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Checa-Fernández A, Santos A, Chicaiza KY, Martin-Sanz JP, Valverde-Asenjo I, Quintana JR, Fernández J, Domínguez CM. Exploring the potential of horse amendment for the remediation of HCHs-polluted soils. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 364:121436. [PMID: 38875985 DOI: 10.1016/j.jenvman.2024.121436] [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: 02/16/2024] [Revised: 05/08/2024] [Accepted: 06/07/2024] [Indexed: 06/16/2024]
Abstract
This study assessed for the first time the bioremediation potential of an organic horse amendment in soils contaminated with solid wastes of the obsolete pesticide lindane (α-hexachlorocyclohexane (α-HCH) = 80 mg kg-1, β-HCH = 40 mg kg-1, γ,δ,ε-HCH≈10 mg kg-1) searching for a self-sufficient bio-based economy. Four treatments were implemented: polluted (PS, ΣHCHs = 130 mg kg-1) and control (CS, ΣHCHs = 1.24 mg kg-1) soils and the respective amended soils (APS and ACS). A commercial amendment, coming from organic wastes, was used for soil biostimulation (5% dry weight), and the temporal evolution of the enzymatic activity (dehydrogenase, β-glucosidase activity, phenoloxidase, arylamidase, phosphatase, and urease) and HCHs concentration of the soils was evaluated over 55 days under controlled humidity and temperature conditions. The horse amendment positively influenced the physicochemical properties of the soil by reducing pH (from 8.3 to 8) and increasing the organic matter (TOC from 0.5 to 3.3%) and nutrient content (P and NH4+ from 24.1 to 13.7 to 142.1 and 41.2 mg kg-1, respectively). Consequently, there was a notable enhancement in the soil biological activity, specifically in the enzymatic activity of dehydrogenase, phenol-oxidase, phosphatase, and urease and, therefore, in HCH degradation, which increased from <1 to 75% after the incubation period. According to the chlorine position on the cyclohexane ring, the following ranking has been found for HCHs degradation: β-HCH (46%) < ε-HCH (57%) < α-HCH (91%) ≈ δ-HCH (91%) < γ-HCH (100%). Pentachlorocyclohexene (PCCH) and 1,2,4-trichlorobenzene (1,2,4-TCB) were identified as HCHs degradation metabolites and disappeared at the end of the incubation time. Although further research is required, these preliminary findings suggest that organic amendments represent a sustainable, harmless, and cost-effective biostimulation approach for remediating soils contaminated with recalcitrant HCHs, boosting the circular economy.
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Affiliation(s)
- Alicia Checa-Fernández
- Department of Chemical Engineering and Materials, Faculty of Chemical Sciences, Complutense University of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Aurora Santos
- Department of Chemical Engineering and Materials, Faculty of Chemical Sciences, Complutense University of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Katherine Yomaira Chicaiza
- Chemical in Pharmaceutical Sciences Department, Faculty of Pharmacy, University Complutense of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Juan P Martin-Sanz
- Chemical in Pharmaceutical Sciences Department, Faculty of Pharmacy, University Complutense of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Inmaculada Valverde-Asenjo
- Chemical in Pharmaceutical Sciences Department, Faculty of Pharmacy, University Complutense of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Jose R Quintana
- Chemical in Pharmaceutical Sciences Department, Faculty of Pharmacy, University Complutense of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Javier Fernández
- Chemical in Pharmaceutical Sciences Department, Faculty of Pharmacy, University Complutense of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Carmen M Domínguez
- Department of Chemical Engineering and Materials, Faculty of Chemical Sciences, Complutense University of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain.
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Zhang X, Zheng Y, Su Z, Wang Z, Zhang J, Jia Z, Kümmel S, Qin C, Liu Y, Wang S, Nijenhuis I, Richnow HH. Anaerobic biotransformation of hexachlorocyclohexane isomers in aqueous condition: Dual CCl isotope fractionation and impact on microbial community compositions. WATER RESEARCH 2024; 254:121389. [PMID: 38492479 DOI: 10.1016/j.watres.2024.121389] [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: 12/19/2023] [Revised: 02/18/2024] [Accepted: 02/26/2024] [Indexed: 03/18/2024]
Abstract
Hexachlorocyclohexane (HCH) isomers are persistent organic pollutants (POPs) with high toxicity, lipid solubility, chemical stability. Despite the current ban on usage of Lindane, residual contamination cannot be ignored, and HCH are frequently detected in groundwater and threaten human health. Cultures capable of degrading α-HCH, β-HCH, γ-HCH, and δ-HCH individually have been enriched in anoxic aqueous conditions. Compound-Specific Isotope Analysis (CSIA) was applied to examine the transformation mechanisms of different HCH isomers by the four enrichment cultures. 16S rRNA sequencing techniques were employed to examine the community composition of the enrichment cultures and detect changes in these communities resulting from adding individual HCH isomers. The results indicated that the ability of the enrichment cultures for dichloroelimination of HCH isomers was inconsistent. During dichloroelimination, different bond cleavage mode of β- and δ-HCH led to distinct isotopic effects. HCH isomers had significant impact on the microbial community, while different microbial communities showed comparable isotopic effects during the transformation of a specific HCH isomer. In addition, bacteria in the phyla Proteobacteria and Firmicutes were proposed as the dominant dechlorinators. This study provides a novel perspective on the mode of bond cleavage during HCH dichloroelimination and the effect of HCH on microbial communities, which could potentially support the evaluation of HCH transformation by CSIA and their effects on the microecosystems of groundwater.
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Affiliation(s)
- Xinyu Zhang
- College of Light Industry and Food Engineering, Guangxi University, Daxue Road 100, Nanning 530004, China
| | - Yan Zheng
- College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
| | - Ziming Su
- School of Resources, Environment and Materials, Guangxi University, Daxue Road 100, Nanning 530004, China
| | - Zhenyu Wang
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318, Leipzig, Germany
| | - Jian Zhang
- College of Light Industry and Food Engineering, Guangxi University, Daxue Road 100, Nanning 530004, China
| | - Zhongjun Jia
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Steffen Kümmel
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318, Leipzig, Germany
| | - Chengrong Qin
- College of Light Industry and Food Engineering, Guangxi University, Daxue Road 100, Nanning 530004, China.
| | - Yaqing Liu
- College of Light Industry and Food Engineering, Guangxi University, Daxue Road 100, Nanning 530004, China.
| | - Shuangfei Wang
- College of Light Industry and Food Engineering, Guangxi University, Daxue Road 100, Nanning 530004, China
| | - Ivonne Nijenhuis
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318, Leipzig, Germany
| | - Hans H Richnow
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318, Leipzig, Germany; Isodetect, Deutscher Platz 5b, 04103 Leipzig, Germany
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Yu N, Deng Y, Wang X, Shi W, Zhou D, Pan B, Yu H, Wei S. Nontarget Discovery of Antimicrobial Transformation Products in Wastewater Based on Molecular Networks. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023. [PMID: 37211672 DOI: 10.1021/acs.est.2c07774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Antimicrobial transformation products (ATPs) in the environment have raised extensive concerns in recent years due to their potential health risks. However, only a few ATPs have been investigated, and most of the transformation pathways of antimicrobials have not been completely elucidated. In this study, we developed a nontarget screening strategy based on molecular networks to detect and identify ATPs in pharmaceutical wastewater. We identified 52 antimicrobials and 49 transformation products (TPs) with a confidence level of three or above. Thirty of the TPs had not been previously reported in the environment. We assessed whether TPs could be classified as persistent, mobile, and toxic (PMT) substances based on recent European criteria for industrial substances. Owing to poor experimental data, definitive PMT classifications could not be established for novel ATPs. PMT assessment based on structurally predictive physicochemical properties revealed that 47 TPs were potential PMT substances. These results provide evidence that novel ATPs should be the focus of future research.
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Affiliation(s)
- Nanyang Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
| | - Yiyan Deng
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
| | - Xuebing Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
| | - Wei Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
| | - Dongmei Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
| | - Bingcai Pan
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
| | - Hongxia Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
| | - Si Wei
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, People's Republic of China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing, Jiangsu 210023, China
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Shi J, Zhang Q, Yang R, Li C, Fan S, Cai M, Zhou X, Zhang Z. Quantitative assessment of selective degradation behavior of etoxazole in different classes of organisms by compound-specific isotope analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114632. [PMID: 36773436 DOI: 10.1016/j.ecoenv.2023.114632] [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: 12/01/2022] [Revised: 01/27/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
In this paper, the stereoselective degradation and quantitative identification of chiral pesticide etoxazole in organisms with different classes of organisms (soil, chlorella algal fluid and mice) were carried out by compound-specific isotope analysis (CSIA). The degradation behavior and stable isotope fractionation effect of etoxazole in soil, chlorella and mice were investigated. The R-etoxazole degraded faster than S-etoxazole in different classes of organisms. The metabolites M1, M2 and M3 were detected in all three substrates. Biodegradation is the main factor for the change of stable isotope ratio of chiral pesticide etoxazole. Furthermore, the relationship between fractionation value of carbon isotope and residual concentration of etoxazole is established by Rayleigh equation, and the biodegradation rate of etoxazole could be calculated by using CSIA without measuring the concentration of etoxazole. Therefore, the use of CSIA can accurately assess the degradation behavior of pesticide pollution in the environment and provide a certain scientific evidence and technical support in the process of environmental remediation.
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Affiliation(s)
- Jian Shi
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Qi Zhang
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Ruilu Yang
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China.
| | - Chunjian Li
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Susu Fan
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Meng Cai
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Xiaolan Zhou
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
| | - Zheng Zhang
- Analysis and Testing Center, Nantong University, Nantong 226019, People's Republic of China
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Zhao Z, Li J, Zhang X, Wang L, Wang J, Lin T. Perfluoroalkyl and polyfluoroalkyl substances (PFASs) in groundwater: current understandings and challenges to overcome. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:49513-49533. [PMID: 35593984 DOI: 10.1007/s11356-022-20755-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 05/07/2022] [Indexed: 05/27/2023]
Abstract
Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been frequently detected in groundwater globally. With the phase-out of perfluorooctane sulfonate (PFOS) and perfluorooctanate (PFOA) due to their risk to the ecosystem and human population, various novel PFASs have been used as replacements and detected in groundwater. In order to summarize the current understanding and knowledge gaps on PFASs in groundwater, we reviewed the studies about environmental occurrence, transport, and risk of legacy and novel PFASs in groundwater published from 1999 to 2021. Our review suggests that PFOS and PFOA could still be detected in groundwater due to the long residence time and the retention in the soil-groundwater system. Firefighting training sites, industrial parks, and landfills were commonly hotspots of PFASs in groundwater. More novel PFASs have been detected via nontarget analysis using high-resolution mass spectrometry. Some novel PFASs had concentrations comparable to that of PFOS and PFOA. Both legacy and novel PFASs can pose a risk to human population who rely on contaminated groundwater as drinking water. Transport of PFASs to groundwater is influenced by various factors, i.e., the compound structure, the hydrochemical condition, and terrain. The exchange of PFASs between groundwater and surface water needs to be better characterized. Field monitoring, isotope tracing, nontarget screening, and modeling are useful approaches and should be integrated to get a comprehensive understanding of PFASs sources and behaviors in groundwater.
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Affiliation(s)
- Zhen Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China.
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China.
| | - Jie Li
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Xianming Zhang
- Department of Chemistry and Biochemistry, Concordia University, Montreal, QC, H4B 1R6, Canada
| | - Leien Wang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Jamin Wang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
| | - Tian Lin
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
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Ramalingam V, Cupples AM. Anaerobic 1,4-dioxane biodegradation and microbial community analysis in microcosms inoculated with soils or sediments and different electron acceptors. Appl Microbiol Biotechnol 2020; 104:4155-4170. [DOI: 10.1007/s00253-020-10512-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/17/2020] [Accepted: 02/28/2020] [Indexed: 11/29/2022]
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