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Servien R, Bonnot K, Latrille E, Hélias A, Patureau D. Consideration of unmeasured micropollutants released from WWTP for potential impact estimations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166313. [PMID: 37586527 DOI: 10.1016/j.scitotenv.2023.166313] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/11/2023] [Accepted: 08/12/2023] [Indexed: 08/18/2023]
Abstract
During wastewater treatment, micropollutants are only partly eliminated and may present a risk for human health and aquatic ecosystems. The potential impacts these substances may have are currently underestimated due to the lack in available concentrations that lie below the limit of quantification (LOQ) for an important set of micropollutants. Here, the potential impacts due to 261 organic micropollutants on human health and aquatic environments were investigated at the scale of France. Even with concentrations below the LOQ, certain micropollutants were found to have a significant potential impact. For unmeasured concentrations, a global concentration distribution built from several datasets with different LOQ was used. By disregarding the unmeasured micropollutants, the potential impacts have been underestimated by >300 % on both human health and aquatic environments. Certain substances, such as hydrazine, endrin, or 2,3,7,8-TetraCDD, could lead to very strong potential impacts, even with unmeasured concentration levels. Moreover, the usual convention of LOQ/2 to replace unmeasured concentrations also appeared to overestimate the potential impact. The present work can be adapted to any other compartment or geographical context.
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Affiliation(s)
- R Servien
- INRAE, Univ. Montpellier, LBE, 102 Avenue des étangs, F-11000 Narbonne, France; ChemHouse Research Group, Montpellier, France.
| | - K Bonnot
- INRAE, Univ. Montpellier, LBE, 102 Avenue des étangs, F-11000 Narbonne, France; Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 78850 Thiverval-Grignon, France
| | - E Latrille
- INRAE, Univ. Montpellier, LBE, 102 Avenue des étangs, F-11000 Narbonne, France; ChemHouse Research Group, Montpellier, France
| | - A Hélias
- ITAP, Univ Montpellier, INRAE, Institut Agro, Montpellier, France; ELSA, Research group for environmental life cycle sustainability assessment and ELSA-Pact industrial chair, Montpellier, France
| | - D Patureau
- INRAE, Univ. Montpellier, LBE, 102 Avenue des étangs, F-11000 Narbonne, France
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2
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Singh BJ, Chakraborty A, Sehgal R. A systematic review of industrial wastewater management: Evaluating challenges and enablers. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 348:119230. [PMID: 37832302 DOI: 10.1016/j.jenvman.2023.119230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/31/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023]
Abstract
The study provides a systematic literature review (SLR) encompassing industrial wastewater management research from the past decade, examining enablers, challenges, and prevailing practices. Originating from manufacturing, energy production, and diverse industrial processes, industrial wastewater's handling is critical due to its potential to impact the environment and public health. The research aims to comprehend the current state of industrial wastewater management, pinpoint gaps, and outline future research prospects. The SLR methodology involves scouring the Scopus database, yielding an initial pool of 253 articles. Refinement via search code leaves 101 articles, followed by abstract screening that reduces articles to 79, and finally 66 well-focused articles left for thorough full-text examination. Results underscore the significance of regulatory frameworks, technological innovation, and sustainability considerations as cornerstones for effective wastewater management. However, substantial impediments like; inadequate infrastructure, resource constraints and the necessity for stakeholder collaboration still exist. The study highlights emerging research domains, exemplified by advanced technologies like nanotechnology and bioremediation, alongside the pivotal role of circular economy principles in wastewater management. The SLR offers an exhaustive view of contemporary industrial wastewater management, accentuating the imperative of an all-encompassing approach that integrates regulatory, technological, and sustainability facets. Notably, the research identifies gaps and opportunities for forthcoming exploration, advocating for interdisciplinary research and intensified stakeholder collaboration. The study's insights cater to policymakers, practitioners, and researchers, equipping them to address the challenges and capitalize on prospects in industrial wastewater management effectively.
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Affiliation(s)
- Bikram Jit Singh
- Mechanical Engineering Dept., MM Engineering College, Maharishi Markandeshwar Deemed to be University, Mullana, 133207, Ambala, Haryana, India
| | | | - Rippin Sehgal
- Department of Biotechnology Engineering, Ambala College of Engineering and Applied Research, Devsthali, Ambala-133101, Haryana, India
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3
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Gardner MJ, Comber SDW, Ellor B. Summary of data from the UKWIR chemical investigations programme and a comparison of data from the past ten years' monitoring of effluent quality. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 832:155041. [PMID: 35390381 DOI: 10.1016/j.scitotenv.2022.155041] [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: 09/27/2021] [Revised: 03/31/2022] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
This paper reports summary data from a ten-year programme of investigation into the composition of wastewater treatment works' effluents in the UK. The so-called Chemical Investigations Programme focused on determinands of regulatory importance and involved monitoring of effluents for over seventy trace substances and sanitary determinands at more than 600 UK treatment works sites. The results provide a definitive overview of effluent quality. Although raw data are available, this publication of summary data provides a convenient résumé of the current state of knowledge. An analysis of changes in concentrations over the monitoring period between 2010 and 2020 shows that for several substances (nickel, diethylhexylphthalate, nonylphenol, tributyltin, the brominated diphenyl ethers and triclosan) significant reductions in wastewater concentration have occurred over the period of interest, these are likely to have resulted from a combination of tighter regulatory controls and/or improved wastewater treatment.
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Affiliation(s)
- M J Gardner
- WCA, Brunel House, Volunteer Way, Faringdon, Oxon SN7 7YR, UK
| | - S D W Comber
- Plymouth University, B525 Portland Square, Drake Circus, Plymouth, Devon PL4 8AA, UK.
| | - B Ellor
- UK Water Industry Research, 36 Broadway, London, UK
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Sousa H, Sousa CA, Simões LC, Simões M. Microalgal-based removal of contaminants of emerging concern. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127153. [PMID: 34543999 DOI: 10.1016/j.jhazmat.2021.127153] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/22/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
The presence of contaminants of emerging concern (CECs) in the environment has been recognized as a worldwide concern. In particular, water pollution by CECs is becoming a major global problem, which requires ongoing evaluation of water resources policies at all levels and the use of effective and innovative wastewaters treatment processes for their removal. Microalgae have been increasingly recognized as relevant for wastewater polishing, including CECs removal. These microorganisms are commonly cultivated in suspension. However, the use of planktonic microalgae for wastewater treatment has limitations in terms of microbiological contamination, process effectiveness and sustainability. The use of consortia of microalgae and bacteria represents a significant advance for sustainable wastewater polishing, particularly when the microorganisms are associated as biofilms. These immobilized mixed cultures can overcome the limitations of suspended-microalgae systems and improve the performance of the involved species for CECs removal. In addition, microalgae-bacteria based systems can offer a relevant combined effect for CECs removal and biomass production enhancement. This study reviews the advantages and advances on the use of microalgae for wastewater treatment, highlighting the potential on the use of microalgae-bacteria biofilms for CECs removal and the further biomass valorisation for third-generation biofuel production.
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Affiliation(s)
- Henrique Sousa
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Cátia A Sousa
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Lúcia C Simões
- CEB, Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Manuel Simões
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
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5
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Risch E, Jaumaux L, Maeseele C, Choubert JM. Comparative Life Cycle Assessment of two advanced treatment steps for wastewater micropollutants: How to determine whole-system environmental benefits? THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 805:150300. [PMID: 34537695 DOI: 10.1016/j.scitotenv.2021.150300] [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: 04/23/2021] [Revised: 08/31/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Advanced wastewater treatment (AWT) technologies are now considered to target urban micropollutants (MPs) before discharge into receiving water bodies and to comply with specific criteria for reuse. Extra energy and/or resources are necessary to achieve the elimination of MPs. Using the Life Cycle Assessment framework, this study assesses net environmental efficiencies for two AWTs (i) ozone systems (air-fed and pure oxygen-fed) and (ii) granular activated carbon filter. Sixty-five MPs with proven removal efficiency values and toxicity and/or ecotoxicity potentials were included in this study building on results from recent research. Consolidated Life Cycle Inventories with data quality and uncertainty characterization were produced with an emphasis on operational inputs. Results show that the direct water quality benefits obtained from AWT are outweighed by greater increases in indirect impacts from energy and resource demands. Future research should include water quality aspects not currently captured in life cycle impact assessment, such as endocrine disruption and whole-effluent toxicity, in order to assess the complete policy implications of MP removal strategies.
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Affiliation(s)
- Eva Risch
- ITAP, Univ Montpellier, INRAE, Institut Agro, Montpellier, France; ELSA, Research group for environmental life cycle and sustainability assessment, Montpellier, France.
| | - Louis Jaumaux
- ITAP, Univ Montpellier, INRAE, Institut Agro, Montpellier, France; ELSA, Research group for environmental life cycle and sustainability assessment, Montpellier, France
| | - Camille Maeseele
- ITAP, Univ Montpellier, INRAE, Institut Agro, Montpellier, France; ELSA, Research group for environmental life cycle and sustainability assessment, Montpellier, France
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Rodrigo Sanz M, Millán Gabet V, Gonzalez JL. Inputs of Total and Labile Dissolved Metals from Six Facilities Continuously Discharging Treated Wastewaters to the Marine Environment of Gran Canaria Island (Canary Islands, Spain). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111582. [PMID: 34770100 PMCID: PMC8583637 DOI: 10.3390/ijerph182111582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022]
Abstract
The presence of ten metals (Cd, Ni, Pb, Cr, Cu, Zn, Al, Fe, Mn, and Co) was investigated in the final discharge of six facilities, including four wastewater treatment plants, which were continuously discharging treated wastewater to the coastal environment in Gran Canaria Island. A four-day sampling campaign was carried out at each facility in July 2020, in which both the spot samplings technique and the diffusive gradient in thin-film technique (DGT) were carried out to measure total dissolved metals and the in situ labile metal fraction, respectively. After the necessary sample preparation steps, measurements were carried out by ICP-MS for both samplings. Raw data referred to the spot total dissolved and DGT-labile metal concentrations were reported. In general, the average metal concentrations were dispersed in a broad range. As expected, the highest metal contents were found in those facilities with larger industrial contributions. The values of annual average environmental quality standards (AA-EQS) were used to assess the total dissolved metal concentrations for every metal in every final discharge. In only one of the studied facilities, some metals (Ni and Zn) exceeded these EQS within the receiving waterbody, highlighting the need for more efficient treatment targeted towards a specific discharging-water quality. In addition, the total dissolved and labile metal daily fluxes of discharge were calculated to estimate the contribution of every effluent to the receiving water bodies.
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Affiliation(s)
- Marta Rodrigo Sanz
- Water Department, Instituto Tecnológico de Canarias (ITC), Pozo Izquierdo, s/n, 35019 Santa Lucía, Spain
- Correspondence: (M.R.S.); (V.M.G.); Tel.: +34-928-727-524 (M.R.S.)
| | - Vanessa Millán Gabet
- Water Department, Instituto Tecnológico de Canarias (ITC), Pozo Izquierdo, s/n, 35019 Santa Lucía, Spain
- Correspondence: (M.R.S.); (V.M.G.); Tel.: +34-928-727-524 (M.R.S.)
| | - Jean-Louis Gonzalez
- Unit of Biogeochemistry and Ecotoxicology, Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), 83507 La Seyne-sur-Mer, France;
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Liwarska-Bizukojc E, Stevens CV, Delbeke EIP, Van Geem KM. Endocrine disrupting potency and toxicity of novel sophorolipid quaternary ammonium salts. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:658-666. [PMID: 33730294 PMCID: PMC8060166 DOI: 10.1007/s10646-021-02378-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
A new class of biosurfactants, namely quaternary ammonium sophorolipids (SQAS), suitable for pharmaceutical applications, was tested for the evaluation of their (anti)estrogenic and (anti)androgenic potency with the help of YES/YAS assays. Also their toxicity towards yeasts (Saccharomyces cerevisiae) and bacteria (Escherichia coli) was checked. The results achieved for SQAS, which can be regarded as potential micropollutants, were compared with those obtained for two well-known micropollutants diclofenac and 17α-ethinylestradiol subjected to the same testing procedures. This work demonstrated that acetylation of the hydroxyl group of the carbohydrate head of SQAS decreased the toxicity of this class of biosurfactants towards Saccharomyces cerevisiae. Furthermore, it contributed to the decrease of their endocrine disrupting potency. None of the SQAS studied showed clear agonist activity for female or male hormones. SQAS1 and SQAS2 revealed weak antiestrogenic and antiandrogenic potency. All of these properties were weaker, not only to the potency of the appropriate positive control in the antagonists bioassays, but also compared to the potency of other tested compounds, i.e. DCF and EE2. SQAS3 possessed most probably inhibitory activity towards male hormones. Moreover, cytotoxicity of two out of four studied SQAS at the highest concentrations towards the strains of Saccharomyces cerevisiae interfered with the endocrine disruption activity. It would be also worth studying it with the use of another endocrine activity test.
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Affiliation(s)
- Ewa Liwarska-Bizukojc
- Institute of Environmental Engineering and Building Installations, Lodz University of Technology, Al. Politechniki 6, 90-924, Lodz, Poland.
| | - Christian V Stevens
- Faculty of Bioscience Engineering, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Elisabeth I P Delbeke
- Faculty of Bioscience Engineering, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Kevin M Van Geem
- Faculty of Engineering and Architecture, Department of Materials, Textile and Chemical Engineering, Ghent University, Technologiepark 914, B-9052, Ghent-Zwijnaarde, Belgium
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8
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Patureau D, Mailler R, Delgenes N, Danel A, Vulliet E, Deshayes S, Moilleron R, Rocher V, Gasperi J. Fate of emerging and priority micropollutants during the sewage sludge treatment - Part 2: Mass balances of organic contaminants on sludge treatments are challenging. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 125:122-131. [PMID: 33684663 DOI: 10.1016/j.wasman.2021.02.034] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/30/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
This paper analyzes the fate of 71 priority and emerging organic contaminants all along the treatment trains of sewage sludge treatment facilities in Paris including dewatering by centrifugation, thermal drying and anaerobic digestion. It aimed at proposing and applying a mass balances calculation methodology to each process and pollutant. This data validation strategy demonstrated the complexity to perform representative inlet/outlet sampling and analysis campaigns at industrial scales regarding organic compounds and to propose options to overcome this issue. Centrifugation and drying processes only implied physical mechanisms as phase separation and water elimination. Hence, correct mass balance were expected observed for organic contaminants if sampling and analysis campaigns were representative. This was the case for hydrophobic and neutral compounds. For the other more hydrophilic and charged compounds, the mass balances were scarcely correct. Thus, the conventional sampling and analytical practices used with sludge should be questioned and adapted to better take into account the high heterogeneity of sludge and the evolution of matrix effect within sludge treatment processes on micropollutant determination. For the biological anaerobic digestion process where degradations can occur and removals can be observed, the mass balances were deeply interpreted for 60 contaminants. This process contributed to the elimination above 70% of 21 detected compounds including 16 pharmaceuticals, 2 phthalates, 2 hormones and 1 perfluorinated compound. Removals of domperidone, propranolol, escitalopram, lidocaine, verapamil and cefoperazone under this condition were reported for the first time.
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Affiliation(s)
- D Patureau
- INRAE, Univ Montpellier, LBE, 102 avenue des étangs, 11100 Narbonne, France.
| | - R Mailler
- SIAAP, Direction de l'Innovation, 82 avenue Kléber, 92700 Colombes, France.
| | - N Delgenes
- INRAE, Univ Montpellier, LBE, 102 avenue des étangs, 11100 Narbonne, France
| | - A Danel
- INRAE, Univ Montpellier, LBE, 102 avenue des étangs, 11100 Narbonne, France
| | - E Vulliet
- Université de Lyon, Institut des Sciences Analytiques, UMR 5280 CNRS, Université Lyon 1, ENS-Lyon, 5 rue de la Doua, 69100 Villeurbanne, France
| | - S Deshayes
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 61 avenue du Général De Gaulle, 94010 Créteil Cedex, France
| | - R Moilleron
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 61 avenue du Général De Gaulle, 94010 Créteil Cedex, France
| | - V Rocher
- SIAAP, Direction de l'Innovation, 82 avenue Kléber, 92700 Colombes, France
| | - J Gasperi
- GERS-LEE, Université Gustave Eiffel, IFSTTAR, F-44344 Bouguenais, France
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Gil-Izquierdo A, Pedreño MA, Montoro-García S, Tárraga-Martínez M, Iglesias P, Ferreres F, Barceló D, Núñez-Delicado E, Gabaldón JA. A sustainable approach by using microalgae to minimize the eutrophication process of Mar Menor lagoon. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 758:143613. [PMID: 33218814 DOI: 10.1016/j.scitotenv.2020.143613] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 10/23/2020] [Accepted: 11/07/2020] [Indexed: 06/11/2023]
Abstract
The present study evaluates the removal capacity of microalgae photobioreactors of environmental pollutants present in wastewater from the dry riverbed El Albujón, as a way to minimize the eutrophication process of the Mar Menor. Particularly, the capacity of four autochthonous microalgae consortia collected from different locations of the salty lagoon to remove emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), nitrates, and phosphates, was evaluated. Among the four microalgae consortia, consortium 1 was the best in terms of biomass productivity (0.11 g L-1 d-1) and specific growth rate (0.14 d-1), providing 100% removal of emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), and a maximal reduction and consumption of macronutrients, especially nitrates and phosphates, reaching levels below 28 mg L-1, that is, a decrease of 89.90 and 99.70% of nitrates and phosphates, respectively. Therefore, this consortium (Monoraphidium sp., Desmodesmus subspicatus, Nannochloris sp.) could be selected as a green filter for successful large-scale applications. This study is the first one that combines the successful removal of herbicides, ibuprofen and adenosine as emerging contaminants, and nitrate removal.
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Affiliation(s)
- A Gil-Izquierdo
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, University Campus of Espinardo - Edif. 25, E-30100 Espinardo, Spain
| | - M A Pedreño
- Departamento de Biología Vegetal, Facultad de Biología, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain
| | - S Montoro-García
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - M Tárraga-Martínez
- Buggypower S.L, Miguel Hernández, 16, San Pedro del Pinatar, E-307040 Murcia, Spain
| | - P Iglesias
- Buggypower S.L, Miguel Hernández, 16, San Pedro del Pinatar, E-307040 Murcia, Spain
| | - F Ferreres
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - D Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, IDAEA-CSIC, C/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - E Núñez-Delicado
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - J A Gabaldón
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain.
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Aemig Q, Hélias A, Patureau D. Impact assessment of a large panel of organic and inorganic micropollutants released by wastewater treatment plants at the scale of France. WATER RESEARCH 2021; 188:116524. [PMID: 33099267 DOI: 10.1016/j.watres.2020.116524] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 09/28/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
Micropollutants emitted by Human activities represent a potential threat to our health and aquatic environment. Thousands of active substances are used and go to WWTP through wastewaters. During water treatment, incomplete elimination occurs. Effluents released to the environment still contain part of the micropollutants present in the influents. Here, we studied the potential impacts on Human health and aquatic environment of the release of 261 organic micropollutants and 25 inorganic micropollutants at the scale of France. Data were gathered from national surveys, reports, papers and PhD works. The USEtox ® model was used to assess potential impacts. The impacts on Human health were estimated for 94 organic and 15 inorganic micropollutants and on aquatic environment for 88 organic and 19 inorganic micropollutants highlighting lack of concentration and toxicological data in literature. Some Polycyclic Aromatic Hydrocarbons and pesticides as well as As and Zn showed highest potential impacts on Human health. Some pesticides, PCB 101, βE2, Al, Fe and Cu showed highest potential impacts on aquatic environment.
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Affiliation(s)
- Quentin Aemig
- INRAE, Univ Montpellier, LBE, 102 Avenue des Etangs, 11100 Narbonne, France.
| | - Arnaud Hélias
- ITAP, Univ Montpellier, INRAE, Institut Agro, Montpellier, France; ELSA, Research group for environmental life cycle sustainability assessment and ELSA-Pact industrial chair, Montpellier, France
| | - Dominique Patureau
- INRAE, Univ Montpellier, LBE, 102 Avenue des Etangs, 11100 Narbonne, France
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Valdez-Carrillo M, Abrell L, Ramírez-Hernández J, Reyes-López JA, Carreón-Diazconti C. Pharmaceuticals as emerging contaminants in the aquatic environment of Latin America: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:44863-44891. [PMID: 32986197 DOI: 10.1007/s11356-020-10842-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 09/13/2020] [Indexed: 05/20/2023]
Abstract
Pharmaceutical active compounds (PhACs) are environmentally ubiquitous around the world, and the countries of Latin America (LATAM) are not the exception; however there is still little knowledge of the magnitude and conditions of their occurrence in LATAM and of the environmental consequences of their presence. The present work reviews 79 documents published from 2007 to 2019 on the occurrence, concentrations, and sources of PhACs and hormones in surface water (SW), wastewater (WW), and treated wastewater (TWW) in LATAM and on the circumstances of their release to the environment. Research efforts are reported in only ten countries and confirm the presence of 159 PhACs, mainly analgesics and anti-inflammatories, although extraordinarily high concentrations of carbamazepine (830 μg/L) and ethinylestradiol (6.8 μg/L) were found in Ecuador and Brazil, respectively. The analysis of maximum concentrations and the ecotoxicological risk assessment corroborate that (1) these values exceed the environmental concentrations found in other parts of the world, (2) the environmental risk posed by these concentrations is remarkably high, and (3) there is no statistically significant difference between the maximum concentrations found in WW and those found in TWW. The main source of PhACs in LATAM's aquatic environment is WW; hence, these countries should direct substantial efforts to develop efficient and cost-effective treatment technologies and plan and apply WW management strategies and regulations. This analysis presents the current states of occurrence, concentrations, and sources of PhACs in the aquatic environment of LATAM and outlines the magnitude of the environmental problem in that part of the world.
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Affiliation(s)
- Melissa Valdez-Carrillo
- Universidad Autonoma de Baja California, Instituto de Ingeniería, Calle de la Normal y Blvd. Benito Juarez s/n, Col. Insurgentes Sur, 21377, Mexicali, BC, Mexico
| | - Leif Abrell
- Arizona Laboratory for Emerging Contaminants, Departments of Soil, Water & Environmental Science and Chemistry & Biochemistry, University of Arizona, 1040 E. 4th St., Room 606/611, Tucson, AZ, 85721, USA
| | - Jorge Ramírez-Hernández
- Universidad Autonoma de Baja California, Instituto de Ingeniería, Calle de la Normal y Blvd. Benito Juarez s/n, Col. Insurgentes Sur, 21377, Mexicali, BC, Mexico
| | - Jaime A Reyes-López
- Universidad Autonoma de Baja California, Instituto de Ingeniería, Calle de la Normal y Blvd. Benito Juarez s/n, Col. Insurgentes Sur, 21377, Mexicali, BC, Mexico
| | - Concepción Carreón-Diazconti
- Universidad Autonoma de Baja California, Instituto de Ingeniería, Calle de la Normal y Blvd. Benito Juarez s/n, Col. Insurgentes Sur, 21377, Mexicali, BC, Mexico.
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Ahmad J, Naeem S, Ahmad M, Usman ARA, Al-Wabel MI. A critical review on organic micropollutants contamination in wastewater and removal through carbon nanotubes. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 246:214-228. [PMID: 31176983 DOI: 10.1016/j.jenvman.2019.05.152] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 05/20/2019] [Accepted: 05/30/2019] [Indexed: 06/09/2023]
Abstract
The prevalence of organic micropollutants (OMPs) in various environmental compartments is posing a serious health risks to all kinds of lives on the planet. The levels of OMPs such as polyaromatic hydrocarbons, antibiotics, pesticides, contraceptive medicines, and personal care products in water bodies are increasing with each passing day. It is an urgent need of time to limit the release of OMPs into the environment, and to remove the prevailing OMPs for sustainable environmental management. The majority of the conventional means of water decontamination are either inefficient or expensive. However, due to nanosize, high surface area, and hollow and layered structure, carbon nanotubes (CNTs) serve as excellent sorbents for the removal of a diverse range of OMPs. The occurrence of emerging OMPs and their detrimental effects on human and animal health are collected and discussed in this review. The characteristics and efficacy of various CNTs (pristine and modified) for the efficient removal of different OMPs, and the removal mechanisms have been reviewed and discussed. The literature demonstrated that adsorption of OMPs onto CNTs is very complicated and rely on multiple factors including the properties of adsorbent and the adsorbate as well as solution chemistry. It was found that H-bonding, electrostatic interactions, van der Waals forces, hydrophobic interactions, H-π bongs, and π-π interactions were the major mechanisms responsible for the adsorption of OMPs onto various kinds of CNTs. Despite of higher affinities for OMPs, hydrophobicity and higher costs restrain the practical application of CNTs for wastewater treatment on large scale. However, continuous production may lead to the development of cost-effective, efficient and eco-friendly CTNs technology for wastewater treatments in future.
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Affiliation(s)
- Jahangir Ahmad
- Department of Soil and Environmental Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, 61000, Pakistan; Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Shoaib Naeem
- Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Munir Ahmad
- Soil Sciences Department, College of Food & Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia
| | - Adel R A Usman
- Soil Sciences Department, College of Food & Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia; Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Mohammad I Al-Wabel
- Soil Sciences Department, College of Food & Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia.
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Mozo I, Bounouba M, Mengelle E, Lesage N, Sperandio M, Bessiere Y. Modelling PAHs removal in activated sludge process: effect of disintegration. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2019; 80:794-805. [PMID: 31661458 DOI: 10.2166/wst.2019.322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The removal of polycyclic aromatic hydrocarbons (PAHs) in activated sludge was evaluated using two laboratory-scale bioreactors, coupled or not with a disintegration system (sonication). Mass balances performed on each system underlined that PAHs removal was significantly improved after sludge disintegration, especially for the higher molecular weight PAHs studied, which tended to adsorb to suspended matter. A model was developed in order to study the effect of sludge disintegration on the content of dissolved and colloidal matter (DCM), and to predict the potential impacts on PAHs availability and degradation. Results showed that this new model was efficient for capturing apparent degradation improvement trends and for discriminating between the involved mechanisms. This study showed that DCM content increased after sludge disintegration, and proved to be the main driver for improving PAHs apparent degradation.
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Affiliation(s)
- I Mozo
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France E-mail: ; TOTAL SA - CSTJF, Avenue Larribau, 64000 Pau, France
| | - M Bounouba
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France E-mail:
| | - E Mengelle
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France E-mail:
| | - N Lesage
- TOTAL SA - CSTJF, Avenue Larribau, 64000 Pau, France
| | - M Sperandio
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France E-mail:
| | - Y Bessiere
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France E-mail:
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Miralles-Cuevas S, Oller I, Ruíz-Delgado A, Cabrera-Reina A, Cornejo-Ponce L, Malato S. EDDS as complexing agent for enhancing solar advanced oxidation processes in natural water: Effect of iron species and different oxidants. JOURNAL OF HAZARDOUS MATERIALS 2019; 372:129-136. [PMID: 29588104 DOI: 10.1016/j.jhazmat.2018.03.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/08/2018] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
The main purpose of this pilot plant study was to compare degradation of five microcontaminants (MCs) (antipyrine, carbamazepine, caffeine, ciprofloxacin and sulfamethoxazole at 100 μg/L) by solar photo-Fenton mediated by EDDS and solar/Fe:EDDS/S2O82-. The effects of the Fe:EDDS ratio (1:1 and 1:2), initial iron species (Fe(II) or Fe(III) at 0.1 mM) and oxidizing agent (S2O82- or H2O2 at 0.25-1.5 mM) were evaluated. The higher the S2O82- concentration, the faster MC degradation was, with S2O82- consumption always below 0.6 mM and similar degradation rates with Fe(II) and Fe(III). Under the best conditions (Fe 0.1 mM, Fe:EDDS 1:1, S2O82- 1 mM) antipyrine, carbamazepine, caffeine, ciprofloxacin and sulfamethoxazole at 100 μg/L where 90% eliminated applying a solar energy of 2 kJ/L (13 min at 30 W/m2 solar radiation <400 nm). Therefore, S2O82- promotes lower consumption of EDDS as Fe:EDDS 1:1 was better than Fe:EDDS 1:2. In photo-Fenton-like processes at circumneutral pH, EDDS with S2O82- is an alternative to H2O2 as an oxidizing agent.
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Affiliation(s)
- S Miralles-Cuevas
- Laboratorio de Investigaciones Medioambientales de Zonas Áridas, LIMZA, Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile; Escuela Universitaria de Ingeniería Mecánica (EUDIM). Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile.
| | - I Oller
- Plataforma Solar de Almería-CIEMAT, Ctra Senés km 4.5, 04200 Tabernas (Almería), Spain; CIESOL, Joint Research Centre of the University of Almería-CIEMAT, 04120 Almería, Spain.
| | - A Ruíz-Delgado
- Plataforma Solar de Almería-CIEMAT, Ctra Senés km 4.5, 04200 Tabernas (Almería), Spain; CIESOL, Joint Research Centre of the University of Almería-CIEMAT, 04120 Almería, Spain
| | - A Cabrera-Reina
- Laboratorio de Investigaciones Medioambientales de Zonas Áridas, LIMZA, Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile; Escuela Universitaria de Ingeniería Mecánica (EUDIM). Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile
| | - L Cornejo-Ponce
- Laboratorio de Investigaciones Medioambientales de Zonas Áridas, LIMZA, Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile; Escuela Universitaria de Ingeniería Mecánica (EUDIM). Universidad de Tarapacá, Av. General Velásquez 1775, Arica, Chile
| | - S Malato
- Plataforma Solar de Almería-CIEMAT, Ctra Senés km 4.5, 04200 Tabernas (Almería), Spain; CIESOL, Joint Research Centre of the University of Almería-CIEMAT, 04120 Almería, Spain
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Shao Y, Chen Z, Hollert H, Zhou S, Deutschmann B, Seiler TB. Toxicity of 10 organic micropollutants and their mixture: Implications for aquatic risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 666:1273-1282. [PMID: 30970492 DOI: 10.1016/j.scitotenv.2019.02.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/03/2019] [Accepted: 02/03/2019] [Indexed: 05/06/2023]
Abstract
Micropollutants, as a serious water pollution issue, raise considerable toxicological concerns, particularly when present as components of complex mixtures. Due to the interactions of environmental pollution components (contaminant), the micropollutant problem is increasingly complex, thus, water quality of organic chemical contamination assessed substance-by-substance might lead to underestimation in aquatic environmental risk assessment. To assess the aquatic environmental risk of micropollutants mixture, a total of 10 organic micropollutants were selected and analysed by an approach of integration of literature data, laboratory experiments and prediction techniques. The experiment results showed that all 10 micropollutants were capable of causing toxicity in zebrafish embryos, aquatic invertebrates and algae with the LC50 (50% lethal concentration) values from 1.14 mg/L to 14.37 mg/L. Triclosan, carbamazepine, diazinon and diuron were the most hazardous compounds in the Danube River and the Rhine River. The artificial mixture presented a strong antagonistic relationship, which demonstrated an independent action (IA) model of the mixture. Based on the observed toxicity data, the risk quotients (RQs) of environmental mixtures of the Danube River and the Rhine River were extrapolated. It can be concluded that the micropollutant mixture may pose a potential risk for aquatic ecosystems with the present environmentally measured concentrations in the Danube River and Rhine River. Mixture risk assessment results suggested that the toxicity of studied chemicals might be induced by dissimilar actions, which is in agreement with the mixture toxicity prediction of the IA model. The observed findings could be useful to establish an overview of the pressures, vision, measures and expectations for hazardous substances pollution, which can help in making to informed decisions to reduce the concentration and bioactive fraction of pollutants.
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Affiliation(s)
- Ying Shao
- Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany; Department of Cell Toxicology, UFZ - Helmholtz Centre for Environmental Research GmbH, Permoserstraße 15, 04318 Leipzig, Germany.
| | - Zhongli Chen
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Chongqing University, 174 Shazheng Road, Shapingba, Chongqing 400045, China
| | - Henner Hollert
- Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany; College of Resources and Environmental Science, Chongqing University, 174 Shazheng Road, Shapingba, Chongqing 400044, China; College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, 1239 Siping Road, Shanghai, China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, China
| | - Shangbo Zhou
- Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Björn Deutschmann
- Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Thomas-Benjamin Seiler
- Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
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Becouze-Lareure C, Dembélé A, Coquery M, Cren-Olivé C, Bertrand-Krajewski JL. Assessment of 34 dissolved and particulate organic and metallic micropollutants discharged at the outlet of two contrasted urban catchments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:1810-1818. [PMID: 30316097 DOI: 10.1016/j.scitotenv.2018.10.042] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/03/2018] [Accepted: 10/03/2018] [Indexed: 06/08/2023]
Abstract
The assessment of micropollutants in urban wet weather discharges is essential to improve the knowledge of the impact of such discharges on receiving waters. This study assessed the quality of combined sewer overflows (CSOs) in Ecully (residential catchment) and stormwater runoff in Chassieu (industrial catchment) during rain events by providing data on occurrence and total event mean concentrations (EMCt) of 34 priority substances (PS) (9 metals, 13 pesticides, 6 PAHs, 4 alkylphenols and 2 chlorobenzenes) in dissolved and particulate fractions. Over 34 substances monitored, 23 were quantified in urban wet weather discharges of both catchments. For both catchments, 9 metals and 6 PAHs monitored were always quantified, reflecting their ubiquitous presence. For other organic pollutants, only 5 pesticides were quantified and only 2 alkyphenols were measured solely in dissolved fraction. A significant site-to-site difference was observed for metals, PAHs and alkylphenols. The highest concentrations were measured in stormwater runoff in Chassieu vs. Ecully. On the contrary, the diuron concentrations were highest in CSO discharges in Ecully. Distribution of the PS between particulate and dissolved fractions provides information for urban stormwater practitioners. Most PS in urban wet weather discharges were mainly linked to particles (PAHs, Pb, Ti for example). The comparison between daily flows of wastewater treatment plants during dry weather and CSOs daily flows in Ecully showed that stormwater was the most important source of contamination for fluoranthene, benzo(b)fluoranthene and benzo(k)fluoranthene and 7 metals (As, Cr, Co, Cu, Pb, Ti and Zn) in receiving water bodies, but not for pesticides and alkylphenols.
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Affiliation(s)
- C Becouze-Lareure
- Université de Lyon, INSA Lyon, DEEP, 34 avenue des Arts, F-69621 Villeurbanne cedex, France.
| | - A Dembélé
- Université de Lyon, INSA Lyon, DEEP, 34 avenue des Arts, F-69621 Villeurbanne cedex, France; CIRSEE-Suez-Environnement, 38 rue du Président Wilson, 78230 Le Pecq, France
| | - M Coquery
- Irstea, UR MALY, 5 rue de la Doua, CS70077, 69626 Villeurbanne cedex, France
| | - C Cren-Olivé
- ISA, UMR 5280, 5 rue de la Doua, 69100 Villeurbanne, France
| | - J-L Bertrand-Krajewski
- Université de Lyon, INSA Lyon, DEEP, 34 avenue des Arts, F-69621 Villeurbanne cedex, France
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17
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Aemig Q, Doussiet N, Danel A, Delgenès N, Jimenez J, Houot S, Patureau D. Organic micropollutants' distribution within sludge organic matter fractions explains their dynamic during sewage sludge anaerobic digestion followed by composting. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:5820-5830. [PMID: 30613878 DOI: 10.1007/s11356-018-4014-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
The simultaneous fate of organic matter and 4 endocrine disruptors (3 polycyclic aromatic hydrocarbons (PAHs) (fluoranthene, benzo(b)fluoranthene, and benzo(a)pyrene) and nonylphenols (NP)) was studied during the anaerobic digestion followed by composting of sludge at lab-scale. Sludge organic matter was characterized, thanks to chemical fractionation and 3D fluorescence deciphering its accessibility and biodegradability. Total chemical oxygen demand (COD) removal was 41% and 56% during anaerobic digestion and composting, respectively. 3D fluorescence highlighted the quality changes of organic matter. During continuous anaerobic digestion, organic micropollutants' removal was 22 ± 14%, 6 ± 5%, 18 ± 9%, and 0% for fluoranthene, benzo(b)fluoranthene, benzo(a)pyrene, and nonylphenols, respectively. Discontinuous composting allowed to go further on the organic micropollutants' removal as 34 ± 8%, 31 ± 20%, 38 ± 10%, and 52 ± 6% of fluoranthene, benzo(b)fluoranthene, benzo(a)pyrene, and nonylphenols were dissipated, respectively. Moreover, the accessibility of PAH and NP expressed by their presence in the various sludge organic matter fractions and its evolution during both treatments was linked to both the quality evolution of the organic matter and the physicochemical properties of the PAH and NP; the presence in most accessible fractions explained the amount of PAH and NP dissipated.
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Affiliation(s)
- Quentin Aemig
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France
| | - Nicolas Doussiet
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France
| | - Alice Danel
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France
| | - Nadine Delgenès
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France
| | - Julie Jimenez
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France
| | - Sabine Houot
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, 78850, Thiverval-Grignon, France
| | - Dominique Patureau
- LBE, Univ Montpellier, INRA, 102 Avenue des Etangs, 11100, Narbonne, France.
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Liwarska-Bizukojc E, Galamon M, Bernat P. Kinetics of Biological Removal of the Selected Micropollutants and Their Effect on Activated Sludge Biomass. WATER, AIR, AND SOIL POLLUTION 2018; 229:356. [PMID: 30416220 PMCID: PMC6208758 DOI: 10.1007/s11270-018-4015-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 10/15/2018] [Indexed: 06/09/2023]
Abstract
17α-Ethinylestradiol (EE2), diclofenac (DCF), and 4-nonylphenol (4NP) belong to the most common micropollutants (MPs) occurring in municipal wastewater treatment plants (WWTPs). The WWTPs are the primary barrier against the spread of micropollutants in the environment. The aim of this work was to study the kinetics of biological removal of the three aforementioned micropollutants from wastewater and to check whether the acclimation of biomass influenced on the kinetic parameters. In addition, the effect of MPs on the biochemical activity of microorganisms was tested. DCF inhibited the respiration activity of biomass to the highest extent, followed by 4NP and EE2, respectively. DCF occurred to be less susceptible to microbial decomposition than the other two MPs and was removed from wastewater at the lowest degree of 58%. The degrees of removal of EE2 and 4NP were higher than that of DCF and equal to 93 and 71%, respectively. The kinetic parameters determined in this work can be used in modelling and simulation of the removal of micropollutants from wastewater. They improve the predictive ability of the biokinetic models. The acclimation of the biomass to the relevant micropollutant does not influence on the kinetic parameters of biomass growth; however, it causes the increase of the yield coefficient for heterotrophic biomass.
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Affiliation(s)
- Ewa Liwarska-Bizukojc
- Institute of Environmental Engineering and Building Installations, Lodz University of Technology, Al. Politechniki 6, 90-924 Lodz, Poland
| | - Małgorzata Galamon
- Institute of Environmental Engineering and Building Installations, Lodz University of Technology, Al. Politechniki 6, 90-924 Lodz, Poland
| | - Przemysław Bernat
- Faculty of Biology and Environmental Protection, Department of Industrial Microbiology and Biotechnology, University of Lodz, ul. Banacha 12/16, 90-237 Lodz, Poland
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Risch E, Gasperi J, Gromaire MC, Chebbo G, Azimi S, Rocher V, Roux P, Rosenbaum RK, Sinfort C. Impacts from urban water systems on receiving waters - How to account for severe wet-weather events in LCA? WATER RESEARCH 2018; 128:412-423. [PMID: 29156311 DOI: 10.1016/j.watres.2017.10.039] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 10/03/2017] [Accepted: 10/04/2017] [Indexed: 05/16/2023]
Abstract
Sewage systems are a vital part of the urban infrastructure in most cities. They provide drainage, which protects public health, prevents the flooding of property and protects the water environment around urban areas. On some occasions sewers will overflow into the water environment during heavy rain potentially causing unacceptable impacts from releases of untreated sewage into the environment. In typical Life Cycle Assessment (LCA) studies of urban wastewater systems (UWS), average dry-weather conditions are modelled while wet-weather flows from UWS, presenting a high temporal variability, are not currently accounted for. In this context, the loads from several storm events could be important contributors to the impact categories freshwater eutrophication and ecotoxicity. In this study we investigated the contributions of these wet-weather-induced discharges relative to average dry-weather conditions in the life cycle inventory for UWS. In collaboration with the Paris public sanitation service (SIAAP) and Observatory of Urban Pollutants (OPUR) program researchers, this work aimed at identifying and comparing contributing flows from the UWS in the Paris area by a selection of routine wastewater parameters and priority pollutants. This collected data is organized according to archetypal weather days during a reference year. Then, for each archetypal weather day and its associated flows to the receiving river waters (Seine), the parameters of pollutant loads (statistical distribution of concentrations and volumes) were determined. The resulting inventory flows (i.e. the potential loads from the UWS) were used as LCA input data to assess the associated impacts. This allowed investigating the relative importance of episodic wet-weather versus "continuous" dry-weather loads with a probabilistic approach to account for pollutant variability within the urban flows. The analysis at the scale of one year showed that storm events are significant contributors to the impacts of freshwater eutrophication and ecotoxicity compared to those arising from treated effluents. At the rain event scale the wet-weather contributions to these impacts are even more significant, accounting for example for up to 62% of the total impact on freshwater ecotoxicity. This also allowed investigating and discussing the ecotoxicity contribution of each class of pollutants among the broad range of inventoried substances. Finally, with such significant contributions of pollutant loads and associated impacts from wet-weather events, further research is required to better include temporally-differentiated emissions when evaluating eutrophication and ecotoxicity. This will provide a better understanding of how the performance of an UWS system affects the receiving environment for given local weather conditions.
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Affiliation(s)
- Eva Risch
- ITAP, Irstea, Montpellier SupAgro, Univ Montpellier, Montpellier, France.
| | - Johnny Gasperi
- Université Paris-Est, LEESU, UMR MA 102 - AgroParisTech, 94010 Créteil, France
| | | | - Ghassan Chebbo
- Université Paris-Est, LEESU, UMR MA 102 - AgroParisTech, 77455 Marne-la-Vallée, France
| | - Sam Azimi
- SIAAP, Direction du Développement et de La Prospective, 92700 Colombes, France
| | - Vincent Rocher
- SIAAP, Direction du Développement et de La Prospective, 92700 Colombes, France
| | - Philippe Roux
- ITAP, Irstea, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Ralph K Rosenbaum
- ITAP, Irstea, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Carole Sinfort
- ITAP, Irstea, Montpellier SupAgro, Univ Montpellier, Montpellier, France
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Cunha DL, de Araujo FG, Marques M. Psychoactive drugs: occurrence in aquatic environment, analytical methods, and ecotoxicity-a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:24076-24091. [PMID: 28942593 DOI: 10.1007/s11356-017-0170-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 09/07/2017] [Indexed: 06/07/2023]
Abstract
This review focused on seven psychoactive drugs being six benzodiazepines (alprazolam, bromazepam, clonazepam, diazepam, lorazepam, and oxazepam) and one antidepressant (citalopram) widely consumed by modern society and detected in different aqueous matrices (drinking water, surface water, groundwater, seawater, estuary water, influent and effluent of wastewater treatment plants). The review included 219 selected scientific papers from which 1642 data/entries were obtained, each entry corresponding to one target compound in one aqueous matrix. Concentrations of all investigated drugs in all aqueous matrices varied from 0.14 to 840,000 ng L-1. Citalopram presented the highest concentrations in the aqueous matrices. Based on the Wilcoxon-Mann-Whitney test, differences between wastewater influents and effluents were not significant for most wastewater categories, suggesting that conventional wastewater treatment systems as such do not remove or remove partially these compounds. High-income countries showed much lower concentrations in surface water than the group formed by upper-middle-, lower-middle-, and low-income countries. Regarding analytical methods, solid-phase extraction (SPE) was by far the most used extraction method (83%) and performance liquid chromatography (HPLC) (73%) coupled to mass spectrometry (99%) the most common analytical method. Changes in behavior and in survival rates were the most common effects reported on bioindicators (aquatic species) due to the presence of these drugs in water. Concentrations of psychoactive drugs found in surface waters were most of the time within the range that caused measurable toxic effects in ecotoxicity assays.
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Affiliation(s)
- Deivisson Lopes Cunha
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil
- Post-Graduation Program in Environment (PPGMA), UERJ, Rio de Janeiro, Brazil
| | - Frederico Goytacazes de Araujo
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil
- Post-Graduation Program in Chemistry (PPGQ), UERJ, Rio de Janeiro, Brazil
| | - Marcia Marques
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil.
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Mailler R, Gasperi J, Patureau D, Vulliet E, Delgenes N, Danel A, Deshayes S, Eudes V, Guerin S, Moilleron R, Chebbo G, Rocher V. Fate of emerging and priority micropollutants during the sewage sludge treatment: Case study of Paris conurbation. Part 1: Contamination of the different types of sewage sludge. WASTE MANAGEMENT (NEW YORK, N.Y.) 2017; 59:379-393. [PMID: 27847230 DOI: 10.1016/j.wasman.2016.11.010] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/27/2016] [Accepted: 11/04/2016] [Indexed: 06/06/2023]
Abstract
This article provides data on the contamination of different kinds of sludge (raw, centrifuged, digested, thermally dried sludge and sludge cake) from Paris conurbation by 71 various pollutants including pharmaceutical products (PHPs), hormones, perfluorinated acids (PFAs), linear alkylbenzene sulfonate (LAS), alkylphenols (APs), phthalates (PAEs), polycyclic aromatic hydrocarbons (PAHs) and polychlorobiphenyls (PCBs). Very high contents of LAS (0.1-10g/kg dry matter - DM) compared to other compounds were found in all types of sludge followed by DEHP (10-100mg/kg DM) and fluoroquinolones (1-100mg/kg DM). APs were measured at intermediary contents in Parisian sludge, lying in the 2-20mg/kg DM range. Finally, hormones, PAHs, PCBs, PAEs, PFAs and the remaining PHPs were all found at contents lower than 1mg/kg DM. For most compounds (PHPs, PFOS, DEHP, PAHs), no significant differences in the micropollutant contents were found for similar types of sludge from different WWTP in Paris, highlighting the homogeneity of sludge contamination in downstream Paris catchment. The variability of concentration is rather high (coefficient of variation >100%) for several PHPs, PFAs or PCBs while it is moderate (<100%) or low (<50%) for fluoroquinolones, hormones, PAHs, APs or LAS. In addition, digestion seems to have a buffer effect as variabilities are lower in digested sludge for PHPs, PFAs, APs and PCBs. During sludge treatment (centrifugation, digestion, thermal drying, sludge conditioning+press filtration), the hormones, LAS, APs, PAHs, DEHP and PCBs concentrations increased, while those of PHPs and PFAs decreased. In the case of digestion, the increase of content can be explained by no pollutant removal or a lower removal than DM removal (concentration phenomenon) whereas the decrease underlines that the compound is more removed than the DM. In any case, these concentration variations presuppose the mechanisms of dissipation that could be attributed to volatilization, biotic or abiotic transformation (complete or with metabolites production), bound residues formation. In addition, data on sludge liquors - centrifuged (CW) and condensed (TDW) waters - from respectively centrifugation and thermal drying were collected. Several hormones, PHPs, PFAs, LAS, PAEs, APs, PCBs and PAHs were quantified in CW and TDW, displaying a transfer through the water removal. The concentrations observed are rather comparable to those found in wastewater.
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Affiliation(s)
- R Mailler
- SIAAP, Direction du Développement et de la Prospective, 82 avenue Kléber, 92700 Colombes, France.
| | - J Gasperi
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 61 avenue du Général De Gaulle, 94010 Créteil Cedex, France.
| | | | - E Vulliet
- Université de Lyon, Institut des Sciences Analytiques, UMR 5280 CNRS, Université Lyon 1, ENS-Lyon, 5 rue de la Doua, 69100 Villeurbanne, France
| | | | - A Danel
- LBE, INRA, 11100 Narbonne, France
| | - S Deshayes
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 61 avenue du Général De Gaulle, 94010 Créteil Cedex, France; LCPP (UMR 0050, INRA), 39 bis rue de Dantzig, 75015 Paris, France
| | - V Eudes
- LCPP (UMR 0050, INRA), 39 bis rue de Dantzig, 75015 Paris, France
| | - S Guerin
- SIAAP, Direction du Développement et de la Prospective, 82 avenue Kléber, 92700 Colombes, France
| | - R Moilleron
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 61 avenue du Général De Gaulle, 94010 Créteil Cedex, France
| | - G Chebbo
- LEESU (UMR MA 102, Université Paris-Est, Agro ParisTech), 6-8 avenue Blaise Pascal, Champs-sur-Marne, 77455 Marne-la-Vallée Cedex 2, France
| | - V Rocher
- SIAAP, Direction du Développement et de la Prospective, 82 avenue Kléber, 92700 Colombes, France.
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The Environmental Biorefinery: Using Microalgae to Remediate Wastewater, a Win-Win Paradigm. ENERGIES 2016. [DOI: 10.3390/en9030132] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Prasse C, Stalter D, Schulte-Oehlmann U, Oehlmann J, Ternes TA. Spoilt for choice: A critical review on the chemical and biological assessment of current wastewater treatment technologies. WATER RESEARCH 2015; 87:237-70. [PMID: 26431616 DOI: 10.1016/j.watres.2015.09.023] [Citation(s) in RCA: 158] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 09/02/2015] [Accepted: 09/11/2015] [Indexed: 05/28/2023]
Abstract
The knowledge we have gained in recent years on the presence and effects of compounds discharged by wastewater treatment plants (WWTPs) brings us to a point where we must question the appropriateness of current water quality evaluation methodologies. An increasing number of anthropogenic chemicals is detected in treated wastewater and there is increasing evidence of adverse environmental effects related to WWTP discharges. It has thus become clear that new strategies are needed to assess overall quality of conventional and advanced treated wastewaters. There is an urgent need for multidisciplinary approaches combining expertise from engineering, analytical and environmental chemistry, (eco)toxicology, and microbiology. This review summarizes the current approaches used to assess treated wastewater quality from the chemical and ecotoxicological perspective. Discussed chemical approaches include target, non-target and suspect analysis, sum parameters, identification and monitoring of transformation products, computational modeling as well as effect directed analysis and toxicity identification evaluation. The discussed ecotoxicological methodologies encompass in vitro testing (cytotoxicity, genotoxicity, mutagenicity, endocrine disruption, adaptive stress response activation, toxicogenomics) and in vivo tests (single and multi species, biomonitoring). We critically discuss the benefits and limitations of the different methodologies reviewed. Additionally, we provide an overview of the current state of research regarding the chemical and ecotoxicological evaluation of conventional as well as the most widely used advanced wastewater treatment technologies, i.e., ozonation, advanced oxidation processes, chlorination, activated carbon, and membrane filtration. In particular, possible directions for future research activities in this area are provided.
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Affiliation(s)
- Carsten Prasse
- Federal Institute of Hydrology (BfG), Department of Aquatic Chemistry, Koblenz, Germany; Department of Civil & Environmental Engineering, University of California at Berkeley, Berkeley, United States.
| | - Daniel Stalter
- National Research Centre for Environmental Toxicology, The University of Queensland, Queensland, Australia; Eawag, Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland
| | | | - Jörg Oehlmann
- Goethe University Frankfurt, Department Aquatic Ecotoxicology, Frankfurt, Germany
| | - Thomas A Ternes
- Federal Institute of Hydrology (BfG), Department of Aquatic Chemistry, Koblenz, Germany
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Hazrati H, Shayegan J, Seyedi SM. Biodegradation kinetics and interactions of styrene and ethylbenzene as single and dual substrates for a mixed bacterial culture. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2015; 13:72. [PMID: 26483955 PMCID: PMC4610050 DOI: 10.1186/s40201-015-0230-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 10/13/2015] [Indexed: 06/05/2023]
Abstract
This study examined biodegradation kinetics of styrene and ethylbenzene as representatives of alkenylbenzenes and mono-alkylbenzenes, respectively. The compounds were studied independently and as binary mixtures using a series of aerobic batch degradation experiments introduced by acclimatized mix culture. Initial concentration of styrene and ethylbenzene in the liquid phase vacillated from 0 to 220 mg/l. The Andrew model was applied for the biodegradation of individual substrates and the estimated constants of the equation for styrene and ethylbenzene were μmax = 0.1581, 0.2090 (1/h), KS =25.91, 37.77 (mg/L), KI =13.15, 62.62 (mg/L), respectively. The accomplished parameters from single substrate degradation tests were used to predict possible interaction factors achieved from dual substrate experiments. The Sum Kinetics with Interaction Parameters (SKIP) model and the purely competitive enzyme kinetics model were employed to evaluate any interactions. The SKIP model was found to accurately describe these interactions. Moreover, it was revealed that ethylbenzene plays an influential role on styrene consumption (e.g. IE,S = 1.64) compared to styrene which has insignificant inhibitory effect on ethylbenzene usage (e.g. IS,E =0.4) . The active site differences for styrene and ethylbenzene biodegradation and the pathway variations for biodegradation are among the major potential reasons for failure of the estimation that occurred in purely competitive kinetics model. This study is the first to calculate the interactions between styrene and ethylbenzene.
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Affiliation(s)
- Hossein Hazrati
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Jalal Shayegan
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Seyed Mojtaba Seyedi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
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Besnault S, Choubert JM, Miège C, Martin-Ruel S, Noyon N, Esperanza M, Budzinski H, Le Menach K, Dherret L, Bados P, Coquery M. Devenir des micropolluants adsorbables à travers les procédés de traitement des boues. ACTA ACUST UNITED AC 2015. [DOI: 10.1051/tsm/201503084] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Sébastian C, Becouze-Lareure C, Lipeme Kouyi G, Barraud S. Event-based quantification of emerging pollutant removal for an open stormwater retention basin - loads, efficiency and importance of uncertainties. WATER RESEARCH 2015; 72:239-250. [PMID: 25683631 DOI: 10.1016/j.watres.2014.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 10/22/2014] [Accepted: 11/08/2014] [Indexed: 06/04/2023]
Abstract
Up to now, emerging contaminants have not been further-studied in in-situ stormwater best management practices and especially in detention basins. In this article, the efficiency of a dry stormwater detention basin was investigated regarding the removal of 7 alkylphenols and alkylphenol ethoxylates, 9 polybrominated diphenyl ethers, 45 pesticides and bisphenol A. Concentrations of contaminants were obtained by chemical analysis on dissolved and particulate phase distinctly. The removal efficiency was assessed on total, dissolved and particulate phase accounting for the global chain of uncertainty with a 95% confidence interval. Results showed that pesticides (rather hydrophilic) are not trapped in the detention basin but are released contrarily to B209 which is mostly in particulate phase. Alkylphenols and alkylphenol ethoxylates are present in both phases and the efficiency is storm event-dependent. Uncertainty consideration in efficiency determination revealed efficiency data, usually presented by raw values are not relevant to conclude on the performance of a detention basin. In this case study, efficiency data with a 95% confidence interval indicate that only 35%, 50% and 41% of campaigns showed an impact (in trapping or releasing) of the detention basin on alkylphenols and ethoxylates, polybrominated diphenyl ethers and pesticides respectively.
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Affiliation(s)
- C Sébastian
- University of Lyon, INSA of Lyon, Laboratory of Civil and Environmental Engineering (LGCIE), 34, avenue des Arts, 69621 Villeurbanne Cedex, France.
| | - C Becouze-Lareure
- University of Lyon, INSA of Lyon, Laboratory of Civil and Environmental Engineering (LGCIE), 34, avenue des Arts, 69621 Villeurbanne Cedex, France.
| | - G Lipeme Kouyi
- University of Lyon, INSA of Lyon, Laboratory of Civil and Environmental Engineering (LGCIE), 34, avenue des Arts, 69621 Villeurbanne Cedex, France.
| | - S Barraud
- University of Lyon, INSA of Lyon, Laboratory of Civil and Environmental Engineering (LGCIE), 34, avenue des Arts, 69621 Villeurbanne Cedex, France.
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Mailler R, Gasperi J, Coquet Y, Deshayes S, Zedek S, Cren-Olivé C, Cartiser N, Eudes V, Bressy A, Caupos E, Moilleron R, Chebbo G, Rocher V. Study of a large scale powdered activated carbon pilot: Removals of a wide range of emerging and priority micropollutants from wastewater treatment plant effluents. WATER RESEARCH 2015; 72:315-30. [PMID: 25466636 DOI: 10.1016/j.watres.2014.10.047] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 10/01/2014] [Accepted: 10/21/2014] [Indexed: 05/22/2023]
Abstract
The efficacy of a fluidized powdered activated carbon (PAC) pilot (CarboPlus(®)) was studied in both nominal (total nitrification + post denitrification) and degraded (partial nitrification + no denitrification) configuration of the Seine Centre WWTP (Colombes, France). In addition to conventional wastewater parameters 54 pharmaceuticals and hormones (PhPHs) and 59 other emerging pollutants were monitored in influents and effluents of the pilot. Thus, the impacts of the WWTP configuration, the process operation and the physico-chemical properties of the studied compounds were assessed in this article. Among the 26 PhPHs quantified in nominal WWTP configuration influents, 8 have high dissolved concentrations (>100 ng/L), 11 have an intermediary concentration (10-100 ng/L) and 7 are quantified below 10 ng/L. Sulfamethoxazole is predominant (about 30% of the sum of the PhPHs). Overall, 6 PhPHs are poorly to moderately removed (<60%), such as ibuprofen, paracetamol or estrone, while 9 are very well removed (>80%), i.e. beta blockers, carbamazepine or trimethoprim, and 11 are well eliminated (60-80%), i.e. diclofenac, naproxen or sulfamethoxazole. In degraded WWTP configuration, higher levels of organic matter and higher concentrations of most pollutants are observed. Consequently, most PhPHs are substantially less removed in percentages but the removed flux is higher. Thus, the PAC dose required to achieve a given removal percentage is higher in degraded WWTP configuration. For the other micropollutants (34 quantified), artificial sweeteners and phthalates are found at particularly high concentrations in degraded WWTP configuration influents, up to μg/L range. Only pesticides, bisphenol A and parabens are largely eliminated (50-95%), while perfluorinated acids, PAHs, triclosan and sweeteners are not or weakly removed (<50%). The remaining compounds exhibit a very variable fate from campaign to campaign. The fresh PAC dose was identified as the most influencing operation parameter and is strongly correlated to performances. Charge and hydrophobicity of compounds have been recognized as crucial for the micropollutant adsorption on PAC, as well as the molecular weight. Finally, a PAC dose of 10 mg/L allows an average removal of 72-80% of the sum of the PhPHs in nominal WWTP configuration. The comparaison of the results with those from the scarce other studies tends to indicate that an extrapolation of them to different PAC processes and to other WWTPs could be possible and relevant, taking into account the differences of water quality from WWTP to WWTP.
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Affiliation(s)
- R Mailler
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France.
| | - J Gasperi
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France.
| | - Y Coquet
- SAUR, Direction de la Recherche et du Développement, 1 rue Antoine Lavoisier, 78064 Guyancourt, France
| | - S Deshayes
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France; LCPP (Laboratoire Central de la Préfecture de Police), 39 bis rue de Dantzig, 75015 Paris, France
| | - S Zedek
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France
| | - C Cren-Olivé
- ISA (UMR 5280, Institut des Sciences Analytiques, CNRS), 5 rue de la Doua, 69100 Villeurbanne, France
| | - N Cartiser
- ISA (UMR 5280, Institut des Sciences Analytiques, CNRS), 5 rue de la Doua, 69100 Villeurbanne, France
| | - V Eudes
- LCPP (Laboratoire Central de la Préfecture de Police), 39 bis rue de Dantzig, 75015 Paris, France
| | - A Bressy
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France
| | - E Caupos
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France
| | - R Moilleron
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France
| | - G Chebbo
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 6-8 avenue Blaise Pascal, Champs-sur-Marne, 77455 Marne-la-Vallée Cedex 2, France
| | - V Rocher
- SIAAP, Direction du Développement et de la Prospective, 82 avenue Kléber, 92700 Colombes, France
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Pomiès M, Choubert JM, Wisniewski C, Miège C, Budzinski H, Coquery M. Lab-scale experimental strategy for determining micropollutant partition coefficient and biodegradation constants in activated sludge. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:4383-4395. [PMID: 25300180 DOI: 10.1007/s11356-014-3646-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 09/22/2014] [Indexed: 06/04/2023]
Abstract
The nitrifying/denitrifying activated sludge process removes several micropollutants from wastewater by sorption onto sludge and/or biodegradation. The objective of this paper is to propose and evaluate a lab-scale experimental strategy for the determination of partition coefficient and biodegradation constant for micropollutant with an objective of modelling their removal. Four pharmaceutical compounds (ibuprofen, atenolol, diclofenac and fluoxetine) covering a wide hydrophobicity range (log Kow from 0.16 to 4.51) were chosen. Dissolved and particulate concentrations were monitored for 4 days, inside two reactors working under aerobic and anoxic conditions, and under different substrate feed conditions (biodegradable carbon and nitrogen). We determined the mechanisms responsible for the removal of the target compounds: (i) ibuprofen was biodegraded, mainly under aerobic conditions by cometabolism with biodegradable carbon, whereas anoxic conditions suppressed biodegradation; (ii) atenolol was biodegraded under both aerobic and anoxic conditions (with a higher biodegradation rate under aerobic conditions), and cometabolism with biodegradable carbon was the main mechanism; (iii) diclofenac and fluoxetine were removed by sorption only. Finally, the abilities of our strategy were evaluated by testing the suitability of the parameters for simulating effluent concentrations and removal efficiency at a full-scale plant.
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Affiliation(s)
- M Pomiès
- Irstea, UR MALY, 5 rue de la Doua, CS70077, 69626, Villeurbanne, Cedex, France
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29
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Mesquita SR, Ergen ŞF, Rodrigues AP, Oliva-Teles MT, Delerue-Matos C, Guimarães L. N-Acetyl-β-D-glucosaminidase activity in feral Carcinus maenas exposed to cadmium. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 159:225-232. [PMID: 25560650 DOI: 10.1016/j.aquatox.2014.12.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 11/13/2014] [Accepted: 12/09/2014] [Indexed: 06/04/2023]
Abstract
Cadmium is a priority hazardous substance, persistent in the aquatic environment, with the capacity to interfere with crustacean moulting. Moulting is a vital process dictating crustacean growth, reproduction and metamorphosis. However, for many organisms, moult disruption is difficult to evaluate in the short term, what limits its inclusion in monitoring programmes. N-acetyl-β-D-glucosaminidase (NAGase) is an enzyme acting in the final steps of the endocrine-regulated moulting cascade, allowing for the cast off of the old exoskeleton, with potential interest as a biomarker of moult disruption. This study investigated responses to waterborne cadmium of NAGase activity of Carcinus maenas originating from estuaries with different histories of anthropogenic contamination: a low impacted and a moderately polluted one. Crabs from both sites were individually exposed for seven days to cadmium concentrations ranging from 1.3 to 2000 μg/L. At the end of the assays, NAGase activity was assessed in the epidermis and digestive gland. Detoxification, antioxidant, energy production, and oxidative stress biomarkers implicated in cadmium metabolism and tolerance were also assessed to better understand differential NAGase responses: activity of glutathione S-transferases (GST), glutathione peroxidase (GPx) glutathione reductase (GR), levels of total glutathiones (TG), lipid peroxidation (LPO), lactate dehydrogenase (LDH), and NADP(+)-dependent isocitrate dehydrogenase (IDH). Animals from the moderately polluted estuary had lower NAGase activity both in the epidermis and digestive gland than in the low impacted site. NAGase activity in the epidermis and digestive gland of C. maenas from both estuaries was sensitive to cadmium exposure suggesting its usefulness for inclusion in monitoring programmes. However, in the digestive gland NAGase inhibition was found in crabs from the less impacted site but not in those from the moderately contaminated one. Altered glutathione levels were observed in cadmium-treated crabs from the contaminated site possibly conferring enhanced tolerance to these animals through its chelator action. Investigation of enhanced tolerance should thus be accounted for in monitoring programmes employing NAGase as biomarker to avoid data misinterpretation.
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Affiliation(s)
- Sofia Raquel Mesquita
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal; ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Şeyda Fikirdeşici Ergen
- Faculty of Science, Ankara University, Department of Biology, 06100 Tandogan, Ankara, Turkey
| | - Aurélie Pinto Rodrigues
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal; ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - M Teresa Oliva-Teles
- REQUIMTE, School of Engineering, Polytechnic Institute of Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE, School of Engineering, Polytechnic Institute of Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal
| | - Laura Guimarães
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal.
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Carvalho PN, Basto MCP, Almeida CMR, Brix H. A review of plant-pharmaceutical interactions: from uptake and effects in crop plants to phytoremediation in constructed wetlands. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:11729-11763. [PMID: 24481515 DOI: 10.1007/s11356-014-2550-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2013] [Accepted: 01/12/2014] [Indexed: 05/29/2023]
Abstract
Pharmaceuticals are commonly found both in the aquatic and the agricultural environments as a consequence of the human activities and associated discharge of wastewater effluents to the environment. The utilization of treated effluent for crop irrigation, along with land application of manure and biosolids, accelerates the introduction of these compounds into arable lands and crops. Despite the low concentrations of pharmaceuticals usually found, the continuous introduction into the environment from different pathways makes them 'pseudo-persistent'. Several reviews have been published regarding the potential impact of veterinary and human pharmaceuticals on arable land. However, plant uptake as well as phytotoxicity data are scarcely studied. Simultaneously, phytoremediation as a tool for pharmaceutical removal from soils, sediments and water is starting to be researched, with promising results. This review gives an in-depth overview of the phytotoxicity of pharmaceuticals, their uptake and their removal by plants. The aim of the current work was to map the present knowledge concerning pharmaceutical interactions with plants in terms of uptake and the use of plant-based systems for phytoremediation purposes.
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Affiliation(s)
- Pedro N Carvalho
- Department of Biosciences, Aarhus University, Ole Worms Allé 1, Building 1135, 8000, Aarhus C, Denmark,
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Al Aukidy M, Verlicchi P, Voulvoulis N. A framework for the assessment of the environmental risk posed by pharmaceuticals originating from hospital effluents. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 493:54-64. [PMID: 24937492 DOI: 10.1016/j.scitotenv.2014.05.128] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 05/27/2014] [Accepted: 05/27/2014] [Indexed: 05/15/2023]
Abstract
The consumption of pharmaceuticals is increasing in both hospitals and households. After administration, many compounds enter the water cycle as parent compounds or their metabolites via excretion. Conventional municipal wastewater treatment plants are unable to efficiently remove all the different compounds found in sewage and, consequently, treated effluents are one of the main sources of persistent micropollutants in the environment. Hospital patients are administered relatively high quantities of drugs and therefore hospital wastewaters can consistently contribute to treatment plant influent loads, with the magnitude of environmental risk posed by pharmaceuticals originating from hospital effluents largely unknown. This study has therefore developed a framework to enable authorities responsible for hospital management and environmental health to evaluate such risk, considering site-specific information such as the contribution of human population and hospital sizes, wastewater treatment removal efficiency, and potential dilution in the receiving water body. The framework was applied to three case studies, that are representative of frequent situations in many countries, and findings demonstrated that the degree of risk posed by any compound was site-specific and depended on a combination of several factors: compound concentration and toxicity, compound removal efficiency in the wastewater treatment plant and dilution factor. Ofloxacin, 17α-ethinylestradiol, erythromycin and sulfamethoxazole were identified as compounds of concern and might require management in order to reduce risk.
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Affiliation(s)
- Mustafa Al Aukidy
- Department of Engineering, University of Ferrara, Via Saragat 1, I-44122 Ferrara Italy; Terra&Acqua Technopole, University of Ferrara, Via Borsari 46, I-44121 Ferrara, Italy.
| | - Paola Verlicchi
- Department of Engineering, University of Ferrara, Via Saragat 1, I-44122 Ferrara Italy; Terra&Acqua Technopole, University of Ferrara, Via Borsari 46, I-44121 Ferrara, Italy.
| | - Nikolaos Voulvoulis
- Centre for Environmental Policy, Imperial College London, SW7 2AZ London, UK.
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Tahar A, Choubert JM, Miège C, Esperanza M, Le Menach K, Budzinski H, Wisniewski C, Coquery M. Removal of xenobiotics from effluent discharge by adsorption on zeolite and expanded clay: an alternative to activated carbon? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:5660-5668. [PMID: 24430496 DOI: 10.1007/s11356-013-2439-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Accepted: 12/06/2013] [Indexed: 06/03/2023]
Abstract
Xenobiotics such as pesticides and pharmaceuticals are an increasingly large problem in aquatic environments. A fixed-bed adsorption filter, used as tertiary stage of sewage treatment, could be a solution to decrease xenobiotics concentrations in wastewater treatment plants (WWTPs) effluent. The adsorption efficiency of two mineral adsorbent materials (expanded clay (EC) and zeolite (ZE)), both seen as a possible alternative to activated carbon (AC), was evaluated in batch tests. Experiments involving secondary treated domestic wastewater spiked with a cocktail of ten xenobiotics (eight pharmaceuticals and two pesticides) known to be poorly eliminated in conventional biological process were carried out. Removal efficiencies and partitions coefficients were calculated for two levels of initial xenobiotic concentration, i.e, concentrations lower to 10 μg/L and concentrations ranged from 100 to 1,000 μg/L. While AC was the most efficient adsorbent material, both alternative adsorbent materials showed good adsorption efficiencies for all ten xenobiotics (from 50 to 100 % depending on the xenobiotic/adsorbent material pair). For all the targeted xenobiotics, at lower concentrations, EC presented the best adsorption potential with higher partition coefficients, confirming the results in terms of removal efficiencies. Nevertheless, Zeolite presents virtually the same adsorption potential for both high and low xenobiotics concentrations to be treated. According to this first batch investigation, ZE and EC could be used as alternative absorbent materials to AC in WWTP.
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Affiliation(s)
- A Tahar
- Irstea, UR MALY, 5 rue de la Doua, CS70077, 69626, Villeurbanne Cedex, France,
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Mailler R, Gasperi J, Rocher V, Gilbert-Pawlik S, Geara-Matta D, Moilleron R, Chebbo G. Biofiltration vs conventional activated sludge plants: what about priority and emerging pollutants removal? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:5379-5390. [PMID: 24366825 DOI: 10.1007/s11356-013-2388-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Accepted: 11/20/2013] [Indexed: 06/03/2023]
Abstract
This paper compares the removal performances of two complete wastewater treatment plants (WWTPs) for all priority substances listed in the Water Framework Directive and additional compounds of interest including flame retardants, surfactants, pesticides, and personal care products (PCPs) (n = 104). First, primary treatments such as physicochemical lamellar settling (PCLS) and primary settling (PS) are compared. Similarly, biofiltration (BF) and conventional activated sludge (CAS) are then examined. Finally, the removal efficiency per unit of nitrogen removed of both WWTPs for micropollutants is discussed, as nitrogenous pollution treatment results in a special design of processes and operational conditions. For primary treatments, hydrophobic pollutants (log K ow > 4) are well removed (>70 %) for both systems despite high variations of removal. PCLS allows an obvious gain of about 20 % regarding pollutant removals, as a result of better suspended solids elimination and possible coagulant impact on soluble compounds. For biological treatments, variations of removal are much weaker, and the majority of pollutants are comparably removed within both systems. Hydrophobic and volatile compounds are well (>60 %) or very well removed (>80 %) by sorption and volatilization. Some readily biodegradable molecules are better removed by CAS, indicating a better biodegradation. A better sorption of pollutants on activated sludge could be also expected considering the differences of characteristics between a biofilm and flocs. Finally, comparison of global processes efficiency using removals of micropollutants load normalized to nitrogen shows that PCLS + BF is as efficient as PS + CAS despite a higher compactness and a shorter hydraulic retention time (HRT). Only some groups of pollutants seem better removed by PS + CAS like alkylphenols, flame retardants, or di-2-ethylhexyl phthalate (DEHP), thanks to better biodegradation and sorption resulting from HRT and biomass characteristics. For both processes, and out of the 68 molecules found in raw water, only half of them are still detected in the water discharged, most of the time close to their detection limit. However, some of them are detected at higher concentrations (>1 μg/L and/or lower than environmental quality standards), which is problematic as they represent a threat for aquatic environment.
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Affiliation(s)
- R Mailler
- LEESU (UMR MA 102, Université Paris-Est, AgroParisTech), 6-8 avenue Blaise Pascal, Champs-sur-Marne, 77455, Marne-la-Vallée Cedex 2, France,
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Mohapatra DP, Brar SK, Tyagi RD, Picard P, Surampalli RY. Analysis and advanced oxidation treatment of a persistent pharmaceutical compound in wastewater and wastewater sludge-carbamazepine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 470-471:58-75. [PMID: 24140682 DOI: 10.1016/j.scitotenv.2013.09.034] [Citation(s) in RCA: 117] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 09/12/2013] [Accepted: 09/12/2013] [Indexed: 05/22/2023]
Abstract
Pharmaceutically active compounds (PhACs) are considered as emerging environmental problem due to their continuous input and persistence to the aquatic ecosystem even at low concentrations. Among them, carbamazepine (CBZ) has been detected at the highest frequency, which ends up in aquatic systems via wastewater treatment plants (WWTPs) among other sources. The identification and quantification of CBZ in wastewater (WW) and wastewater sludge (WWS) is of major interest to assess the toxicity of treated effluent discharged into the environment. Furthermore, WWS has been subjected for re-use either in agricultural application or for the production of value-added products through the route of bioconversion. However, this field application is disputable due to the presence of these organic compounds and in order to protect the ecosystem or end users, data concerning the concentration, fate, behavior as well as the perspective of simultaneous degradation of these compounds is urgently necessary. Many treatment technologies, including advanced oxidation processes (AOPs) have been developed in order to degrade CBZ in WW and WWS. AOPs are technologies based on the intermediacy of hydroxyl and other radicals to oxidize recalcitrant, toxic and non-biodegradable compounds to various by-products and eventually to inert end products. The purpose of this review is to provide information on persistent pharmaceutical compound, carbamazepine, its ecological effects and removal during various AOPs of WW and WWS. This review also reports the different analytical methods available for quantification of CBZ in different contaminated media including WW and WWS.
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Affiliation(s)
- D P Mohapatra
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada
| | - S K Brar
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada.
| | - R D Tyagi
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada
| | - P Picard
- Phytronix Technologies, 4535 Boulevard Wilfrid Hamel, Québec G1P 2J7, Canada
| | - R Y Surampalli
- US Environmental Protection Agency, P.O. Box 17-2141, Kansas City, KS 66117, USA
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Domínguez-Morueco N, Moreno H, Barreno E, Catalá M. Preliminary assessment of terrestrial microalgae isolated from lichens as testing species for environmental monitoring: lichen phycobionts present high sensitivity to environmental micropollutants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2014; 99:35-44. [PMID: 24183288 DOI: 10.1016/j.ecoenv.2013.10.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 10/02/2013] [Accepted: 10/06/2013] [Indexed: 06/02/2023]
Abstract
Bioassays constitute a tool for pollution analysis providing a holistic approach and high-quality indication of the toxicity. Microbioassays allow evaluating the toxicity of many samples, implying lower costs and enabling routine monitoring and pollution control. But tests conducted so far are limited to the use of a small number of taxa. Lichens are excellent bioindicators of pollution with great ecological significance. Studies show that the phycobiont is more sensitive to pollutants than the mycobiont. Phycobiont have features such as adaptation to anhydrobiosis and relatively rapid growth in vitro, making them suitable for microbioassays. Our aim is to determine the sensitivity of phycobionts to the pharmaceutical micropollutants carbamazepine and diclofenac as a preliminary step for the development of a toxicity microbioassay based on phycobionts. Optical dispersion and chlorophyll autofluorescence were used as endpoints of toxicity on two algal species showing that suspensions present cyclic and taxon specific patterns of aggregation. Trebouxia TR9 suspensions present a very high grade of aggregation while Asterochloris erici cells do not. Both micropollutants alter optical properties of the suspensions of both species. No significant alteration of chlorophyll autofluorescence by carbamazepine is observed. A. erici chlorophyll autofluorescence is extremely sensitive to diclofenac but the effect is not dependent on the drug concentration or on the time of exposure. Differently, TR9 only shows punctual chlorophyll alterations. Fluctuations in optical dispersion may indicate changes in the population structure of the species, including reproductive strategy. A. erici seems more sensitive to micropollutants, is better characterized and is available from commercial collections.
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Affiliation(s)
- N Domínguez-Morueco
- Departamento de Biología y Geología, ESCET, Universidad Rey Juan Carlos, C/ Tulipán s/n, 28933 Móstoles, Madrid, Spain.
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Fisher PMJ, Smith DA, Collignon PJ. The after‐life of drugs: a responsible care initiative for reducing their environmental impact. Med J Aust 2013; 199:388-90. [DOI: 10.5694/mja12.10904] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Accepted: 06/12/2013] [Indexed: 11/17/2022]
Affiliation(s)
- Peter M J Fisher
- School of Global Studies, Social Science and Planning, RMIT University, Melbourne, VIC
| | | | - Peter J Collignon
- Canberra Hospital, Canberra, ACT
- Medical School, Australian National University, Canberra, ACT
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Pomiès M, Choubert JM, Wisniewski C, Coquery M. Modelling of micropollutant removal in biological wastewater treatments: a review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2013; 443:733-748. [PMID: 23228719 DOI: 10.1016/j.scitotenv.2012.11.037] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 11/08/2012] [Accepted: 11/08/2012] [Indexed: 06/01/2023]
Abstract
Modelling the fate of micropollutants through wastewater treatment plants is of present concern. Indeed, such a tool is useful to increase the removal of micropollutants and reduce their release to the environment. In this paper, 18 literature models describing micropollutant removal in activated sludge processes were reviewed. Investigated micropollutants were mainly volatile organic compounds, metals, surfactants, pesticides and pharmaceutical compounds. This work provides a detailed insight about the main mechanisms leading to the micropollutant removal (volatilisation, sorption, biodegradation, cometabolism), the associated mathematical equations and the parameter values found in the literature. A critical analysis was carried out to evaluate the conditions and the domain of validity for which each model was set-up. We also propose (i) an inventory of the experimental methodologies applied to determine the values of model parameters, (ii) a critical study of the main differences between models and (iii) suggestions for a standardisation of calibration methodologies. Finally, this review highlights the lack of explanation concerning the domain of validity of the models and proposes future developments to improve modelling of micropollutant removal in wastewater treatment plants.
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Affiliation(s)
- M Pomiès
- Irstea, UR MALY (Freshwater Systems, Ecology and Pollution Research Unit), 5 rue de la Doua, CS 70077, F-69626, Villeurbanne Cedex, France
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Mozo I, Lesage G, Yin J, Bessiere Y, Barna L, Sperandio M. Dynamic modeling of biodegradation and volatilization of hazardous aromatic substances in aerobic bioreactor. WATER RESEARCH 2012; 46:5327-5342. [PMID: 22877879 DOI: 10.1016/j.watres.2012.07.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Revised: 07/09/2012] [Accepted: 07/10/2012] [Indexed: 06/01/2023]
Abstract
The aerobic biological process is one of the best technologies available for removing hazardous organic substances from industrial wastewaters. But in the case of volatile organic compounds (benzene, toluene, ethylbenzene, p-xylene, naphthalene), volatilization can contribute significantly to their removal from the liquid phase. One major issue is to predict the competition between volatilization and biodegradation in biological process depending on the target molecule. The aim of this study was to develop an integrated dynamic model to evaluate the influence of operating conditions, kinetic parameters and physical properties of the molecule on the main pathways (biodegradation and volatilization) for the removal of Volatile Organic Compounds (VOC). After a comparison with experimental data, sensitivity studies were carried out in order to optimize the aerated biological process. Acclimatized biomass growth is limited by volatilization, which reduces the bioavailability of the substrate. Moreover, the amount of biodegraded substrate is directly proportional to the amount of active biomass stabilized in the process. Model outputs predict that biodegradation is enhanced at high SRT for molecules with low H and with a high growth rate population. Air flow rate should be optimized to meet the oxygen demand and to minimize VOC stripping. Finally, the feeding strategy was found to be the most influential operating parameter that should be adjusted in order to enhance VOC biodegradation and to limit their volatilization in sequencing batch reactors (SBR).
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Affiliation(s)
- I Mozo
- Université de Toulouse, INSA, UPS, INP, LISBP, 135 Avenue de Rangueil, F-31077 Toulouse, France
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Gardner M, Comber S, Scrimshaw MD, Cartmell E, Lester J, Ellor B. The significance of hazardous chemicals in wastewater treatment works effluents. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 437:363-372. [PMID: 22960111 DOI: 10.1016/j.scitotenv.2012.07.086] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Revised: 07/23/2012] [Accepted: 07/26/2012] [Indexed: 05/27/2023]
Abstract
The advent of increasingly stringent and wider ranging European Union legislation relating to water and the environment has required regulators to assess compliance risk and to respond by formulating appropriate pollution control measures. To support this process the UK Water Industry has completed a national Chemicals Investigation Programme (CIP), to monitor over 160 wastewater treatment works (WwTWs) for 70 determinands. Final effluent concentrations of zinc, polynuclear aromatic hydrocarbons (fluoranthene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene and indeno(1,2,3-cd)pyrene), "penta" congeners (BDEs) 47 and 99, tributyltin, triclosan, erythromycin, oxytetracycline, ibuprofen, propranolol, fluoxetine, diclofenac, 17β-estradiol and 17α-ethinyl estradiol exceeded existing or proposed Environmental Quality Standards (EQSs) in over 50% of WwTWs. Dilution by receiving water might ensure compliance with EQSs for these chemicals, apart from the BDEs. However, in some cases there will be insufficient dilution to ensure compliance and additional management options may be required.
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Affiliation(s)
- Michael Gardner
- Atkins Limited, 500, Park Avenue, Aztec West, Almondsbury, Bristol BS32 4RZ, UK.
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