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Sharma D, Inbaraj MP, Naz A, Chowdhury A. Fate, source apportionment and fractionation of potentially toxic elements in agricultural soil around a densely populated, semiarid urban center of India: baseline study and ecological risk assessment. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:207. [PMID: 38767770 DOI: 10.1007/s10653-024-01997-2] [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: 11/19/2023] [Accepted: 04/14/2024] [Indexed: 05/22/2024]
Abstract
This study is on the outskirts of the rapidly growing city of Jaipur, located in the semiarid region of India and gateway to the 'Great Indian Thar' desert, and focused on potentially toxic elements (PTE) pollution in the farmlands around the city. Concentrations of PTE, along with associated soil parameters such as pH, available nitrogen, organic carbon, phosphorus, and potassium, were estimated in agricultural soil samples near an industrial region on the outskirts of the capital city of the largest state of India. The PTE concentrations in the soil were in the following order: Mn > Pb > Ni > Cr > Cu > Cd. Soil pollution indices, such as the geochemical accumulation index (Igeo), contamination factor (CF), and ecological risk index (ERI), indicated that the soil was moderately to highly polluted. The result of BCR extraction techniques showed Cd is found mainly in the exchangeable and residual fractions, Pb, Mn were found in the reducible as well as residual fractions, while other PTE were mostly bound to residual fraction. All other PTEs are primarily found in the residual fraction, tightly linked with the silicate lattice of soil minerals. Multivariate analysis and the Pearson correlation matrix indicate a common source apportionment for Pb and Cd. Cd, and Pb concentrations in agricultural soil indicate ecological harm that warrants immediate attention and policy-level intervention.
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Affiliation(s)
- Diksha Sharma
- Department of Chemistry, School of Basic Science, Manipal University Jaipur, Jaipur, Rajasthan, 303007, India
| | - Michel Prabhu Inbaraj
- Department of Chemistry, School of Basic Science, Manipal University Jaipur, Jaipur, Rajasthan, 303007, India
| | - Aliya Naz
- Jindal School of Liberal Arts and Humanities, O.P. Jindal Global University, Sonipat, Haryana, 131001, India
| | - Abhiroop Chowdhury
- Jindal School of Environment and Sustainability, O.P. Jindal Global University, Sonipat, Haryana, 131001, India.
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2
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Al-Obaidi JR, Jamaludin AA, Rahman NA, Ahmad-Kamil EI. How plants respond to heavy metal contamination: a narrative review of proteomic studies and phytoremediation applications. PLANTA 2024; 259:103. [PMID: 38551683 DOI: 10.1007/s00425-024-04378-2] [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: 09/09/2023] [Accepted: 03/07/2024] [Indexed: 04/02/2024]
Abstract
MAIN CONCLUSION Heavy metal pollution caused by human activities is a serious threat to the environment and human health. Plants have evolved sophisticated defence systems to deal with heavy metal stress, with proteins and enzymes serving as critical intercepting agents for heavy metal toxicity reduction. Proteomics continues to be effective in identifying markers associated with stress response and metabolic processes. This review explores the complex interactions between heavy metal pollution and plant physiology, with an emphasis on proteomic and biotechnological perspectives. Over the last century, accelerated industrialization, agriculture activities, energy production, and urbanization have established a constant need for natural resources, resulting in environmental degradation. The widespread buildup of heavy metals in ecosystems as a result of human activity is especially concerning. Although some heavy metals are required by organisms in trace amounts, high concentrations pose serious risks to the ecosystem and human health. As immobile organisms, plants are directly exposed to heavy metal contamination, prompting the development of robust defence mechanisms. Proteomics has been used to understand how plants react to heavy metal stress. The development of proteomic techniques offers promising opportunities to improve plant tolerance to toxicity from heavy metals. Additionally, there is substantial scope for phytoremediation, a sustainable method that uses plants to extract, sequester, or eliminate contaminants in the context of changes in protein expression and total protein behaviour. Changes in proteins and enzymatic activities have been highlighted to illuminate the complex effects of heavy metal pollution on plant metabolism, and how proteomic research has revealed the plant's ability to mitigate heavy metal toxicity by intercepting vital nutrients, organic substances, and/or microorganisms.
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Affiliation(s)
- Jameel R Al-Obaidi
- Department of Biology, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak, Malaysia.
- Applied Science Research Center, Applied Science Private University, Amman, Jordan.
| | - Azi Azeyanty Jamaludin
- Department of Biology, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak, Malaysia
- Center of Biodiversity and Conservation, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak, Malaysia
| | - Norafizah Abdul Rahman
- Gene Marker Laboratory, Faculty of Agriculture and Life Sciences (AGLS), Science South Building, Lincoln University, Lincoln, 7608, Canterbury, New Zealand
| | - E I Ahmad-Kamil
- Malaysian Nature Society (MNS), JKR 641, Jalan Kelantan, Bukit Persekutuan, 50480, Kuala Lumpur, Malaysia.
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Wang J, Lai Y, Wang X, Ji H. Advances in ultrasonic treatment of oily sludge: mechanisms, industrial applications, and integration with combined treatment technologies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:14466-14483. [PMID: 38296931 DOI: 10.1007/s11356-024-32089-4] [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: 09/08/2023] [Accepted: 01/16/2024] [Indexed: 02/02/2024]
Abstract
In the petroleum sector, the generation of oily sludge is an unavoidable byproduct, necessitating the development of efficient treatment strategies for both economic gain and the mitigation of negative environmental impacts. The intricate composition of oily sludge poses a formidable challenge, as existing treatment methodologies frequently fall short of achieving baseline disposal criteria. The processes of demulsification and dehydration are integral to diminishing the oil content and reclaiming valuable crude oil, thereby playing a critical role in the management of oily sludge. Among the myriad of treatment solutions, ultrasonic technology has emerged as a particularly effective physical method, celebrated for its diverse applications and lack of resultant secondary pollution. This comprehensive review delves into the underlying mechanisms and recent progress in the ultrasonic treatment of oily sludge, with a specific focus on its industrial implementations within China. Both isolated ultrasonic treatment and its combination with other technological approaches have proven successful in addressing oily sludge challenges. The adoption of industrial-scale systems that amalgamate ultrasound with multi-technological processes has shown marked enhancements in treatment efficacy. The fusion of ultrasonic technology with other cutting-edge methods holds considerable potential across a spectrum of applications. To fulfill the goals of resource recovery, reduction, and neutralization in oily sludge management, the industrial adoption and adept application of a variety of treatment technologies are imperative.
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Affiliation(s)
- Jian Wang
- University of Science and Technology Beijing, Beijing, China
| | - Yujian Lai
- University of Science and Technology Beijing, Beijing, China
| | - Xuemei Wang
- University of Science and Technology Beijing, Beijing, China
| | - Hongbing Ji
- University of Science and Technology Beijing, Beijing, China.
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4
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Krasavtseva E, Maksimova V, Slukovskaya M, Ivanova T, Mosendz I, Elizarova I. Accumulation and Translocation of Rare Trace Elements in Plants near the Rare Metal Enterprise in the Subarctic. TOXICS 2023; 11:898. [PMID: 37999550 PMCID: PMC10674527 DOI: 10.3390/toxics11110898] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/25/2023]
Abstract
Mining activities create disturbed and polluted areas in which revegetation is complicated, especially in northern areas. For the first time, the state of the ecosystems in the impact zone of tailings formed during the processing of rare earth element deposits in the Subarctic have been studied. This work aimed to reveal aspects of accumulation and translocation of trace and biogenic elements in plants (Avenella flexuosa (L.) Drejer, Salix sp., and Betula pubescens Ehrh.) that are predominantly found in primary ecosystems on the tailings of loparite ores processing. The chemical composition of soil, initial and washed plant samples was analyzed using inductively coupled plasma mass spectrometry. Factor analysis revealed that anthropogenic and biogenic factors affected the plants' chemical composition. A deficiency of nutrients (Ca, Mg, Mn) in plants growing on tailings was found. The absorption of REE (Ce, La, Sm, Nd) by A. flexuosa roots correlated with the soil content of these elements and was maximal in the hydromorphic, which had a high content of organic matter. The content of these elements in leaves in the same site was minimal; the coefficient of REE bioaccumulation was two orders of magnitude less than in the other two sites. The high efficiency of dust capturing and the low translocation coefficient of trace elements allow us to advise A. flexuosa for remediation of REE-contained tailings and soils.
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Affiliation(s)
- Eugenia Krasavtseva
- Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic Region, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14, 184209 Apatity, Russia; (V.M.); (M.S.); (T.I.); (I.M.)
- Institute of North Industrial Ecology Problems, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14a, 184209 Apatity, Russia;
| | - Victoria Maksimova
- Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic Region, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14, 184209 Apatity, Russia; (V.M.); (M.S.); (T.I.); (I.M.)
- Institute of North Industrial Ecology Problems, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14a, 184209 Apatity, Russia;
| | - Marina Slukovskaya
- Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic Region, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14, 184209 Apatity, Russia; (V.M.); (M.S.); (T.I.); (I.M.)
- I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 26a, 184209 Apatity, Russia
| | - Tatiana Ivanova
- Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic Region, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14, 184209 Apatity, Russia; (V.M.); (M.S.); (T.I.); (I.M.)
- I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 26a, 184209 Apatity, Russia
| | - Irina Mosendz
- Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic Region, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14, 184209 Apatity, Russia; (V.M.); (M.S.); (T.I.); (I.M.)
- I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 26a, 184209 Apatity, Russia
| | - Irina Elizarova
- Institute of North Industrial Ecology Problems, Kola Science Centre, Russian Academy of Sciences, Fersmana St., 14a, 184209 Apatity, Russia;
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Collot J, Binet P, Malabad AM, Pauget B, Toussaint ML, Chalot M. Floristic survey, trace element transfers between soil and vegetation and human health risk at an urban industrial wasteland. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132169. [PMID: 37523956 DOI: 10.1016/j.jhazmat.2023.132169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 08/02/2023]
Abstract
This study aimed to determine the trace element accumulation in the soil and plants in an industrial wasteland and to estimate the extent of transfer to humans to measure the effects on and risks to vegetation and human health and find bioindicator plants representative of the levels of the main contaminants. In areas with the highest extractable trace element levels, we observed decreases in plant biodiversity explained by the disappearance of several families, favouring the coverage of tolerant species, such as Urtica dioica and Hedera helix. Trace elements were also found in the leaves of several plants, especially in a dominant species that is poorly studied, Alliaria petiolata. Indeed, this species had the highest contents of Zn (1750 mg.kg-1 DW), Ni (13.1 mg.kg-1 DW), and Cd (18 mg.kg-1 DW) found at the site and is a potential Zn bioindicator since its leaf contents were also representative of the Zn extractable contents in soil (R² = 0.94). The hazard quotient and carcinogen risk revealed that most of the site had an identified or possible risk, mainly due to Pb and As. Native species, especially A. petiolata, could be used in phytoextraction to manage and limit these human and environmental risks.
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Affiliation(s)
- Jordan Collot
- Chrono-Environnement UMR6249, Université Franche-Comté CNRS, F-25000 Besançon, France
| | - Philippe Binet
- Chrono-Environnement UMR6249, Université Franche-Comté CNRS, F-25000 Besançon, France
| | | | - Benjamin Pauget
- TESORA, Le Visium, 22 avenue Aristide Briand, 94110 Arcueil, France
| | - Marie-Laure Toussaint
- Chrono-Environnement UMR6249, Université Franche-Comté CNRS, F-25000 Besançon, France
| | - Michel Chalot
- Chrono-Environnement UMR6249, Université Franche-Comté CNRS, F-25000 Besançon, France; Université de Lorraine, Faculté des Sciences et Technologies, Nancy 54000, France.
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Panda BP, Mohanta YK, Paul R, Prusty BAK, Parida SP, Pradhan A, Saravanan M, Patowary K, Jiang G, Joshi SJ, Sarma H. Assessment of environmental and carcinogenic health hazards from heavy metal contamination in sediments of wetlands. Sci Rep 2023; 13:16314. [PMID: 37770520 PMCID: PMC10539448 DOI: 10.1038/s41598-023-43349-7] [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: 05/14/2023] [Accepted: 09/22/2023] [Indexed: 09/30/2023] Open
Abstract
Sediment contamination jeopardizes wetlands by harming aquatic organisms, disrupting food webs, and reducing biodiversity. Carcinogenic substances like heavy metals bioaccumulate in sediments and expose consumers to a greater risk of cancer. This study reports Pb, Cr, Cu, and Zn levels in sediments from eight wetlands in India. The Pb (51.25 ± 4.46 µg/g) and Cr (266 ± 6.95 µg/g) concentrations were highest in Hirakud, Cu (34.27 ± 2.2 µg/g) in Bhadrak, and Zn (55.45 ± 2.93 µg/g) in Koraput. The mean Pb, Cr, and Cu values in sediments exceeded the toxicity reference value. The contamination factor for Cr was the highest of the four metals studied at Hirakud (CF = 7.60) and Talcher (CF = 6.97). Furthermore, high and moderate positive correlations were observed between Cu and Zn (r = 0.77) and Pb and Cr (r = 0.36), respectively, across all sites. Cancer patients were found to be more concentrated in areas with higher concentrations of Pb and Cr, which are more carcinogenic. The link between heavy metals in wetland sediments and human cancer could be used to make policies that limit people's exposure to heavy metals and protect their health.
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Affiliation(s)
- Bibhu Prasad Panda
- Salim Ali Centre for Ornithology and Natural History, South India Centre of Wildlife Institute of India, Coimbatore, Tamil Nadu, 641108, India
- Environmental Sciences, Department of Chemistry and BBRC, ITER, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, 751030, India
| | - Yugal Kishore Mohanta
- Nano-biotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya, Ri-Bhoi, Meghalaya, 793101, India
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital, and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu, 603103, India
| | - Rakesh Paul
- Department of Biodiversity and Conservation of Natural Resources, Central University of Odisha, Koraput, Odisha, 764021, India
| | - B Anjan Kumar Prusty
- Department of Environmental Studies, Berhampur University, Berhampur, Odisha, 760007, India
| | - Siba Prasad Parida
- Department of Zoology, School of Applied Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, 752050, India
| | - Abanti Pradhan
- Environmental Sciences, Department of Chemistry and BBRC, ITER, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, 751030, India
| | - Muthupandian Saravanan
- AMR and Nanomedicine Laboratory, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 600077, India
| | - Kaustuvmani Patowary
- Nano-biotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya, Ri-Bhoi, Meghalaya, 793101, India
| | - Guangming Jiang
- School of Civil, Mining, Environmental and Architectural Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Sanket J Joshi
- Oil & Gas Research Centre, Central Analytical and Applied Research Unit, Sultan Qaboos University, Muscat, Oman
| | - Hemen Sarma
- Bioremediation Technology Group, Department of Botany, Bodoland University, Rangalikhata, Deborgaon, Kokrajhar (BTR), Assam, 783370, India.
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7
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Chowdhury A, Naz A, Maiti SK. Distribution, speciation, and bioaccumulation of potentially toxic elements in the grey mangroves at Indian Sundarbans, in relation to vessel movements. MARINE ENVIRONMENTAL RESEARCH 2023; 189:106042. [PMID: 37329607 DOI: 10.1016/j.marenvres.2023.106042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/19/2023]
Abstract
Sundarban is the world's largest mangrove wetland and home of 4.6 million people (Indian part), whose principal mode of communication is motorized boats (ferries). This study shed light on the role played by ferry movement in the speciation (following the BCR three-step sequential extraction method), ecological impact and bioaccumulation of potentially toxic elements (PTEs) in plant tissues (root and lamina) of grey mangrove (Avicennia marina) found near the five ferry ghats (ports). One-way ANOVA showed variation in major soil parameters (silt, clay, organic carbon, pH, Electrical conductivity) and PTEs (As, Cd, Cr, Cu, Hg, and Pb) between sites. Sequential extraction revealed that Cd was present in the 'exchangeable' form across the sites, Pb was in the 'reducible' form, and the rest of the PTEs were majorly found in 'residual' phase. Pollution indices revealed moderate to heavy contamination and considerable potential ecological risk due to Cd. Pearson correlation statistics and concentration variations indicate a relation between Pb and ferry movement frequency in the sites. Higher bioconcentration of Pb in the roots of A. marina, indicates phytostabilization action. Translocation factor for Cd in the leaves, indicates phytoextraction by A. marina. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) showed a close association between vehicle movement and Hg, Pb, Silt fraction, electrical conductivity, Cr, and As. This study recommends regular pollution monitoring across Sundarbans, as the PTEs in sediment-plant matrix can impact the higher trophic levels, human health through possible biomagnification in the detritus food chain, and can adversely impact the existing conservation initiatives.
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Affiliation(s)
- Abhiroop Chowdhury
- Jindal School of Environment and Sustainability, O.P. Jindal Global University, Sonipat, Haryana 131001, India; Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India.
| | - Aliya Naz
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India; Jindal School of Liberal Arts and Humanities, O.P. Jindal Global University, Sonipat, Haryana, 131001, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India
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Baraud F, Leleyter L, Poree S, Lecomte T. Environmental availability of trace metals in a fired brick elaborated from a marine dredged sediment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:54914-54926. [PMID: 36881230 DOI: 10.1007/s11356-023-26163-6] [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: 09/19/2022] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Each year, hundreds of millions of tons of sediments are dredged around the world. Alternatively to sea or land disposal, the reuse of these sediments as raw material in various civil engineering applications is developing. In this context, the French SEDIBRIC project (valorisation de SEDIments en BRIQues et tuiles) aims to replace, in the preparation of clay-fired bricks, a part of natural clays by harbor dredged sediments. The present study focuses on the fate of some potentially toxic elements (Cd, Cr, Cu, Ni, Pb, and Zn) that are initially present in the sediments. A fired brick is elaborated exclusively from one dredged sediment, after a desalination step. The total content of each element of interest is evaluated by ICP-AES, after a microwave-assisted acid (aqua regia) digestion, in the raw sediment and in the brick. Then, single extractions (H2O, HCl, or EDTA as reactant) and one sequential extraction procedure (according to Leleyter and Probst, Int J Environ Anal Chem 73(2): 109-128 1999) are applied to the raw sediment and to the brick, in order to assess the environmental availability of the elements of interest. For Cu, Ni, Pb, and Zn, the results obtained with the various extractions procedures applied are consistent and confirm that the firing process induces their stabilization in the brick. The availability however increases for Cr and remains unchanged for Cd.
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Affiliation(s)
- Fabienne Baraud
- Normandie Univ, UNICAEN, ABTE EA 4651, Boulevard du Maréchal Juin, Bât Sciences 2, 14032, Caen Cedex, France.
| | - Lydia Leleyter
- Normandie Univ, UNICAEN, ABTE EA 4651, Boulevard du Maréchal Juin, Bât Sciences 2, 14032, Caen Cedex, France
| | - Sandra Poree
- Normandie Univ, UNICAEN, ABTE EA 4651, Boulevard du Maréchal Juin, Bât Sciences 2, 14032, Caen Cedex, France
| | - Tristan Lecomte
- Normandie Univ, UNICAEN, ABTE EA 4651, Boulevard du Maréchal Juin, Bât Sciences 2, 14032, Caen Cedex, France
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Jiang H, Wu S, Zhou J. Preparation and modification of nanocellulose and its application to heavy metal adsorption: A review. Int J Biol Macromol 2023; 236:123916. [PMID: 36898461 DOI: 10.1016/j.ijbiomac.2023.123916] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 02/18/2023] [Accepted: 02/28/2023] [Indexed: 03/11/2023]
Abstract
Heavy metals are a notable pollutant in aquatic ecosystems that results in many deadly diseases of the human body after enrichment through the food chain. As an environmentally friendly renewable resource, nanocellulose can be competitive with other materials at removing heavy metal ions due to its large specific surface area, high mechanical strength, biocompatibility and low cost. In this review, the research status of modified nanocellulose for heavy metal adsorbents is primarily reviewed. Two primary forms of nanocellulose are cellulose nanocrystals (CNCs) and cellulose nanofibers (CNFs). The preparation process of nanocellulose was derived from natural plants, and the preparation process included noncellulosic constituent removal and extraction of nanocellulose. Focusing on heavy metal adsorption, the modification of nanocellulose was explored in depth, including direct modification methods, surface grafting modification methods based on free radical polymerization and physical activation. The adsorption principles of nanocellulose-based adsorbents when removing heavy metals are analyzed in detail. This review may further facilitate the application of the modified nanocellulose in the field of heavy metal removal.
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Affiliation(s)
- Haoyuan Jiang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China
| | - Simiao Wu
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China.
| | - Jizhi Zhou
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, PR China.
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Lazo P, Lazo A, Hansen HK, Ortiz-Soto R, Hansen ME, Arévalo F, Gutiérrez C. Removal of Heavy Metals from Mine Tailings in Central Chile Using Solidago chilensis Meyen, Haplopappus foliosus DC, and Lycium chilense Miers ex Bertero. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2749. [PMID: 36768113 PMCID: PMC9916048 DOI: 10.3390/ijerph20032749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Mining activities have been a part of the history of Chile since time immemorial, generating pollution and environmental liabilities. Due to the lack of regulation, many tailings are deposited close to rivers or/and on unstable ground, near which towns have been built, generally in locations with no budget for their treatment. This study tested three plant species from Northern and Central Chile to remove total chromium, nickel, and zinc from tailings: Solidago chilensis, Haplopappus foliosus, and Lycium chilense, which complements the few existing studies on heavy metals removal with native or endemic Chilean shrubs. The experiments were conducted ex situ, and the initial and final concentrations of metals were determined in tailings and plants to obtain the removal efficiency, translocation and bioconcentration factors. Among these species, the best performance was obtained using Solidago chilensis, achieving removal efficiencies of 24% for Cr, 19% for Ni, and 17% for Zn, showing the ability to phytostabilize chromium and the higher resistance concerning the toxicity threshold. Haplopappus foliosus and Lycium chilense presented a slight tendency to stabilize chromium. Only Solidago chilensis showed little ability to extract Zn.
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Affiliation(s)
- Pamela Lazo
- Instituto de Química y Bioquímica, Facultad de Ciencias, Universidad de Valparaíso, Avenida Gran Bretaña 1111, Playa Ancha, Valparaíso 2360102, Chile
| | - Andrea Lazo
- Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
| | - Henrik K. Hansen
- Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
| | - Rodrigo Ortiz-Soto
- Escuela de Ingeniería Química, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2162, Valparaíso 2340025, Chile
| | - Marcela E. Hansen
- Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
| | - Felipe Arévalo
- Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
| | - Claudia Gutiérrez
- Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
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Verma S, Sinha A. Appraisal of groundwater arsenic on opposite banks of River Ganges, West Bengal, India, and quantification of cancer risk using Monte Carlo simulations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:25205-25225. [PMID: 35038100 DOI: 10.1007/s11356-021-17902-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/29/2021] [Indexed: 06/14/2023]
Abstract
This study was conducted to inspect the spatial distribution, source identification, and risk assessment of groundwater arsenic (As) in different blocks that lie on the opposite banks of river Bhagirathi (a distributary of river Ganges), Murshidabad, West Bengal, India. It has been observed that the blocks that lie towards the eastern bank of river Bhagirathi have elevated arsenic and comparatively more reducing groundwater (lower oxidation-reduction potential and high iron). About 66% of groundwater samples across the district have arsenic concentration higher than the World Health Organization (WHO) permissible limit. Speciation of groundwater arsenic reveals that about 90% of arsenic species were present as arsenic (III). Further, principal component analysis (PCA) was employed to identify the controlling factors that favor the release of arsenic. PC1 comprises EC, TDS, As, Fe, TOC, and HCO3- with moderate loadings, which suggests microbially mediated degradation of organic matter (OM), helps in reductive dissolution of arsenic-bearing Fe-Mn oxyhydroxides. Results pointed out severe groundwater arsenic poisoning; hence, a health risk assessment was performed for the exposure of arsenic in groundwater, using incremental lifetime cancer risk (ILCR) models coupled with Monte Carlo simulations. On the eastern bank of river Bhagirathi, incremental lifetime cancer risk (ILCR) due to oral exposure (5th to 95th percentile values) ranged from 1.30538E - 04 to 9.31398E - 03 with a mean of 2.84194E - 03 for adults, which is 2841 times higher than the USEPA high safety risk guidelines of one in 1 million. The outcomes of the results will be useful for the policymakers and regulatory boards in defining the actual impact and deciding the pre-remediation goals.
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Affiliation(s)
- Sitaram Verma
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.
| | - Alok Sinha
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
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Brudzińska-Kosior A, Kosior G, Sporek M, Ziembik Z, Zinicovscaia I, Frontasyeva M, Dołhańczuk-Śródka A. Nuclear analytical techniques used to study the trace element content of Centaurium erythraea Rafn, a medicinal plant species from sites with different pollution loads in Lower Silesia (SW Poland). PLoS One 2023; 18:e0285306. [PMID: 37200270 DOI: 10.1371/journal.pone.0285306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/20/2023] [Indexed: 05/20/2023] Open
Abstract
Centaurium erythraea (Gentianaceae) is a medicinal plant species with therapeutic potential officially listed in the pharmacopoeias of many European, Asian and American countries. It has had many uses in natural medicine since ancient times and it is collected mostly from wild populations. The aim of this study is to investigate the trace element composition of C. erythraea using instrumental neutron activation analysis (INAA). The results of the performed investigations show that INAA has proved to be an efficient analytical technique for the determination of trace elements in medicinal plants. The studied plant contains elements important to the human diet and metabolism that are needed for growth, development and the prevention and curing of disease. A comparison with the reference levels of elements for plants shows that the concentrations of most elements in C. erythraea collected from all types of sites exceed those regarded as the reference. Compared to the values of the elements in C. erythraea from rural areas (LP), the concentrations of most of the investigated elements in C. erythraea collected from the lignite basin, urban areas and in the vicinity of the A4 highway (MP) were significantly higher. The results obtained can be used for control and monitoring in the production of pharmaceuticals based on natural medical plants.
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Affiliation(s)
- Anna Brudzińska-Kosior
- Department of Ecology, Biogeochemistry and Environmental Protection, Wrocław University, Wrocław, Poland
| | - Grzegorz Kosior
- Institute of Environmental Engineering and Biotechnology, University of Opole, Opole, Poland
| | - Monika Sporek
- Institute of Environmental Engineering and Biotechnology, University of Opole, Opole, Poland
| | - Zbigniew Ziembik
- Institute of Environmental Engineering and Biotechnology, University of Opole, Opole, Poland
| | - Inga Zinicovscaia
- Division of Nuclear Physics, Department of Neutron Activation Analysis and Applied Research, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Moscow Region, Russian Federation
- Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Bucharest Magurele, Romania
| | - Marina Frontasyeva
- Division of Nuclear Physics, Department of Neutron Activation Analysis and Applied Research, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Moscow Region, Russian Federation
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Li C, Gao T, Wang X, Qu S, Yang Y, Zuo M, Wang J, Wang H, Zhou G, Liu Y. Phytoremediation Potential and Physiological Mechanisms Underlying Metallic Extraction of Suaeda glauca, Artemisia desertorum, and Atriplex canescens. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16035. [PMID: 36498118 PMCID: PMC9736508 DOI: 10.3390/ijerph192316035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Mining activities have led to serious environmental (soil erosion, degradation of vegetation, and groundwater contamination) and human health (musculoskeletal problems, diarrheal conditions, and chronic diseases) issues at desert mining areas in northwest China. Native plant species grown naturally in desert regions show a unique tolerance to arid and semiarid conditions and are potential candidates for soil phytoremediation. Here, an ex situ experiment involving pot planting of seedlings of three native plant species (Suaeda glauca, Artemisia desertorum, and Atriplex canescens) was designed to explore their phytoremediation potential and the underlying physiological mechanism. For Zn and Cu, the three plants were all with a biological accumulation coefficient (BAC) greater than 1. For Cd, Ni, and Pb, Atriplex canescens had the highest bioaccumulation concentrations (521.52, 862.23, and 1734.59 mg/kg), with BAC values (1.06, 1.30, 1.25) greater than 1, which indicates that Atriplex canescens could be a broad-spectrum metal extraction plant. Physiological analysis (antioxidation, extracellular secretions, photosynthesis, and hydraulics) showed that the three desert plants exploited their unique strategy to protect against the stress of complex metals in soils. Moreover, the second growing period was the main heavy metal accumulation and extraction stage concomitant with highest water use efficiency (iWUE). Taken together, the three desert plants exhibited the potent heavy metal extraction ability and physiological and ecological adaptability to a harsh polluted environment in arid desert areas, providing potential resources for the bioremediation of metal-contaminated soils in an arid and semiarid desert environment.
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Affiliation(s)
- Changming Li
- College of Chemistry and Chemical Engineering, Qinghai Normal University, Xining 810008, China
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
| | - Tianpeng Gao
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- College of Biological and Environmental Engineering, Xi’an University, Xi’an 710065, China
| | - Xueying Wang
- Xi’an Institute of Environment Sanitation Sciences, Xi’an 710065, China
| | - Shipeng Qu
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- Gansu Jinchang Environmental Monitoring Center, Jinchang 737100, China
| | - Yingli Yang
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
| | - Mingbo Zuo
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- College of Life Science, Northwest Normal University, Lanzhou 730070, China
| | - Juan Wang
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- College of Life Science, Northwest Normal University, Lanzhou 730070, China
| | - Haoming Wang
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- College of Biological and Pharmaceutical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Guixiang Zhou
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- Nanjing Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210018, China
| | - Yubing Liu
- Research Center of Pollution Control and Ecological Restoration Engineering in Mining Area of Gansu Province, Lanzhou 730001, China
- State Key Laboratory of Grassland Agro-Ecosystems, Lanzhou University, Lanzhou 730020, China
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Ozyurt G, Ekmen D, Durmuş M, Ucar Y. Assessment of the safety of dietary fish oil supplements in terms of content and quality. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:25006-25019. [PMID: 34837607 DOI: 10.1007/s11356-021-17581-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/13/2021] [Indexed: 06/13/2023]
Abstract
The fatty acid composition of top-selling fish oil dietary supplements in the markets was compared with the content stated on product label, and their oxidative qualities and heavy metal contents were evaluated in this study. While all the capsule groups (C) confirmed the label information, it was observed that one-third of the syrup groups (S) had less than the specified content. Capsule groups generally had richer EPA and DHA contents than syrup groups in the samples examined. The peroxide values (PV) of all fish oil capsules and syrups were found in the range of 1.97-2.89 mEq/kg and 2.22-18.30 mEq/kg, respectively. As for free fatty acids (FFA) values, the C4, S6, S9, and S10 groups were above the 3% oleic acid limit recommended for high-quality oils. However, thiobarbituric acid reactive substances (TBARs) values were found below 1 mg MA/kg in all groups. All fish oil supplements were within the limits specified in terms of As (0.50-4.19 µg/g), Cd (0.14 µg/g detected for one group, C5), Cu (not detected), Fe (0.32-15.7 µg/g), and Hg (≤ 0.1 µg/g). On the other hand, two fish oil supplements from the capsule group (0.17 for C6 and 1.01 µg/g for C8) and one group from the syrup group (0.29 µg/g for S10) exceeded the recommended limit in terms of Pb (0.1 mg/kg). As a result of the research, it can be concluded that the chemical quality of fish oils in syrup form needs to be improved and their reliability in terms of fatty acid content should be increased. Considering the heavy metals, it seems significant to follow up the fish oil products more strictly.
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Affiliation(s)
- Gülsün Ozyurt
- Faculty of Fisheries, Department of Seafood Processing Technology, Cukurova University, 01330, Balcali, Adana, Turkey
| | - Dilan Ekmen
- Faculty of Fisheries, Department of Seafood Processing Technology, Cukurova University, 01330, Balcali, Adana, Turkey
| | - Mustafa Durmuş
- Faculty of Fisheries, Department of Seafood Processing Technology, Cukurova University, 01330, Balcali, Adana, Turkey
| | - Yilmaz Ucar
- Faculty of Fisheries, Department of Seafood Processing Technology, Cukurova University, 01330, Balcali, Adana, Turkey.
- Fatsa Faculty of Marine Science, Department of Fisheries Engineering Technology, Ordu University, Ordu, Turkey.
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Xu Q, Qin J, Sun H, Wang X, Chen W, Li Z. Effects of soil cadmium exposure on physio-ecological characteristics of Bletilla striata. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:4008-4023. [PMID: 34398374 DOI: 10.1007/s11356-021-15809-y] [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: 03/31/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Bletilla striata (Thunb.) Reichb.f. has shown rather extraordinary medicinal and economic value in recent years. However, the artificial cultivation of B. striata faces quite a lot of obstacles, especially the quality degradation and heavy metal pollution problems. Cadmium (Cd) in particular, is reported to generally exceed the standard in the artificial cultivation of B. striata. So far, little attention has been paid to analyze the effects of heavy metals on the growth and the medicinal treatment efficacy of B. striata. Herein, we investigate the physio-ecological response of B. striata under gradient Cd concentration treatment: Control (0.285 mg kg-1); Tr-1 (0.655 mg kg-1); Tr-2 (1.285 mg kg-1); Tr-3 (7.675 mg kg-1); Tr-4 (54.885 mg kg-1), so as to provide a reference for the study of the Cd response regulation on B. striata. In this work, we examined the biomass, total carbon, total nitrogen, and content of B. striata polysaccharides (BSP, the functional component of B. striata), as well as the absorption proportion of Cd in B. striata. Based on the preliminary research, ecological risk assessment and human health risk assessment were allocated. Experiments were conducted in two batches (2018 and 2019, sampling in the same season) with the following findings: (1) The biomass showed no pronounced differences between the treatments or the sampling dates, only reached significant decrease at 54.885 mg kg-1 (Tr-4) soil Cd concentration in 2019; (2) The total carbon of B. striata under Cd treatment was in line with the Hormesis effect and reached a peak at 0.655 mg kg-1 (Tr-1) soil Cd concentration; (3) The total nitrogen content was generally promoted under Cd treatment with the highest content at 1.225 mg kg-1 (Tr-2); (4) The total BSP content in two sampling years are both sorted in decreasing order: Tr-4 < Tr-3 < Tr-2 < Tr-1 < Control; (5) The Cd content in Bletillae Rhizoma (tuber of B. striata) under 0.655 mg kg-1 soil Cd treatment was within the threshold stipulated in Chinese Pharmacopoeia in 2018 batch and in 2019 batch, only the control group was qualified with a safe plantation limit of Cd. The results of ecological risk assessment showed moderate toxic risk under Tr-1 (0.655 mg Cd kg-1) and the human health risk assessment indicated negligible toxic effects on human health. Overall, the soil Cd concentration should be lower than 0.655 mg kg-1, if safe cultivation, medicinal effect of B. striata and human health risk are taken into consideration.
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Affiliation(s)
- Qin Xu
- Department of Environmental Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Jihong Qin
- Department of Environmental Engineering, Chengdu University, Chengdu, 610106, China
| | - Hui Sun
- Department of Environmental Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Xiaoqin Wang
- Department of Environmental Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Wenqing Chen
- Department of Environmental Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Zhi Li
- Department of Environmental Science and Engineering, Sichuan University, Chengdu, 610065, China.
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16
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Integrated Assessment of Affinity to Chemical Fractions and Environmental Pollution with Heavy Metals: A New Approach Based on Sequential Extraction Results. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168458. [PMID: 34444207 PMCID: PMC8391145 DOI: 10.3390/ijerph18168458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/29/2021] [Accepted: 08/05/2021] [Indexed: 11/18/2022]
Abstract
To assess the affinity degree of heavy metals (HMs) to geochemical phases, many indices with several limitations are used. Thus, this study aims to develop a new complex index for assessing contamination level and affinity to chemical fractions in various solid environmental media. For this, a new integrated approach using the chemical affinity index (CAF) is proposed. Comparison of CAF with %F on the literature examples on fractionation of HMs from soils, bottom sediments, atmospheric PM10, and various particle size fractions of road dust proved a less significant role of the residual HMs fraction and a greater contribution of the rest of the chemical fractions in the pollution of all studied environments. This fact is due to the normalization relative to the global geochemical reference standard, calculations of contribution of an individual element to the total pollution by all studied HMs, and contribution of the particular chemical fraction to the total HMs content taken into account in CAF. The CAF index also shows a more significant role in pollution and chemical affinity of mobile and potentially mobile forms of HMs. The strong point of CAF is the stability of the obtained HM series according to the degree of chemical affinity and contamination. Future empirical studies are necessary for the more precise assessment of CAF taking into account the spatial distribution of HMs content, geographic conditions, geochemical factors, the intensity of anthropogenic impact, environmental parameters (temperature, humidity, precipitation, pH value, the content of organic matter, electrical conductivity, particle size distribution, etc.). The combined use of CAF along with other indices allows a more detailed assessment of the strength of HMs binding to chemical phases, which is crucial for understanding the HMs’ fate in the environment.
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Amini MH, Ashraf K, Salim F, Meng Lim S, Ramasamy K, Manshoor N, Sultan S, Ahmad W. Important insights from the antimicrobial activity of Calotropis procera. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103181] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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18
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Chowdhury A, Naz A, Maiti SK. Bioaccumulation of potentially toxic elements in three mangrove species and human health risk due to their ethnobotanical uses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-12566-w. [PMID: 33638081 DOI: 10.1007/s11356-021-12566-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
The aim of this study was to assess probabilistic human health risk due to ethnobotanical usage of Avicennia officinalis, Porteresia coarctata and Acanthus ilicifolius. The study was conducted at the tannery outfall near Sundarban (Ramsar wetland, India) mangrove ecosystem affected by potentially toxic elements (Cd, Cr, Cu, Hg, Mn, Ni, Pb, and Zn). Total metal concentrations (mg kg-1) were considerably higher in the polluted rhizosphere namely, Cd (1.05-1.97), Cu (36.3-38.6), Cr (144-184), Hg (0.04-0.19), Mn (163-184), Ni (37.7-46.4), Pb (20-36.6), and Zn (97-104). Ecological risk index indicated low to moderate ecological risk in this site, whereas the ecological risk factor showed high potential ecological risk due to Cd pollution. BCR Sequential extraction of metals showed more exchangeable fraction of Cd (47-55%), Cr (9-13%), Hg (11-13%), and Pb (11-15%), at the polluted site. Mercury, though present in trace amount in sediment, showed the highest bioaccumulation in all the three plants. Among the toxic trio, Hg showed the highest bioaccumulation in A. officinalis, Cd in P. coarctata but Pb has the lowest bioaccumulation potential in all the three species. Occasional fruit consumption of A. officinalis and dermal application of leaf, bark of A. officinalis (antimicrobial), A. ilicifolius (anti-inflammatory, pain reliever when applied on wounds) indicated negligible human health risk. However, long-term consumption of P. coarctata (wild rice variety) seeds posed health risk (THQ>1) both in adults and children age groups. This study concludes that nature of ethnobotanical use and metal contamination levels of the mangrove rhizosphere can impact human health. The transfer process of potentially toxic elements from rhizosphere to plants to human body should be considered while planing pollution mitigation measures. Graphical Abstract.
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Affiliation(s)
- Abhiroop Chowdhury
- School of Environment & Sustainability, O.P. Jindal Global University, Sonipat, Haryana, 131001, India.
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.
| | - Aliya Naz
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
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Teng Q, Zhang D, Yang C. A review of the application of different treatment processes for oily sludge. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:121-132. [PMID: 33058075 DOI: 10.1007/s11356-020-11176-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Oily sludge contains high concentrations of total petroleum hydrocarbons and heavy metals, which seriously impact the environment and human health. How to dispose of and use the oily sludge has attracted an increasing amount of attention. This study introduces harmless and resource-based oily sludge treatment technologies. It summarizes the technologies from various aspects, such as the process principle, influencing factors, advantages, and disadvantages, and analyzes and summarizes the status quo of the development of the technologies. In comparison, the direction of processing technology development is discussed to provide reference for processing technology improvements, optimization, and efficiency improvements.
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Affiliation(s)
- Qing Teng
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China
| | - Dongmei Zhang
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China.
| | - Chunping Yang
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China
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Bech J. Soil contamination and human health: part 3. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:4065-4071. [PMID: 33123931 DOI: 10.1007/s10653-020-00741-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Jaume Bech
- Emeritus Professor University of Barcelona (UB), Barcelona, Spain.
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