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Poursat BAJ, Langenhoff AAM, Feng J, Goense J, Peters RJB, Sutton NB. Effect of ultra-high-density polyethylene microplastic on the sorption and biodegradation of organic micropollutants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 279:116510. [PMID: 38810284 DOI: 10.1016/j.ecoenv.2024.116510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/29/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024]
Abstract
Microplastics and organic micropollutants are two emerging contaminants that interact with each other in environmental and engineered systems. Sorption of organic micropollutants, such as pharmaceuticals, pesticides and industrial compounds, to microplastics can modify their bioavailability and biodegradation. The present study investigated the capacity of ultra-high density polyethylene particles (125 µm in diameter), before and after aging, to sorb 21 organic micropollutants at different environmentally relevant concentration. Furthermore, the biodegradation of these organic micropollutants by a biofilm microbial community growing on the microplastic surface was compared with the biodegradation by a microbial community originating from activated sludge. Among all tested organic micropollutants, propranolol (70%), trimethoprim (25%) and sotalol (15%) were sorbed in the presence of polyethylene particles. Growth of a biofilm on the polyethylene particles had a beneficial effect on the sorption of bromoxynil, caffeine and chloridazon and on the biodegradation of irbesartan, atenolol and benzotriazole. On the other hand, the biofilm limited the sorption of trimethoprim, propranolol, sotalol and benzotriazole and the biodegradation of 2,4-D. These results showed that ultra-high density polyethylene particles can affect both in a positive and negative way for the abiotic and biotic removal of organic micropollutants in wastewater. This project highlights the need for further investigation regarding the interaction between microplastics and organic micropollutants in the aquatic environment.
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Affiliation(s)
- Baptiste A J Poursat
- Environmental Technology, Wageningen University & Research, P.O. Box 17, Wageningen 6700 AA, the Netherlands.
| | - Alette A M Langenhoff
- Environmental Technology, Wageningen University & Research, P.O. Box 17, Wageningen 6700 AA, the Netherlands
| | - Jiahao Feng
- Environmental Technology, Wageningen University & Research, P.O. Box 17, Wageningen 6700 AA, the Netherlands
| | - Julianne Goense
- Environmental Technology, Wageningen University & Research, P.O. Box 17, Wageningen 6700 AA, the Netherlands
| | - Ruud J B Peters
- Wageningen Food Safety Research, Wageningen University & Research, Akkermaalsbos 2, Wageningen 6708 WB, the Netherlands
| | - Nora B Sutton
- Environmental Technology, Wageningen University & Research, P.O. Box 17, Wageningen 6700 AA, the Netherlands
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2
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Bartels Y, Jekel M, Putschew A. Can reductive deiodination improve the sorption of iodinated X-ray contrast media to aquifer material during bank filtration? CHEMOSPHERE 2023; 326:138438. [PMID: 36940829 DOI: 10.1016/j.chemosphere.2023.138438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
Iodinated X-ray contrast media (ICM) as well as their aerobic transformation products (TPs), are highly polar triiodobenzoic acid derivatives, ubiquitously found in the urban water cycle. Based on their polarity, their sorption affinity to sediment and soil is negligible. However, we hypothesize that the iodine atoms bound to the benzene ring play a decisive role for sorption, due to their large atom radius, high electron number and symmetrical positioning within the aromatic system. The aim of this study is to investigate, if the (partial) deiodination, occurring during anoxic/anaerobic bank filtration, improves the sorption to aquifer material. Tri, di, mono and deiodinated structures of two ICMs (iopromide and diatrizoate) and one precursor/TP of ICM (5-amino-2,4,6-triiodoisophtalic acid) were tested in batch experiments, using two aquifer sands and a loam soil with and without organic matter. The di, mono and deiodinated structures were produced by (partial) deiodination of the triiodinated initial compounds. The results demonstrated that the (partial) deiodination increases the sorption to all tested sorbents, even though the theoretical polarity increases with decreasing number of iodine atoms. Whereas lignite particles positively affected the sorption, mineral components decreased it. Kinetics tests show biphasic sorption for the deiodinated derivatives. We have concluded that iodine affects the sorption by sterical hindrance, repulsive forces, resonance and inductive effects, depending on the number and position of iodine, side chain characteristics and composition of the sorbent material. Our study has revealed an increased sorption potential of ICMs and their iodinated TPs to aquifer material during anoxic/anaerobic bank filtration as a result of (partial) deiodination, whereby a complete deiodination is not necessary for efficient removal by sorption. Furthermore, it suggests that the combination of an initial aerobic (side chain transformations) and a subsequent anoxic/anaerobic (deiodination) redox milieu supports the sorption potential.
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Affiliation(s)
- Yuki Bartels
- Technische Universität Berlin, Faculty III Process Sciences, Institute of Environmental Technology, Chair Water Quality Engineering, Strasse des 17. Juni 135, 10623 Berlin, Germany
| | - Martin Jekel
- Technische Universität Berlin, Faculty III Process Sciences, Institute of Environmental Technology, Chair Water Quality Engineering, Strasse des 17. Juni 135, 10623 Berlin, Germany
| | - Anke Putschew
- Technische Universität Berlin, Faculty III Process Sciences, Institute of Environmental Technology, Chair Water Quality Engineering, Strasse des 17. Juni 135, 10623 Berlin, Germany.
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Smith R, Sayen S, Guillon E. Adsorption of Individual and Mixtures of β-Blockers and Copper in Soils and Sediments. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2700-2707. [PMID: 35899978 PMCID: PMC9828069 DOI: 10.1002/etc.5448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/29/2021] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
The (bio)availability of pharmaceuticals at solid/water interfaces is governed by their sorption, which determines their concentrations in groundwaters and surface waters in contact with biota, and can be affected by the presence of other contaminants such as metallic trace elements likely to compete for adsorption sites and form complexes with pharmaceuticals. We studied the adsorption of the pharmaceuticals propranolol and sotalol-two β-blockers-on one soil and one sediment using batch experiments to assess their (bio)availability. The influence of contact time, pH, and concentration was studied. As in the real environment these contaminants are not alone but in mixtures, and they were studied alone, simultaneously added, and in the presence of Cu2+ , which is known to form coordination complexes with propranolol and sotalol, but their presence in mixtures did not alter their adsorption properties. Sotalol was more mobile in water and thus more bioavailable for organisms than propranolol. The mobility in surface waters of both β-blockers and thus their bioavailabity for organisms is more important than their risk of transfer to groundwater during rainwater infiltration and to surface water due to runoff. Environ Toxicol Chem 2022;41:2700-2707. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Rose‐Michelle Smith
- Institut de Chimie Moléculaire de Reims (ICMR), UMR CNRS 7312Université de Reims Champagne‐ArdenneReims Cedex 2France
| | - Stéphanie Sayen
- Institut de Chimie Moléculaire de Reims (ICMR), UMR CNRS 7312Université de Reims Champagne‐ArdenneReims Cedex 2France
| | - Emmanuel Guillon
- Institut de Chimie Moléculaire de Reims (ICMR), UMR CNRS 7312Université de Reims Champagne‐ArdenneReims Cedex 2France
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4
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Guillemoto Q, Picot-Colbeaux G, Valdes D, Devau N, Mathurin FA, Pettenati M, Kloppmann W, Mouchel JM. Transfer of trace organic compounds in an operational soil-aquifer treatment system assessed through an intrinsic tracer test and transport modelling. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 836:155643. [PMID: 35513148 DOI: 10.1016/j.scitotenv.2022.155643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 06/14/2023]
Abstract
Soil Aquifer Treatment (SAT) can provide supplementary treatment of trace organic compounds (TrOCs) such as pharmaceutical and industrial compounds present in Secondary Treated Wastewater (STWW). Concern on presence of unregulated TrOCs in natural systems has raised recently as well as the interest in SAT systems for remediation. The present study quantifies, at the field scale over35 m of lateral groundwater flow, the effectiveness of the Agon-Coutainville SAT system (Manche, Normandy, France) for TrOCs removal by sorption and biodegradation through monitoring of seven TrOCs (oxazepam, carbamazepine, benzotriazole, tolyltriazole, caffein, paracetamol, ibuprofen) and major inorganic compounds as intrinsic tracers in STWW and groundwater during a 34-day STWW infiltration experiment during operational use of the SAT. Cationic exchanges and mixing between groundwater and STWW during the experiment were highlighted by major ions and geochemical simulations. Due to the low thickness of the unsaturated zone, a 1D analytical solution of the advection-dispersion equation (ADE) was applied on chloride data. Chloride was used as conservative intrinsic tracer to calibrate the horizontal flow and transport parameters such as the aquifer dispersion coefficient (D) and the average pore water velocity (ν) allowing estimation of the groundwater residence time. Transport and attenuation of the TrOCs were simulated assuming first-order degradation constant (μ) and linear retardation coefficient (R), calibrated to simulate the observed temporal changes in the breakthrough of TrOCs. Sorption was found to play a role in the transport of TrOCs, notably for oxazepam with a higher linear retardation coefficient value of 2.2, whereas no significant differences of retardation were observed for carbamazepine, tolyltriazole, benzotriazole (1.37, 1.35, 1.36 respectively). Estimated first order degradation rate constants, between 0.03d-1 for carbamazepine and 0.09d-1 for tolyltriazole, were generally high compared to the literature, possibly due to favourable redox conditions and important microbial activities within the system. This study provides evidence of the efficiency of the Agon-Coutainville SAT system for the removal of TrOCs.
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Affiliation(s)
- Q Guillemoto
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France; Sorbonne Université, UMR 7619 Metis, CNRS, EPHE, Paris, France.
| | - G Picot-Colbeaux
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France
| | - D Valdes
- Sorbonne Université, UMR 7619 Metis, CNRS, EPHE, Paris, France
| | - N Devau
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France
| | - F A Mathurin
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France
| | - M Pettenati
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France
| | - W Kloppmann
- BRGM, French Geological Survey, 3 Av. Claude Guillemin, B.P. 6009, F-45000 Orléans, France
| | - J-M Mouchel
- Sorbonne Université, UMR 7619 Metis, CNRS, EPHE, Paris, France
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Zhao J, Fang S, Qi W, Liu H, Qu J. Do NH 4+-N and AOB affect atenolol removal during simulated riverbank filtration? CHEMOSPHERE 2022; 301:134653. [PMID: 35447203 DOI: 10.1016/j.chemosphere.2022.134653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/06/2022] [Accepted: 04/15/2022] [Indexed: 06/14/2023]
Abstract
Biodegradation is regarding as the most important organic micro-pollutants (OMPs) removal mechanism during riverbank filtration (RBF), but the OMPs co-metabolism mechanism and the role of NH4+-N during this process are not well understood. Here, we selected atenolol as a typical OMP to explore the effect of NH4+-N concentration on atenolol removal and the role of ammonia oxidizing bacteria (AOB) in atenolol biodegradation. The results showed that RBF is an effective barrier for atenolol mainly by biodegradation and adsorption. The ratio of biodegradation and adsorption to atenolol removal was dependent on atenolol concentration. Specifically, atenolol with low concentration (500 ng/L) is almost completely removed by adsorption, while atenolol with higher concentration (100 μg/L) is removed by biodegradation (51.7%) and adsorption (30.8%). Long-term difference in influent NH4+-N concentrations did not show significant impact on atenolol (500 ng/L) removal, which was mainly dominated by adsorption. Besides, AOB enhanced the removal of atenolol (100 μg/L) as biodegradation played a more crucial role in removing atenolol under this concentration. Both AOB and heterotrophic bacteria can degrade atenolol during RBF, but the degree of AOB's contribution may be related to the concentration of atenolol exposure. The main reactions occurred during atenolol biodegradation possibly includes primary amide hydrolysis, hydroxylation and secondary amine depropylation. About 90% of the bio-transformed atenolol was produced as atenolol acid. AOB could transform atenolol to atenolol acid by inducing primary amide hydrolysis but failed to degrade atenolol acid further under the conditions of this paper. This study provides novel insights regarding the roles played by AOB in OMPs biotransformation during RBF.
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Affiliation(s)
- Jian Zhao
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Shangbiao Fang
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Weixiao Qi
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China; Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing, 100084, China.
| | - Huijuan Liu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China; Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Jiuhui Qu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
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6
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Kruisdijk E, Zietzschmann F, Stuyfzand PJ, van Breukelen BM. Intra aquifer variations in pesticide sorption during a field injection experiment. JOURNAL OF CONTAMINANT HYDROLOGY 2022; 248:104015. [PMID: 35489141 DOI: 10.1016/j.jconhyd.2022.104015] [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: 01/28/2022] [Revised: 04/20/2022] [Accepted: 04/21/2022] [Indexed: 06/14/2023]
Abstract
A field injection experiment was performed in an anoxic sandy aquifer over 6 days to assess sorption characteristics of 7 commonly applied pesticides in agriculture and 2 frequently detected metabolites. Pesticide use changed considerably in the last decades, and there is insufficient knowledge of the fate of currently used pesticides in aquifers. Injected water arrival was monitored at 6 depth intervals of 1 m ranging from 11.4 to 32.2 m-below surface level with varying organic carbon contents (0.057-0.91%d.w.) to examine intra-aquifer variations in sorption. Observed pesticide concentrations were fit using a non-linear least squares routine to an advection-dispersion equation, from which retardation factors (R) were obtained. Pesticide degradation did not significantly influence the simulated R during the experiment. We observed that bentazon and cycloxydim were most mobile with R < 1.1 at all depths. Desphenyl chloridazon, methyl desphenyl chloridazon, and imidacloprid were, on average, less mobile, with maximum R of 1.5. Boscalid, chloridazon, fluopyram, and flutolanil showed a larger range of R, and R > 2.0 were observed in the shallowest part of the aquifer. Largest R were observed at the top of the aquifer and decreased with depth. Koc values varied similarly, which indicates that sorption is not only influenced by sedimentary organic matter (SOM) content but also by its sorption reactivity. Obtained sorption parameters were substantially lower than reported in a widely used pesticide sorption database, which suggests that sorption parameters are influenced by methodological differences and variations in the sorption reactivity of SOM. The large intra-aquifer variations in pesticide sorption highlights that aquifer heterogeneity should be considered in groundwater risk assessments.
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Affiliation(s)
- Emiel Kruisdijk
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, Stevinweg 1, 2628 CN Delft, the Netherlands; Acacia Water B.V., Van Hogendorpplein 4, 2805 BM Gouda, the Netherlands.
| | - Frederik Zietzschmann
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, Stevinweg 1, 2628 CN Delft, the Netherlands; Berliner Wasserbetriebe, Motardstr. 35, 13629 Berlin, Germany
| | - Pieter J Stuyfzand
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, Stevinweg 1, 2628 CN Delft, the Netherlands; Stuyfzand Hydroconsult+, 2042 BL Zandvoort, the Netherlands
| | - Boris M van Breukelen
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, Stevinweg 1, 2628 CN Delft, the Netherlands
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7
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Alam S, Borthakur A, Ravi S, Gebremichael M, Mohanty SK. Managed aquifer recharge implementation criteria to achieve water sustainability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 768:144992. [PMID: 33736333 DOI: 10.1016/j.scitotenv.2021.144992] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/22/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Depletion of groundwater is accelerated due to an increase in water demand for applications in urbanized areas, agriculture sectors, and energy extraction, and dwindling surface water during changing climate. Managed aquifer recharge (MAR) is one of the several methods that can help achieve long-term water sustainability by increasing the natural recharge of groundwater reservoirs with water from non-traditional supplies such as excess surface water, stormwater, and treated wastewater. Despite the multiple benefits of MAR, the wide-scale implementation of MAR is lacking, partly because of challenges to select the location for MAR implementation and identify the MAR type based on site conditions and needs. In this review, we provide an overview of MAR types with a basic framework to select and implement specific MAR at a site based on water availability and quality, land use, source type, soil, and aquifer properties. Our analysis of 1127 MAR projects shows that MAR has been predominantly implemented in sites with sandy clay loam soil (soil group C) and with access to river water for recharge. Spatial analysis reveals that many regions with depleting water storage have opportunities to implement MAR projects. Analyzing data from 34 studies where stormwater was used for recharge, we show that MAR can remove dissolved organic carbon, most metals, E. coli but not efficient at removing most trace organics, and enterococci. Removal efficiency depends on the type of MAR. In the end, we highlight potential challenges for implementing MAR at a site and additional benefits such as minimizing land subsidence, flood risk, augmenting low dry-season flow, and minimizing salt-water intrusion. These results could help identify locations in the water-stressed regions to implement specific MAR for water sustainability.
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Affiliation(s)
- Sarfaraz Alam
- Civil and Environmental Engineering, University of California Los Angeles, CA, USA.
| | - Annesh Borthakur
- Civil and Environmental Engineering, University of California Los Angeles, CA, USA.
| | - Sujith Ravi
- Earth and Environmental Science, Temple University, PA, USA
| | | | - Sanjay K Mohanty
- Civil and Environmental Engineering, University of California Los Angeles, CA, USA.
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Biel-Maeso M, Burke V, Greskowiak J, Massmann G, Lara-Martín PA, Corada-Fernández C. Mobility of contaminants of emerging concern in soil column experiments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:144102. [PMID: 33360461 DOI: 10.1016/j.scitotenv.2020.144102] [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: 09/02/2020] [Revised: 11/22/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
In this study, laboratory column experiments under water saturated conditions were conducted for over 35 days to investigate the transport of nine pharmaceuticals (nadolol, sulfamethizole, sulfamethoxazole, sulfamethoxypyridazine, carbamazepine, ibuprofen, diclofenac, hydrochlorothiazide, and gemfibrozil) and four artificial sweeteners (acesulfame, saccharin, cyclamate, and sucralose) in two soils (S and C) with similar organic carbon content (between 0.8 and 1.1%) and pH (7.90 and 7.25) but different texture (58.3 and 85.5% of silt+clay, respectively). Ibuprofen and artificial sweeteners reached maximum concentrations at the outlet of the columns and showed a homogenous vertical profile in the aqueous phase, with the same concentration in all sampling ports under flow percolation conditions. Regarding carbamazepine and hydrochlorothiazide, apparent retardation was observed for both and was attributed to sorption. Nadolol, a positively charged beta-blocker, did not show any apparent breakthrough. After 35 days, the columns were washed using tap water for over one week. Soils were then analyzed at different depths and vertical concentration profiles were plotted. Overall, highest concentrations were measured in the top most layers for contaminants in the soil column with higher clay content (C), whereas vertical profiles were more uniform in that with lower clay content (S).
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Affiliation(s)
- Miriam Biel-Maeso
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus of International Excellence of the Sea (CEI·MAR), Cádiz 11510, Spain.
| | - Victoria Burke
- Carl von Ossietzky University of Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany
| | - Janek Greskowiak
- Carl von Ossietzky University of Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany
| | - Gudrun Massmann
- Carl von Ossietzky University of Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany
| | - Pablo A Lara-Martín
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus of International Excellence of the Sea (CEI·MAR), Cádiz 11510, Spain
| | - Carmen Corada-Fernández
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus of International Excellence of the Sea (CEI·MAR), Cádiz 11510, Spain
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Schübl M, Kiecak A, Hug K, Lintelmann J, Zimmermann R, Stumpp C. Sorption and biodegradation parameters of selected pharmaceuticals in laboratory column experiments. JOURNAL OF CONTAMINANT HYDROLOGY 2021; 236:103738. [PMID: 33310632 DOI: 10.1016/j.jconhyd.2020.103738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/24/2020] [Accepted: 11/11/2020] [Indexed: 06/12/2023]
Abstract
Pharmaceutically active compounds have increasingly been detected in groundwater worldwide. Despite constituting a risk for human health and ecosystems, their fate in the environment has still not been exhaustively investigated. This study characterizes the transport behavior of five selected pharmaceutically active compounds (antipyrine, atenolol, caffeine, carbamazepine and sulfamethoxazole) in two sediments (coarse quartz sand and sandy loam) using column experiments with long-term injection of spiked groundwater. Transport parameters were estimated using an analytical reactive transport model. When five selected compounds were injected simultaneously, transport behavior of antipyrine, carbamazepine and the antibiotic sulfamethoxazole were similar to the conservative tracer in both sediments and under varying redox conditions. Atenolol and caffeine were retarded significantly stronger in the sandy loam sediment than in the coarse quartz sand. Biodegradation of caffeine was observed in both sediments after an adaption period and depended on dissolved oxygen. The identification of biodegradation processes was supported by monitoring of intracellular adenosine triphosphate (ATPitc) as a measure for microbial activity. ATPitc was present in varying concentrations in all sediments and was highest when biodegradation of pharmaceuticals, especially caffeine, was observed. When only caffeine and sulfamethoxazole were injected simultaneously, sulfamethoxazole was degraded while caffeine degradation was reduced. The latter seemed to be influenced by low concentrations in dissolved oxygen rather than the presence of the antibiotic sulfamethoxazole. Results of these experiments emphasize the impact on pharmaceutical sorption and (bio)degradation of sediment type and redox conditions, as well as available time for microbial adaption and the combination of pharmaceuticals that are released together into groundwater.
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Affiliation(s)
- Marleen Schübl
- Institute for Soil Physics and Rural Water Management, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria; Institute of Groundwater Ecology, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany
| | - Aleksandra Kiecak
- Institute of Groundwater Ecology, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany; Chair of Hydrogeology, Technical University of Munich, Munich, Germany
| | - Katrin Hug
- Institute of Groundwater Ecology, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany
| | - Jutta Lintelmann
- Joint Mass Spectrometry Centre of the research unit Comprehensive Molecular Analytics, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany; The Chair of Analytical Chemistry, University of Rostock, Germany; Research Unit Molecular Endocrinology and Metabolism, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany
| | - Ralf Zimmermann
- Joint Mass Spectrometry Centre of the research unit Comprehensive Molecular Analytics, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany; The Chair of Analytical Chemistry, University of Rostock, Germany
| | - Christine Stumpp
- Institute for Soil Physics and Rural Water Management, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria; Institute of Groundwater Ecology, Helmholtz Zentrum München-German Research Center of Environmental Health (GmbH), Neuherberg, Germany.
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10
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Li J, Gao J, Thai PK, Mueller JF, Yuan Z, Jiang G. Transformation of Illicit Drugs and Pharmaceuticals in Sewer Sediments. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:13056-13065. [PMID: 32951431 DOI: 10.1021/acs.est.0c04266] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In-sewer stability of human excreted biomarkers is a critical factor of wastewater-based epidemiology in back-estimating illicit drug and pharmaceutical use in the community. Biomarker stability has been investigated in sewers with the presence of biofilms, but the understanding in sewer sediments is still lacking. This study for the first time employed a laboratory sediment reactor to measure 18 illicit drug and pharmaceutical biomarkers under gravity sewer environments with the presence of sediments. Biomarkers exhibited various stability patterns due to transformation processes occurring in the bulk wastewater and sediments. The attenuation of a biomarker by sediments is driven by complex processes involving biodegradation, diffusion, and sorption, which is directly proportional to the ratio of sediment surface area against wastewater volume. The sediment-driven transformation coefficients of biomarkers are higher than the accordingly biofilm-mediated rates because of stronger microbial activities in sediments. Additionally, the stability of most biomarkers was insensitive to the natural pH variation in sewers, except for a few compounds (e.g., methadone, ketamine, and paracetamol) susceptible to pH changes. In general, this study delineates the stability data of various biomarkers in gravity sewers with sediments, which are novel and long-missing information for wastewater-based epidemiology and improve the reliability of back-estimation in complex sewer networks.
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Affiliation(s)
- Jiaying Li
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Jianfa Gao
- Queensland Alliance for Environmental Health Sciences, The University of Queensland, Brisbane, QLD 4102, Australia
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Avenue, Shenzhen 518060, China
| | - Phong K Thai
- Queensland Alliance for Environmental Health Sciences, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Jochen F Mueller
- Queensland Alliance for Environmental Health Sciences, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Zhiguo Yuan
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Guangming Jiang
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
- School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
- Illawarra Health and Medical Research Institute (IHMRI), University of Wollongong, Wollongong 2522, Australia
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11
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Koroša A, Brenčič M, Mali N. Estimating the transport parameters of propyphenazone, caffeine and carbamazepine by means of a tracer experiment in a coarse-gravel unsaturated zone. WATER RESEARCH 2020; 175:115680. [PMID: 32217381 DOI: 10.1016/j.watres.2020.115680] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 02/27/2020] [Accepted: 02/29/2020] [Indexed: 06/10/2023]
Abstract
Among the emerging contaminants today, pharmaceuticals are some of the most demanding chemical compounds when it comes to understanding their transport within aquifers. The transport of pharmaceuticals in an unsaturated zone is influenced by many factors, including compound sorption and degradation, which is essential in assessing contaminant migration in soil and groundwater. Coarse-gravel aquifers are particularly important for drinking water sources and industrial water supply. Globally, little data on the transport characteristics of coarse-gravel unsaturated zones is available. However, such data is crucial to understanding the transport of pollutants and to implementing the appropriate management strategies to protect the aquifers. In this article, we present tracer experiments employed to determine pharmaceutical transport parameters in the coarse-gravel unsaturated zone. The tracer experiment was performed as a multi-tracer exercise, where deuterated water was infiltrated as a conservative tracer to define the characteristics of the unsaturated zone, together with pharmaceuticals (propyphenazone, caffeine and carbamazepine) as reactive tracers. Based on the breakthrough curves measured at various depths, inverse modelling in combination with analytical and numerical methods (HYDRUS-1D) was performed. Hydraulic parameters for the unsaturated zone were estimated. Linear sorption coefficients (Kd) and degradation half-lives (t1/2) were evaluated for each pharmaceutical. In the unsaturated zone of the coarse-gravel aquifer caffeine has the lowest sorption capacity (mean Kd = 0.027 Lkg-1), while the sorption coefficient of propyphenazone is higher (Kd = 0.07 Lkg-1). Results for the degradation constant of the first order and t1/2 indicate that caffeine has the fastest decay rate (highest t1/2 = 69.3 days), followed by propyphenazone (highest t1/2 = 92.4 days). The parameters for carbamazepine could not be determined using an advection dispersion equation.
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Affiliation(s)
- Anja Koroša
- Geological Survey of Slovenia, Dimičeva 14, SI-1000, Ljubljana, Slovenia.
| | - Mihael Brenčič
- Department of Geology, Natural and Engineering Faculty, University of Ljubljana, Aškerčeva Cesta 12, SI-1000, Ljubljana, Slovenia; Geological Survey of Slovenia, Dimičeva 14, SI-1000, Ljubljana, Slovenia
| | - Nina Mali
- Geological Survey of Slovenia, Dimičeva 14, SI-1000, Ljubljana, Slovenia
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12
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Solute Reactive Tracers for Hydrogeological Applications: A Short Review and Future Prospects. WATER 2020. [DOI: 10.3390/w12030653] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Tracer testing is a mature technology used for characterizing aquatic flow systems. To gain more insights from tracer tests a combination of conservative (non-reactive) tracers together with at least one reactive tracer is commonly applied. The reactive tracers can provide unique information about physical, chemical, and/or biological properties of aquatic systems. Although, previous review papers provide a wide coverage on conservative tracer compounds there is no systematic review on reactive tracers yet, despite their extensive development during the past decades. This review paper summarizes the recent development in compounds and compound classes that are exploitable and/or have been used as reactive tracers, including their systematization based on the underlying process types to be investigated. Reactive tracers can generally be categorized into three groups: (1) partitioning tracers, (2) kinetic tracers, and (3) reactive tracers for partitioning. The work also highlights the potential for future research directions. The recent advances from the development of new tailor-made tracers might overcome existing limitations.
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13
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Rodríguez-Escales P, Sanchez-Vila X. Modeling the fate of UV filters in subsurface: Co-metabolic degradation and the role of biomass in sorption processes. WATER RESEARCH 2020; 168:115192. [PMID: 31654962 DOI: 10.1016/j.watres.2019.115192] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 09/17/2019] [Accepted: 10/12/2019] [Indexed: 06/10/2023]
Abstract
Ultraviolet filters (UVFs) are emerging organic compounds found in most water systems. They are constituents of personal care products, as well as industrial ones. The concentration of UVFs in the water bodies in space and time is mostly determined by degradation and sorption, both processes being determinant of their bioavailability and toxicity to ecosystems and humans. UVFs are a wide group of compounds, with different sorption behavior expected depending on the individual chemical properties (pKa,Koc,Kow). The goal of this work is framed in the context of improving our understanding of the sorption processes of UVFs occurring in the aquifer; that is, to evaluate the role of biomass growth, solid organic matter (SOM) and redox conditions in the characterization of sorption of a set of UVFs. We constructed a conceptual and a numerical model to evaluate the fate of selected UV filters, focused on both sorption and degradation. The models were validated with published data by Liu et al. (2013), consisting in a suite of batch experiments evaluating the fate of a cocktail of UVs under different redox conditions. The compounds evaluated included ionic UV filters (Benzophenone-3; 2-(3-t-butyl-2-hydroxy-5-methylphenyl)5-chloro-benzotriazole; 2-(2'-hydroxy-5'-octylphenyl)-benzotriazole) and neutral ones (octyl 4-methoxycinnamatte; and octocrylene).
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Affiliation(s)
- P Rodríguez-Escales
- Dept. of Civil and Environmental Engineering, Universitat Politècnica de Catalunya, Jordi Girona 1-3, 08034, Barcelona, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain.
| | - X Sanchez-Vila
- Dept. of Civil and Environmental Engineering, Universitat Politècnica de Catalunya, Jordi Girona 1-3, 08034, Barcelona, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain
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14
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Column Experiments on Sorption Coefficients and Biodegradation Rates of Selected Pharmaceuticals in Three Aquifer Sediments. WATER 2019. [DOI: 10.3390/w12010014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The presence of pharmaceuticals in the environment, and in groundwater, has been recognized as a great environmental concern. Biodegradation and sorption are the main processes leading to the removal of contamination from the water phase. The aim of this study was to determine the transport processes of selected pharmaceuticals (antipyrine, atenolol, carbamazepine, caffeine, diclofenac, ketoprofen, sulfamethoxazole) in selected sediments (coarse sand, medium sand, sandy loam) in laboratory experiments. Moreover, the impact of flow velocities on the sorption and degradation rates of the selected compounds was studied. Column experiments were performed at three flow velocities, under abiotic and biotic conditions, applying conservative (bromide) and reactive tracers (pharmaceuticals). From the breakthrough curves, retardation factors and degradation rates were determined and the influence of variable flow conditions on transport parameters was evaluated. Low observed concentrations and recoveries of atenolol indicated a strong influence of sorption on its transport. Diclofenac, caffeine, and carbamazepine were also affected by sorption but to a lesser extent. Sulfamethoxazole, ketoprofen, and antipyrine were recovered nearly completely, indicating an almost conservative transport behavior. Biodegradation was small for all the compounds, as the results from biotic and abiotic column experiments were similar. Transport of the tested pharmaceuticals was not influenced by different flow velocities, as similar modelled degradation rates and retardation factors were found for all tested flow velocities.
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15
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Kiecak A, Sassine L, Boy-Roura M, Elsner M, Mas-Pla J, Le Gal La Salle C, Stumpp C. Sorption properties and behaviour at laboratory scale of selected pharmaceuticals using batch experiments. JOURNAL OF CONTAMINANT HYDROLOGY 2019; 225:103500. [PMID: 31102981 DOI: 10.1016/j.jconhyd.2019.103500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 04/08/2019] [Accepted: 05/08/2019] [Indexed: 06/09/2023]
Abstract
Despite the increasing public concern about the frequent occurrence of pharmaceuticals in the water bodies, their transport and fate are not yet well known; in particular in groundwater. In this laboratory study, batch experiments were conducted to investigate the sorption behaviour of selected pharmaceuticals. The choice of compounds was motivated by their chemical properties as well as by their occurrence at the relevant field sites. It included: antipyrine, atenolol, caffeine, carbamazepine, ciprofloxacin, diclofenac, ketoprofen, ofloxacin, and sulfamethoxazole. Sorption behaviour has already been investigated for some of these compounds (e.g. carbamazepine), but for the others (e.g. antipyrine, ketoprofen), extensive studies are missing so far. For the experiments, artificial and actual aquifer materials from complementary field sites were selected: technical coarse quartz sand and sediments from alluvial Vistrenque Aquifer, France (sandy loam), and fluvio-deltaic Baix Fluvià Aquifer, Spain (sandy clay loam, clay, and medium sand). In these field sites occurrence of pharmaceuticals in groundwater was previously stated, and the presented laboratory experiments were complementary to the field investigations. Five concentration steps for determining the sorption isotherms were investigated. Correlation analysis showed dependencies of K-coefficients of individual compounds and sediment properties; however, no clear, universal patterns for all compounds were found. Batch experiments suggest that sorption behaviour was governed by compound-specific properties rather than by sediment properties. These results contribute to the understanding sorption behaviour of pharmaceuticals in heterogeneous sediments, although some inconsistencies were revealed between laboratory scale results and field scale observations.
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Affiliation(s)
- Aleksandra Kiecak
- Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute for Groundwater Ecology, Ingolstädter Landstraße 1, Neuherberg 85764, Germany.
| | - Lara Sassine
- University of Nîmes, 7352 CHROME, ruc du Dr Georges Salan, Nîmes 30021, France
| | - Mercè Boy-Roura
- Catalan Institute for Water Research - ICRA, Emili Grahit 101, Girona 17003, Spain
| | - Martin Elsner
- Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute for Groundwater Ecology, Ingolstädter Landstraße 1, Neuherberg 85764, Germany; Institute of Hydrochemistry, Technical University of Munich, Marchioninistr. 17, Munich 81377, Germany
| | - Josep Mas-Pla
- Catalan Institute for Water Research - ICRA, Emili Grahit 101, Girona 17003, Spain; Grup de Recerca GAiA-Geocamb, Dept de Ciències Ambientals, Universitat de Girona, Girona 17003, Spain
| | | | - Christine Stumpp
- Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute for Groundwater Ecology, Ingolstädter Landstraße 1, Neuherberg 85764, Germany; Institute of Hydraulics and Rural Water Management (IHLW), University of Natural Resources and Life Sciences, Muthgasse 18, Vienna 1190, Austria
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16
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Barbagli A, Jensen BN, Raza M, Schüth C, Rossetto R. Assessment of soil buffer capacity on nutrients and pharmaceuticals in nature-based solution applications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:759-774. [PMID: 30415360 DOI: 10.1007/s11356-018-3515-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 10/17/2018] [Indexed: 06/09/2023]
Abstract
The ability of a soil to sustain infiltration rates and to attenuate pollutants is critical for the design and operation of Managed Aquifer Recharge/Soil Aquifer Treatment and phyto-treatment schemes, also referred to as "Blue Infrastructures". We investigated the buffering capacity of a sediment sample and a peat soil sample for nutrients and selected pharmaceutical compounds and its evolution under continuous infiltration of secondary treated wastewater (TWW) in column experiments. Samples were obtained from two blue infrastructures, the Sant'Alessio Induced River Bank Filtration plant and the San Niccolò large-scale phyto-treatment plant in Italy, and were mainly different in their organic carbon contents (0.9 and 48%, respectively). In the column experiments, a constant infiltration rate of about 0.5 L/d was maintained for 6 months. After 4 months of operation, diclofenac and carbamazepine were spiked into the TWW to evaluate their fate. Water quality was monitored by periodic water sampling from the column inflow, at sampling ports along the column length, and at the outflow. Hydraulic conductivity (K) was also monitored. The hydraulic conductivity of the Sant'Alessio sediment decreased by a factor of 10 during the first 10 days of infiltration and then stabilized, while for the San Niccolò K (initially lower) remained constant for 50 days until it decreased following a change of the redox condition in the column. The different redox conditions, due to the two different soils tested, influenced also the concentration and mobility of PO43-, Fe, Mn, and NPOC, and the speciation of the redox sensitive elements (nitrogen and sulfur). NOPC and phosphate were enriched during the filtration through San Niccolò peat soil (from 2 to 4 times, respectively), while they were buffered by the Sant'Alessio sediment (from 0.2 to 0.4 times, respectively). Diclofenac removal (69% and below 20% for San Niccolò and Sant'Alessio, respectively) was related to sorption and degradation processes and it was lower than the removal of carbamazepine in both soils (76 and 35%). The buffer capacity differences between the two soils were higher for diclofenac (62%) than carbamazepine (35%). Nevertheless, since no apparent degradation of carbamazepine was detected in both soils, its persistence in the soil may have a larger impact in case of desorption, posing contamination risk to groundwater. The results highlight the importance of the soils or sediments to be used as medium in such nature-based solutions for their operations. They also offer an approach to, e.g., tailor man-made soil layers in infiltration basins. We strongly suggest that soil characteristics and test duration are carefully considered in designing these infrastructures, when nature-based processes are the choice for dealing with reuse of treated wastewater management issues.
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Affiliation(s)
- Alessio Barbagli
- CGT Center for GeoTechnologies, University of Siena, Via Vetri Vecchi 34, 52027, San Giovanni Valdarno, Italy
| | - Benjamin Niklas Jensen
- Dr. Spang Ingenieurgesellschaft für Bauwesen, Geologie und Umwelttechnik mbH, Rosi-Wolfstein-Strasse 6, 58453, Witten, Germany
| | - Muhammad Raza
- Institute of Applied Geosciences, Technische Universität Darmstadt, Schnittspahnstr. 9, 64287, Darmstadt, Germany
- IWW Water Centre, Moritzstr. 26, 45476, Mülheim an der Ruhr, Germany
| | - Christoph Schüth
- Institute of Applied Geosciences, Technische Universität Darmstadt, Schnittspahnstr. 9, 64287, Darmstadt, Germany
- IWW Water Centre, Moritzstr. 26, 45476, Mülheim an der Ruhr, Germany
| | - Rudy Rossetto
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Via Santa Cecilia 3, 56127, Pisa, Italy.
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17
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Silver M, Selke S, Balsaa P, Wefer-Roehl A, Kübeck C, Schüth C. Fate of five pharmaceuticals under different infiltration conditions for managed aquifer recharge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 642:914-924. [PMID: 29929143 DOI: 10.1016/j.scitotenv.2018.06.120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/09/2018] [Accepted: 06/10/2018] [Indexed: 06/08/2023]
Abstract
Infiltration of treated wastewater (TWW) to recharge depleted aquifers, often referred to as managed aquifer recharge, is a solution to replenish groundwater resources in regions facing water scarcity. We present a mass balance approach to infer the amounts of five pharmaceuticals (carbamazepine, diclofenac, fenoprofen, gemfibrozil, and naproxen) degraded in column experiments based on concentrations of pharmaceuticals in the aqueous and solid (sorbed) phases. Column experiments were conducted under three different conditions: continuous infiltration, wetting and drying cycles, and wetting and drying cycles with elevated concentrations of antibiotics (which may reduce microbially aided degradation of other compounds). A mass balance comparing pharmaceutical mass in the water phase over the 16-month duration of the experiments to mass sorbed to the soil was used to infer the mass of pharmaceuticals degraded. Results show sorption as the main attenuation mechanism for carbamazepine. About half of the mass of diclofenac was degraded with wetting and drying cycles, but no significant degradation was found for continuous infiltration, while 32% of infiltrated mass sorbed. Fenoprofen was degraded in the shallow and aerobic part of the soil, but degradation appeared to cease beyond 27 cm depth. Gemfibrozil attenuated through a combination of degradation and sorption, with slight increases in attenuation with depth from both mechanisms. Naproxen degraded progressively with depth, resulting in attenuation of >90% of the mass. In the column with elevated concentrations of antibiotics, the antibiotics attenuated to about 50% or less of inflow concentrations by 27 cm depth and within this zone, less degradation of the other compounds was observed.
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Affiliation(s)
- Matthew Silver
- Institute of Applied Geosciences, Technische Universität Darmstadt, Darmstadt, Germany; Water Resources Management Division, IWW Water Centre, Mülheim an der Ruhr, Germany.
| | - Stephanie Selke
- Water Quality Division, IWW Water Centre, Mülheim an der Ruhr, Germany
| | - Peter Balsaa
- Water Quality Division, IWW Water Centre, Mülheim an der Ruhr, Germany.
| | - Annette Wefer-Roehl
- Institute of Applied Geosciences, Technische Universität Darmstadt, Darmstadt, Germany
| | - Christine Kübeck
- Water Resources Management Division, IWW Water Centre, Mülheim an der Ruhr, Germany.
| | - Christoph Schüth
- Institute of Applied Geosciences, Technische Universität Darmstadt, Darmstadt, Germany; Water Resources Management Division, IWW Water Centre, Mülheim an der Ruhr, Germany.
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18
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Doummar J, Aoun M. Assessment of the origin and transport of four selected emerging micropollutants sucralose, Acesulfame-K, gemfibrozil, and iohexol in a karst spring during a multi-event spring response. JOURNAL OF CONTAMINANT HYDROLOGY 2018; 215:11-20. [PMID: 29983209 DOI: 10.1016/j.jconhyd.2018.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 06/08/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
The assessment of vulnerability in karst systems reveals to be extremely challenging since it varies significantly with time and highly depends on the identification of diffuse and concentrated infiltration from surface karst features. The origin, consumed loads, and transport mode of selected micropollutants (MPs) including two artificial sweeteners (ASWs) Sucralose (SUC) and Acesulfame-K (ACE-K), in addition to other less investigated pharmaceuticals such as the lipid regulator Gemfibrozil (GEM), and the contrast media Iohexol (IOX) were investigated in a karst system under dynamic conditions. A detailed analysis of selected spring responses' chemograph and hydrograph following a multi precipitation event shows that three of the tracked MPs, especially ACE-K, and to the exception of IOX, can be used as specific indicators for point source domestic wastewater in karst systems. They have revealed to be persistent, source specific, conservative, and highly correlated with in-situ parameters easily measurable at the spring (chloride and turbidity). Even if the selected MPs are found in the system during low flow periods, they are mostly transported to the spring through fast flow pathways from flushed wastewater with surface water or flood rainwater. The highest mass inflow of ACE-K, IOX and GEM originated from a sinking stream, while SUC infiltrated exclusively through fast infiltration points (dolines). Their breakthrough curves coincide with the arrival of new waters and turbidity peaks. Unlike IOX, the mass fluxes of ASWs, and GEM to a lesser extent, can be linearly correlated with chloride mass fluxes and turbidity flux. Moreover, the variance of the normalized breakthrough curves of the MPs with respect to a mean transit time, increases in that order IOX<GEM<Turbidity<SUC<ACE-K indicating a higher restitution time for ACE-K with respect to other spring signals.
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Affiliation(s)
- Joanna Doummar
- Department of Geology, American University of Beirut, PO Box: 11-0236/26, Beirut, Lebanon.
| | - Michel Aoun
- Department of Geology, American University of Beirut, PO Box: 11-0236/26, Beirut, Lebanon
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19
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Aminot Y, Fuster L, Pardon P, Le Menach K, Budzinski H. Suspended solids moderate the degradation and sorption of waste water-derived pharmaceuticals in estuarine waters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 612:39-48. [PMID: 28850851 DOI: 10.1016/j.scitotenv.2017.08.162] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 08/15/2017] [Accepted: 08/15/2017] [Indexed: 05/25/2023]
Abstract
This study focuses on the fate of pharmaceuticals discharged into an estuarine environment, particularly into the Turbidity Maximum Zone (TMZ). Batch experiments were set up to investigate the factors regulating the degradation of 53 selected pharmaceuticals. Treated effluents from Bordeaux city (France) were mixed with water from the estuarine Garonne River during 4weeks under 6 characterized conditions in order to assess the influence of suspended particulates, sterilization, untreated wastewater input and dilution on the degradation kinetics. Of the 53 pharmaceuticals monitored, 43 were quantified at the initial time. Only 7 exhibited a persistent behavior (e.g. carbamazepine, meprobamate) while biotic degradation was shown to be the main attenuation process for 38 molecules (e.g. abacavir, ibuprofen highly degradable). Degradation was significantly enhanced by increasing concentrations of suspended solids. A persistence index based on the half-lives of the compounds has been calculated for each of the 43 pharmaceuticals to provide a practical estimate of their relative stability. The stability of pharmaceuticals in estuarine environments is likely to be highly variable and attenuated primarily by changes in suspended solid concentration.
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Affiliation(s)
- Yann Aminot
- Université de Bordeaux, EPOC, UMR 5805, LPTC, 351 Cours de la Libération, F-33400 Talence, France
| | - Laura Fuster
- Université de Bordeaux, EPOC, UMR 5805, LPTC, 351 Cours de la Libération, F-33400 Talence, France
| | - Patrick Pardon
- Université de Bordeaux, EPOC, UMR 5805, LPTC, 351 Cours de la Libération, F-33400 Talence, France
| | - Karyn Le Menach
- Université de Bordeaux, EPOC, UMR 5805, LPTC, 351 Cours de la Libération, F-33400 Talence, France
| | - Hélène Budzinski
- Université de Bordeaux, EPOC, UMR 5805, LPTC, 351 Cours de la Libération, F-33400 Talence, France.
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20
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Yang L, He JT, Su SH, Cui YF, Huang DL, Wang GC. Occurrence, distribution, and attenuation of pharmaceuticals and personal care products in the riverside groundwater of the Beiyun River of Beijing, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:15838-15851. [PMID: 28534270 DOI: 10.1007/s11356-017-8999-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/05/2017] [Indexed: 06/07/2023]
Abstract
This study investigated the occurrence, seasonal-spatial distribution characteristics, and attenuation process of 15 pharmaceuticals and personal care products (PPCPs) in riverside sections of Beiyun River of Beijing. The overall PPCP levels both in surface water and riverside groundwater were moderate on the global scale, and showed higher concentrations in the dry season mainly caused by water temperature variation. Caffeine (CF), carbamazepine (CBZ), metoprolol (MTP), N,N-diethyl-meta-toluamide (DEET), diclofenac (DF), bezafibrate (BF), and gemfibrozil (GF) were seven representative PPCPs, because the rest eight studied compounds occurred in low concentrations and less than 15% of the total concentration of PPCPs. Caffeine and bezafibrate, respectively, was the most abundant compound in surface water and riverside groundwater, with median concentrations of 3020.0 and 125.0 ng L-1. Total concentrations of PPCPs in surface water were much higher than those in the riverside groundwater spatially. Attenuation of PPCPs during riverbank filtration was largely depending on the sources, site hydrogeological conditions, and physical-chemical properties of PPCPs, also was influenced by dissolved organic matter and environmental physicochemical parameters. CF, MTP, DEET, and CBZ were potential groundwater attenuation contaminants; DF, BF, and GF were groundwater-enriched contaminants based on their removal rates. Predominant removal mechanism of PPCPs like CF was biodegradation. Attenuation simulation showed that the one-way supply between Beiyun River and riverside groundwater, and further confirmed Beiyun River, was the main source of pharmaceutical compounds in the riverside groundwater.
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Affiliation(s)
- Lei Yang
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China
| | - Jiang-Tao He
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China.
| | - Si-Hui Su
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China
| | - Ya-Feng Cui
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China
| | - De-Liang Huang
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China
| | - Guang-Cai Wang
- Beijing Key Laboratory of Water Resources & Environmental Engieering, China University of Geosciences(Beijing), Beijing, 100083, P.R. China
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21
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Jungmann D, Berg K, Dieterich A, Frank M, Gräf T, Scheurer M, Schwarz S, Siewert C, Oetken M. Health effects of metoprolol in epibenthic and endobenthic invertebrates-A basis to validate future in vitro biotests for effect-based biomonitoring. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2017; 52:189-200. [PMID: 27835069 DOI: 10.1080/10934529.2016.1246930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The aim of this study was to determine the effect data for metoprolol as a model substance for beta-blockers in aquatic invertebrates. The results will be used as a basis for the validation of future mode of action-based in vitro test systems targeting this class of pharmaceuticals. Effects of metoprolol were investigated in two autochthonous species with high relevance in stream ecology: the amphipod Gammarus fossarum and the oligochaete Lumbriculus variegatus. Mortality in G. fossarum was not observed in acute toxicity testing (48 h), and a significant increase of mortality at 45 mg/L was found when amphipods were exposed chronically (40 days). The most sensitive population-relevant endpoints were the juvenile-adult ratio and number of egg-bearing females with NOEC/LOEC-values of 5/15 mg/L. No proteotoxic effects were identified in G. fossarum. The sediment toxicity test with L. variegatus according to the OECD Guideline 225 with an exposure time of 28 days resulted in EC10-values of 92.5 and 126.1 mg/kgdw for the endpoints reproduction and biomass, respectively. In L. variegatus the response kinetics of Hsp70 showed no significant difference between the treatments. A tendency for rising lipid peroxide concentrations was found between 0.03 and 10 mg/kgdw, which were significant between the treatments, but not to the control.
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Affiliation(s)
| | | | - Andreas Dieterich
- b Animal Physiological Ecology, University of Tübingen , Tübingen , Germany
| | - Martin Frank
- c Aquatic Ecotoxicology, Goethe University Frankfurt am Main , Frankfurt , Germany
| | - Tonya Gräf
- c Aquatic Ecotoxicology, Goethe University Frankfurt am Main , Frankfurt , Germany
| | | | - Simon Schwarz
- b Animal Physiological Ecology, University of Tübingen , Tübingen , Germany
| | - Carmen Siewert
- b Animal Physiological Ecology, University of Tübingen , Tübingen , Germany
| | - Matthias Oetken
- c Aquatic Ecotoxicology, Goethe University Frankfurt am Main , Frankfurt , Germany
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Pugajeva I, Rusko J, Perkons I, Lundanes E, Bartkevics V. Determination of pharmaceutical residues in wastewater using high performance liquid chromatography coupled to quadrupole-Orbitrap mass spectrometry. J Pharm Biomed Anal 2017; 133:64-74. [DOI: 10.1016/j.jpba.2016.11.008] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 11/08/2016] [Accepted: 11/09/2016] [Indexed: 11/26/2022]
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Santiago S, Roll DM, Ray C, Williams C, Moravcik P, Knopf A. Effects of soil moisture depletion on vegetable crop uptake of pharmaceuticals and personal care products (PPCPs). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:20257-20268. [PMID: 27447471 DOI: 10.1007/s11356-016-7194-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Accepted: 07/06/2016] [Indexed: 06/06/2023]
Abstract
Agricultural crops have a long history of being irrigated with recycled wastewater (RW). However, its use on vegetable crops has been of concern due to the potential prevalence of microcontaminants, such as pharmaceuticals and personal care products (PPCPs) in the latter, which represents a possible health hazard to consumers. We investigated the uptake of three PPCPs (atenolol, diclofenac, and ofloxacin), at three different concentrations in irrigation water (0.5, 5, and 25 μg L-1) in relation to three varying volumetric soil moisture depletion levels of 14 % (-4.26 kPa), 10 % (-8.66 kPa), and 7 % (-18.37 kPa) by various vegetable crop species. Experiments were conducted in a split-split block completely randomized design. PPCPs were extracted using a developed method of accelerated solvent extraction and solid phase extraction and analyzed via liquid chromatography mass spectrometry (LCMS). Results indicate that all treated crops were capable of PPCP uptake at nanogram per gram concentrations independent of the applied soil moisture depletion levels and PPCP concentrations. Ofloxacin was the chemical with the highest uptake amounts, followed by atenolol and then diclofenac. Although the results were not statistically significant, higher concentrations of PPCPs were detected in plants maintained under higher soil moisture levels of 14 % (-4.26 kPa).
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Affiliation(s)
- Sergio Santiago
- Department of Civil & Environmental Engineering, University of Hawaii, Honolulu, HI, 96822, USA
- Water Resources Research Center, University of Hawaii, Honolulu, HI, 96822, USA
| | - Deborah M Roll
- Agricultural Research Service, United States Department of Agriculture, Arid-Land Agricultural Research Center, Maricopa, AZ, 85138, USA
| | - Chittaranjan Ray
- Department of Civil & Environmental Engineering, University of Hawaii, Honolulu, HI, 96822, USA.
- Water Resources Research Center, University of Hawaii, Honolulu, HI, 96822, USA.
- Nebraska Water Center, Nebraska Innovation Campus, Lincoln, NE, 68588, USA.
| | - Clinton Williams
- Agricultural Research Service, United States Department of Agriculture, Arid-Land Agricultural Research Center, Maricopa, AZ, 85138, USA
| | - Philip Moravcik
- Water Resources Research Center, University of Hawaii, Honolulu, HI, 96822, USA
| | - Allan Knopf
- Agricultural Research Service, United States Department of Agriculture, Arid-Land Agricultural Research Center, Maricopa, AZ, 85138, USA
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Pradhan S, Boernick H, Kumar P, Mehrotra I. Removal of dissolved organic carbon by aquifer material: Correlations between column parameters, sorption isotherms and octanol-water partition coefficient. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2016; 177:36-44. [PMID: 27082255 DOI: 10.1016/j.jenvman.2016.03.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 03/26/2016] [Accepted: 03/29/2016] [Indexed: 06/05/2023]
Abstract
The correlation between octanol-water partition coefficient (KOW) and the transport of aqueous samples containing single organic compound is well documented. The concept of the KOW of river water containing the mixture of organics was evolved by Pradhan et al. (2015). The present study aims at determining the KOW and sorption parameters of synthetic aqueous samples and river water to finding out the correlation, if any. The laboratory scale columns packed with aquifer materials were fed with synthetic and river water samples. Under the operating conditions, the compounds in the samples did not separate, and all the samples that contain more than one organic compound yielded a single breakthrough curve. Breakthrough curves simulated from sorption isotherms were compared with those from the column runs. The sorption parameters such as retardation factor (Rf), height of mass transfer zone (HMTZ), rate of mass transfer zone (RMTZ), breakpoint column capacity (qb) and maximum column capacity (qx) estimated from column runs, sorption isotherms and models developed by Yoon-Nelson, Bohart-Adam and Thomas were in agreement. The empirical correlations were found between the KOW and sorption parameters. The transport of the organics measured as dissolved organic carbon (DOC) through the aquifer can be predicted from the KOW of the river water and other water samples. The novelty of the study is to measure KOW and to envisage the fate of the DOC of the river water, particularly during riverbank filtration. Statistical analysis of the results revealed a fair agreement between the observed and computed values.
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Affiliation(s)
- Snigdhendubala Pradhan
- Department of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, India.
| | - Hilmar Boernick
- Institute of Water Chemistry, Dresden University of Technology, Dresden, Germany
| | - Pradeep Kumar
- Department of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, India
| | - Indu Mehrotra
- Department of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, India
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Regnery J, Wing AD, Kautz J, Drewes JE. Introducing sequential managed aquifer recharge technology (SMART) - From laboratory to full-scale application. CHEMOSPHERE 2016; 154:8-16. [PMID: 27037769 DOI: 10.1016/j.chemosphere.2016.03.097] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 03/20/2016] [Accepted: 03/21/2016] [Indexed: 05/27/2023]
Abstract
Previous lab-scale studies demonstrated that stimulating the indigenous soil microbial community of groundwater recharge systems by manipulating the availability of biodegradable organic carbon (BDOC) and establishing sequential redox conditions in the subsurface resulted in enhanced removal of compounds with redox-dependent removal behavior such as trace organic chemicals. The aim of this study is to advance this concept from laboratory to full-scale application by introducing sequential managed aquifer recharge technology (SMART). To validate the concept of SMART, a full-scale managed aquifer recharge (MAR) facility in Colorado was studied for three years that featured the proposed sequential configuration: A short riverbank filtration passage followed by subsequent re-aeration and artificial recharge and recovery. Our findings demonstrate that sequential subsurface treatment zones characterized by carbon-rich (>3 mg/L BDOC) to carbon-depleted (≤1 mg/L BDOC) and predominant oxic redox conditions can be established at full-scale MAR facilities adopting the SMART concept. The sequential configuration resulted in substantially improved trace organic chemical removal (i.e. higher biodegradation rate coefficients) for moderately biodegradable compounds compared to conventional MAR systems with extended travel times in an anoxic aquifer. Furthermore, sorption batch experiments with clay materials dispersed in the subsurface implied that sorptive processes might also play a role in the attenuation and retardation of chlorinated flame retardants during MAR. Hence, understanding key factors controlling trace organic chemical removal performance during SMART allows for systems to be engineered for optimal efficiency, resulting in improved removal of constituents at shorter subsurface travel times and a potentially reduced physical footprint of MAR installations.
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Affiliation(s)
- Julia Regnery
- Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, USA.
| | - Alexandre D Wing
- Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, USA; SLR International Corporation, Anchorage, AK, USA
| | - Jessica Kautz
- Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, USA; Infiltrator Systems, Old Saybrook, CT, USA
| | - Jörg E Drewes
- Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, USA; Chair of Urban Water Systems, Technical University Munich, Garching, Germany.
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Bertelkamp C, Verliefde ARD, Reynisson J, Singhal N, Cabo AJ, de Jonge M, van der Hoek JP. A predictive multi-linear regression model for organic micropollutants, based on a laboratory-scale column study simulating the river bank filtration process. JOURNAL OF HAZARDOUS MATERIALS 2016; 304:502-511. [PMID: 26619049 DOI: 10.1016/j.jhazmat.2015.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 10/27/2015] [Accepted: 11/02/2015] [Indexed: 06/05/2023]
Abstract
This study investigated relationships between OMP biodegradation rates and the functional groups present in the chemical structure of a mixture of 31 OMPs. OMP biodegradation rates were determined from lab-scale columns filled with soil from RBF site Engelse Werk of the drinking water company Vitens in The Netherlands. A statistically significant relationship was found between OMP biodegradation rates and the functional groups of the molecular structures of OMPs in the mixture. The OMP biodegradation rate increased in the presence of carboxylic acids, hydroxyl groups, and carbonyl groups, but decreased in the presence of ethers, halogens, aliphatic ethers, methyl groups and ring structures in the chemical structure of the OMPs. The predictive model obtained from the lab-scale soil column experiment gave an accurate qualitative prediction of biodegradability for approximately 70% of the OMPs monitored in the field (80% excluding the glymes). The model was found to be less reliable for the more persistent OMPs (OMPs with predicted biodegradation rates lower or around the standard error=0.77d(-1)) and OMPs containing amide or amine groups. These OMPs should be carefully monitored in the field to determine their removal during RBF.
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Affiliation(s)
- C Bertelkamp
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium.
| | - A R D Verliefde
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium
| | - J Reynisson
- The University of Auckland, School of Chemical Sciences, Private Bag 92019, Auckland 1142, New Zealand
| | - N Singhal
- The University of Auckland, Department of Civil and Environmental Engineering, Private Bag 92019, Auckland 1142, New Zealand
| | - A J Cabo
- Delft Institute of Applied Mathematics (DIAM), Faculty EEMCS, Mekelweg 4, 2628 CD Delft, The Netherlands
| | - M de Jonge
- Vitens N.V., PO Box 1205, 8001 BE Zwolle, The Netherlands
| | - J P van der Hoek
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Strategic Centre, Waternet, Korte Ouderkerkerdijk 7, 1096 AC Amsterdam, The Netherlands
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Hamann E, Stuyfzand PJ, Greskowiak J, Timmer H, Massmann G. The fate of organic micropollutants during long-term/long-distance river bank filtration. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 545-546:629-40. [PMID: 26766391 DOI: 10.1016/j.scitotenv.2015.12.057] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/13/2015] [Accepted: 12/13/2015] [Indexed: 05/22/2023]
Abstract
The fate of organic micropollutants during long-term/long-distance river bank filtration (RBF) at a temporal scale of several years was investigated along a row of monitoring wells perpendicular to the Lek River (the Netherlands). Out of 247 compounds, which were irregularly analyzed in the period 1999-2013, only 15 were detected in both the river and river bank observation wells. Out of these, 10 compounds (1,4-dioxan, 1,5-naphthalene disulfonate (1,5-NDS), 2-amino-1,5-NDS, 3-amino-1,5-NDS, AOX, carbamazepine, EDTA, MTBE, toluene and triphenylphosphine oxide) showed fully persistent behavior (showing no concentration decrease at all), even after 3.6 years transit time. The remaining 5 compounds (1,3,5-naphthalene trisulfonate (1,3,5-NTS), 1,3,6-NTS, diglyme, iopamidol, triglyme) were partially removed. Their reactive transport parameters (removal rate constants/half-lives, retardation coefficients) were inferred from numerical modeling. In addition, maximum half-lives for 14 of the fully removed compounds, for which the data availability was sufficient to deduce 100% removal during sub-surface passage, were approximated based on travel times to the nearest well. The study is one of very few reporting on the long-term field-scale behavior of organic micropollutants. It highlights the efficiency of RBF for water quality improvement as a pre-treatment step for drinking water production. However, it also shows the very persistent behavior of various compounds in groundwater.
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Affiliation(s)
- Enrico Hamann
- Carl von Ossietzky Universität Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany; Geodienste GmbH, Leinestr. 33, D-30827 Garbsen, Germany.
| | - Pieter J Stuyfzand
- KWR Watercycle Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, The Netherlands; Technical University Delft, Postbus 5048, 2600 GA Delft, The Netherlands
| | - Janek Greskowiak
- Carl von Ossietzky Universität Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany
| | - Harrie Timmer
- Oasen Drinking Water Company, Postbus 122, 2800 AC Gouda, The Netherlands
| | - Gudrun Massmann
- Carl von Ossietzky Universität Oldenburg, Institute of Biology and Environmental Sciences, Working Group Hydrogeology and Landscape Hydrology, D-26111 Oldenburg, Germany
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Bertelkamp C, Verliefde ARD, Schoutteten K, Vanhaecke L, Vanden Bussche J, Singhal N, van der Hoek JP. The effect of redox conditions and adaptation time on organic micropollutant removal during river bank filtration: A laboratory-scale column study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 544:309-18. [PMID: 26657377 DOI: 10.1016/j.scitotenv.2015.11.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Revised: 11/06/2015] [Accepted: 11/06/2015] [Indexed: 05/22/2023]
Abstract
This study investigated the redox dependent removal and adaptive behaviour of a mixture of 15 organic micropollutants (OMPs) in laboratory-scale soil columns fed with river water. Three separate pilot systems were used consisting of: (1) two columns, (2) ten columns and (3) twenty two columns to create oxic, suboxic (partial nitrate removal) and anoxic (complete nitrate removal). The pilot set-up has some unique features--it can simulate fairly long residence times (e.g., 45 days using the 22 column system) and reduced conditions developed naturally within the system. Dimethoate, diuron, and metoprolol showed redox dependent removal behaviour with higher biodegradation rates in the oxic zone compared to the suboxic/anoxic zone. The redox dependent behaviour of these three OMPs could not be explained based on their physico-chemical properties (hydrophobicity, charge and molecular weight) or functional groups present in the molecular structure. OMPs that showed persistent behaviour in the oxic zone (atrazine, carbamazepine, hydrochlorothiazide and simazine) were also not removed under more reduced conditions. Adaptive behaviour was observed for five OMPs: dimethoate, chloridazon, lincomycin, sulfamethoxazole and phenazone. However, the adaptive behaviour could not be explained by the physico-chemical properties (hydrophobicity, charge and molecular weight) investigated in this study and only rough trends were observed with specific functional groups (e.g. ethers, sulphur, primary and secondary amines). Finally, the adaptive behaviour of OMPs was found to be an important factor that should be incorporated in predictive models for OMP removal during river bank filtration.
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Affiliation(s)
- C Bertelkamp
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, PO Box 5048, 2600 GA, Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium.
| | - A R D Verliefde
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium
| | - K Schoutteten
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium
| | - L Vanhaecke
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - J Vanden Bussche
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - N Singhal
- The University of Auckland, Department of Civil and Environmental Engineering, Private Bag 92019, Auckland 1142, New Zealand
| | - J P van der Hoek
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, PO Box 5048, 2600 GA, Delft, The Netherlands; Strategic Centre, Waternet, Korte Ouderkerkerdijk 7, 1096 AC, Amsterdam, The Netherlands
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Zakari S, Liu H, Tong L, Wang Y, Liu J. Transport of bisphenol-A in sandy aquifer sediment: Column experiment. CHEMOSPHERE 2016; 144:1807-1814. [PMID: 26539704 DOI: 10.1016/j.chemosphere.2015.10.081] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/01/2015] [Accepted: 10/20/2015] [Indexed: 06/05/2023]
Abstract
The present paper aims to study the transport behavior of bisphenol-A (BPA) in sandy aquifer so as to provide important parameters for the prediction and control of contaminant plume in aquifer. Miscible displacement experiments were conducted and the breakthrough curves (BTCs) were simulated using HYDRUS-1D software. The effects of pore-water velocity (10-52 cm h(-1)) and initial concentration (2.5-40 mg L(-1)) on the sorption were also investigated. The BTCs of BPA fit the linear first-order non-equilibrium two-site model. The parameters such as partition coefficient (K(d)), the fraction of instantaneous adsorption on "Type-1" sites (F), the first order sorption rate coefficient for the kinetic non-equilibrium (type-2) sites (α), the retardation coefficient (R), and sorption capacity (q(column)) were computed. Results showed that BPA transported 0.11-0.83 m with various pore water velocity in sandy sediment column when water flowed 1 m. The sorption of BPA was mainly caused by the instantaneous surface adsorption as F varied from 0.596 to 0.908. The transport velocity of BPA was affected by pore water velocity (v) and followed the linear equation 1/R = 0.0600 + 0.0110v (r(2) = 0.9724). The parameter K(d) were also closely related to v and followed the equation LnK(d) = 1.0023-0.0482v (r(2) = 0.9690). The sorption capacity was more related to the initial BPA concentration (C0) and followed the linear equation q(column) = 0.265 + 0.253C0 (r(2) = 0.9727). The parameter α was affected by both v and C0 whereas F was not dramatically affected by both.
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Affiliation(s)
- Sissou Zakari
- State Key Laboratory of Biogeology and Environmental Geology and School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China
| | - Hui Liu
- State Key Laboratory of Biogeology and Environmental Geology and School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China.
| | - Lei Tong
- State Key Laboratory of Biogeology and Environmental Geology and School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China
| | - Yan Wang
- State Key Laboratory of Biogeology and Environmental Geology and School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China
| | - Jianfeng Liu
- State Key Laboratory of Biogeology and Environmental Geology and School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China
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30
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Bertelkamp C, van der Hoek JP, Schoutteten K, Hulpiau L, Vanhaecke L, Vanden Bussche J, Cabo AJ, Callewaert C, Boon N, Löwenberg J, Singhal N, Verliefde ARD. The effect of feed water dissolved organic carbon concentration and composition on organic micropollutant removal and microbial diversity in soil columns simulating river bank filtration. CHEMOSPHERE 2016; 144:932-939. [PMID: 26432535 DOI: 10.1016/j.chemosphere.2015.09.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 08/22/2015] [Accepted: 09/05/2015] [Indexed: 06/05/2023]
Abstract
This study investigated organic micropollutant (OMP) biodegradation rates in laboratory-scale soil columns simulating river bank filtration (RBF) processes. The dosed OMP mixture consisted of 11 pharmaceuticals, 6 herbicides, 2 insecticides and 1 solvent. Columns were filled with soil from a RBF site and were fed with four different organic carbon fractions (hydrophilic, hydrophobic, transphilic and river water organic matter (RWOM)). Additionally, the effect of a short-term OMP/dissolved organic carbon (DOC) shock-load (e.g. quadrupling the OMP concentrations and doubling the DOC concentration) on OMP biodegradation rates was investigated to assess the resilience of RBF systems. The results obtained in this study imply that - in contrast to what is observed for managed aquifer recharge systems operating on wastewater effluent - OMP biodegradation rates are not affected by the type of organic carbon fraction fed to the soil column, in case of stable operation. No effect of a short-term DOC shock-load on OMP biodegradation rates between the different organic carbon fractions was observed. This means that the RBF site simulated in this study is resilient towards transient higher DOC concentrations in the river water. However, a temporary OMP shock-load affected OMP biodegradation rates observed for the columns fed with the river water organic matter (RWOM) and the hydrophilic fraction of the river water organic matter. These different biodegradation rates did not correlate with any of the parameters investigated in this study (cellular adenosine triphosphate (cATP), DOC removal, specific ultraviolet absorbance (SUVA), richness/evenness of the soil microbial population or OMP category (hydrophobicity/charge).
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Affiliation(s)
- C Bertelkamp
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, PO Box 5048, 2600 GA, Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000, Ghent, Belgium.
| | - J P van der Hoek
- Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management, PO Box 5048, 2600 GA, Delft, The Netherlands; Strategic Centre, Waternet, Korte Ouderkerkerdijk 7, 1096 AC, Amsterdam, The Netherlands
| | - K Schoutteten
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000, Ghent, Belgium
| | - L Hulpiau
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000, Ghent, Belgium
| | - L Vanhaecke
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820, Merelbeke, Belgium
| | - J Vanden Bussche
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820, Merelbeke, Belgium
| | - A J Cabo
- Delft Institute of Applied Mathematics (DIAM), Faculty EEMCS, Mekelweg 4, 2628 CD, Delft, The Netherlands
| | - C Callewaert
- Ghent University, Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Coupure Links 653, B-9000, Ghent, Belgium
| | - N Boon
- Ghent University, Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Coupure Links 653, B-9000, Ghent, Belgium
| | - J Löwenberg
- University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, Institute for Ecopreneurship, Gründenstrasse 40, CH-4132, Muttenz, Switzerland
| | - N Singhal
- The University of Auckland, Department of Civil and Environmental Engineering, Private Bag 92019, Auckland, 1142, New Zealand
| | - A R D Verliefde
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000, Ghent, Belgium
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31
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Bertelkamp C, Schoutteten K, Vanhaecke L, Vanden Bussche J, Callewaert C, Boon N, Singhal N, van der Hoek JP, Verliefde ARD. A laboratory-scale column study comparing organic micropollutant removal and microbial diversity for two soil types. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 536:632-638. [PMID: 26254065 DOI: 10.1016/j.scitotenv.2015.07.056] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/10/2015] [Accepted: 07/11/2015] [Indexed: 06/04/2023]
Abstract
UNLABELLED This study investigated sorption and biodegradation behaviour of 20 organic micropollutants (OMPs) in lab-scale columns filled with two types of soil (fed with the same water quality) simulating river bank filtration (RBF) under oxic conditions. Retardation factors and OMP biodegradation rates were similar for the two soils that were characterised by a different cationic exchange capacity, organic matter and sand/silt/clay content. This result was supported by the microbial community composition (richness, evenness) of the two soils that became more similar as a result of feeding both columns with the same water quality. This indicates that microbial community composition and thereby OMP removal in soils is primarily determined by the composition of the aqueous phase (organic matter quantity and quality, nutrients) rather than the soil phase. These results indicate that different RBF sites located along the same river may show similar OMP removal (in case of similar water quality and residence time). CAPSULE This study shows that the microbial community composition and thus OMP removal is primarily determined by the aqueous phase (water quality) rather than the soil phase.
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Affiliation(s)
- C Bertelkamp
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium.
| | - K Schoutteten
- Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium
| | - L Vanhaecke
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - J Vanden Bussche
- Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health Food Safety, Laboratory of Chemical Analysis, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - C Callewaert
- Ghent University, Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Coupure Links 653, B-9000 Ghent, Belgium
| | - N Boon
- Ghent University, Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Coupure Links 653, B-9000 Ghent, Belgium
| | - N Singhal
- The University of Auckland, Department of Civil and Environmental Engineering, Private Bag 92019, Auckland 1142, New Zealand
| | - J P van der Hoek
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Strategic Centre, Waternet, Korte Ouderkerkerdijk 7, 1096 AC Amsterdam, The Netherlands
| | - A R D Verliefde
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600 GA Delft, The Netherlands; Ghent University, Faculty of Bioscience Engineering, Particle and Interfacial Technology Group, Coupure Links 653, B-9000 Ghent, Belgium
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Aminot Y, Litrico X, Chambolle M, Arnaud C, Pardon P, Budzindki H. Development and application of a multi-residue method for the determination of 53 pharmaceuticals in water, sediment, and suspended solids using liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem 2015. [DOI: 10.1007/s00216-015-9017-3 10.1007/s00216-015-9017-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
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Mulligan RA, Parikh SJ, Tjeerdema RS. Abiotic partitioning of clothianidin under simulated rice field conditions. PEST MANAGEMENT SCIENCE 2015; 71:1419-1424. [PMID: 25450761 DOI: 10.1002/ps.3946] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/23/2014] [Accepted: 11/25/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND Clothianidin is registered for pre- and post-flood application in Californian rice fields for control of the rice seed midge, Cricotopus sylvestris, and the rice water weevil, Lissorhoptrus oryzophilus. The objective was to characterize air-water and soil-water partitioning of clothianidin under simulated Californian rice field conditions. RESULTS Clothianidin was confirmed to be non-volatile (from water) via the gas purge method, as no loss from the aqueous phase was observed at 22 and 37 °C; an upper-limit KH value was calculated at 2.9 × 10(-11) Pa m(3) mol(-1) (20 °C). Soil-water partitioning was determined by the batch equilibrium method using four soils collected from rice fields in the Sacramento Valley, and sorption affinity (Kd ), sorbent capacity, desorption and organic-carbon-normalized distribution (Koc ) were determined. Values for pH, cation exchange capacity and organic matter content ranged from 4.5 to 6.6, from 5.9 to 37.9 and from 1.25 to 1.97% respectively. The log Koc values (22 and 37 °C) ranged from 2.6 to 2.7, while sorption capacity was low at 22 °C and decreased further at 37 °C. Hysteresis was observed in soils at both temperatures, suggesting that bound residues do not readily desorb. CONCLUSIONS Soil-water and air-water partitioning will not significantly reduce offsite transport of clothianidin from flooded rice fields via drainage.
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Affiliation(s)
- Rebecca A Mulligan
- Department of Environmental Toxicology, College of Agricultural and Environmental Sciences, University of California, Davis, CA, USA
| | - Sanjai J Parikh
- Department of Land, Air and Water Resources, University of California, Davis, CA, USA
| | - Ronald S Tjeerdema
- Department of Environmental Toxicology, College of Agricultural and Environmental Sciences, University of California, Davis, CA, USA
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Development and application of a multi-residue method for the determination of 53 pharmaceuticals in water, sediment, and suspended solids using liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem 2015; 407:8585-604. [DOI: 10.1007/s00216-015-9017-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 07/04/2015] [Accepted: 08/28/2015] [Indexed: 01/07/2023]
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Nham HTT, Greskowiak J, Nödler K, Rahman MA, Spachos T, Rusteberg B, Massmann G, Sauter M, Licha T. Modeling the transport behavior of 16 emerging organic contaminants during soil aquifer treatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 514:450-458. [PMID: 25687671 DOI: 10.1016/j.scitotenv.2015.01.096] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/27/2015] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
In this study, four one-dimensional flow and transport models based on the data of a field scale experiment in Greece were constructed to investigate the transport behavior of sixteen organic trace pollutants during soil aquifer treatment. At the site, tap water and treated wastewater were intermittently infiltrated into a porous aquifer via a small pilot pond. Electrical conductivity data was used to calibrate the non-reactive transport models. Transport and attenuation of the organic trace pollutants were simulated assuming 1st order degradation and linear adsorption. Sorption was found to be largely insignificant at this site for the compounds under investigation. In contrast, flow path averaged first order degradation rate constants were mostly higher compared to the literature and lay between 0.036 d(-1) for clofibric acid and 0.9 d(-1) for ibuprofen, presumably owing to the high temperatures and a well adapted microbial community originating from the wastewater treatment process. The study highlights the necessity to obtain intrinsic attenuation parameters at each site, as findings cannot easily be transferred from one site to another.
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Affiliation(s)
- Hang Thuy Thi Nham
- Department of Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Ammerländer Heerstraβe 114-118, 26129 Oldenburg, Germany.
| | - Janek Greskowiak
- Department of Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Ammerländer Heerstraβe 114-118, 26129 Oldenburg, Germany
| | - Karsten Nödler
- Geoscience Centre, Department of Applied Geology, Georg-August-University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
| | - Mohammad Azizur Rahman
- Institute of Fluid Mechanics in Civil Engineering, Leibniz University of Hannover, Appelstr. 9 A, 30167 Hannover, Germany
| | - Thomas Spachos
- Thessaloniki Water Supply and Sewerage Co S.A, Egnatia St. 127, 546 45 Thessaloniki, Greece
| | - Bernd Rusteberg
- Geoscience Centre, Department of Applied Geology, Georg-August-University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
| | - Gudrun Massmann
- Department of Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Ammerländer Heerstraβe 114-118, 26129 Oldenburg, Germany
| | - Martin Sauter
- Geoscience Centre, Department of Applied Geology, Georg-August-University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
| | - Tobias Licha
- Geoscience Centre, Department of Applied Geology, Georg-August-University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
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Alotaibi MD, Patterson BM, McKinley AJ, Reeder AY, Furness AJ, Donn MJ. Fate of benzotriazole and 5-methylbenzotriazole in recycled water recharged into an anaerobic aquifer: column studies. WATER RESEARCH 2015; 70:184-195. [PMID: 25528548 DOI: 10.1016/j.watres.2014.11.040] [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: 08/18/2014] [Revised: 10/16/2014] [Accepted: 11/24/2014] [Indexed: 06/04/2023]
Abstract
The fate of benzotriazole (BTri) and 5-methylbenzotriazole (5-MeBT) was investigated under anaerobic conditions at nano gram per litre concentrations in large-scale laboratory columns to mimic a managed aquifer recharge replenishment strategy in Western Australia. Investigations of BTri and 5-MeBT sorption behaviour demonstrated mobility of the compounds with retardation coefficients of 2.0 and 2.2, respectively. Degradation processes over a period of 220 days indicated first order biodegradation of the BTri and 5-MeBT under anaerobic aquifer conditions after a biological lag-time of approximately 30-60 days. Biodegradation half-lives of 29 ± 2 and 26 ± 1 days for BTri and 5-MeBT were respectively observed, with no threshold effect to biodegradation observed at the 200 ng L(-1). The detection of degradation products provided further evidence of BTri and 5-MeBT biodegradation. These results suggested that if BTri and 5-MeBT were present in recycled water recharged to the Leederville aquifer, biodegradation during aquifer passage is likely given sufficient aquifer residence times or travel distances between recycled water injection and groundwater extraction.
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Affiliation(s)
- M D Alotaibi
- School of Chemistry and Biochemistry, University of Western Australia, Crawley, Australia; CSIRO Land and Water Flagship, Private Bag 5, Wembley, 6913, WA, Australia; Department of Plant Protection, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - B M Patterson
- School of Chemistry and Biochemistry, University of Western Australia, Crawley, Australia; CSIRO Land and Water Flagship, Private Bag 5, Wembley, 6913, WA, Australia.
| | - A J McKinley
- School of Chemistry and Biochemistry, University of Western Australia, Crawley, Australia
| | - A Y Reeder
- Centre for Microscopy, Characterization and Analysis, University of Western Australia, Crawley, Australia
| | - A J Furness
- CSIRO Land and Water Flagship, Private Bag 5, Wembley, 6913, WA, Australia
| | - M J Donn
- CSIRO Land and Water Flagship, Private Bag 5, Wembley, 6913, WA, Australia
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Valhondo C, Carrera J, Ayora C, Barbieri M, Nödler K, Licha T, Huerta M. Behavior of nine selected emerging trace organic contaminants in an artificial recharge system supplemented with a reactive barrier. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:11832-11843. [PMID: 24793065 DOI: 10.1007/s11356-014-2834-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 03/24/2014] [Indexed: 06/03/2023]
Abstract
Artificial recharge improves several water quality parameters, but has only minor effects on recalcitrant pollutants. To improve the removal of these pollutants, we added a reactive barrier at the bottom of an infiltration basin. This barrier contained aquifer sand, vegetable compost, and clay and was covered with iron oxide dust. The goal of the compost was to sorb neutral compounds and release dissolved organic carbon. The release of dissolved organic carbon should generate a broad range of redox conditions to promote the transformation of emerging trace organic contaminants (EOCs). Iron oxides and clay increase the range of sorption site types. In the present study, we examined the effectiveness of this barrier by analyzing the fate of nine EOCs. Water quality was monitored before and after constructing the reactive barrier. Installation of the reactive barrier led to nitrate-, iron-, and manganese-reducing conditions in the unsaturated zone below the basin and within the first few meters of the saturated zone. Thus, the behavior of most EOCs changed after installing the reactive barrier. The reactive barrier enhanced the removal of some EOCs, either markedly (sulfamethoxazole, caffeine, benzoylecgonine) or slightly (trimethoprim) and decreased the removal rates of compounds that are easily degradable under aerobic conditions (ibuprofen, paracetamol). The barrier had no remarkable effect on 1H-benzotriazole and tolyltriazole.
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Affiliation(s)
- Cristina Valhondo
- GHS Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain,
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