-Savard, Université Laval, Bureau 1616, 2325, rue des Bibliothèques, Québec, QC G1V 0A6, Canada
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