Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016WR020333 |
Improving degradation of emerging organic compounds by applying chaotic advection in Managed Aquifer Recharge in randomly heterogeneous porous media | |
Rodriguez-Escales, P.1,2; Fernandez-Garcia, D.1,2; Drechsel, J.3; Folch, A.1,2; Sanchez-Vila, X.1,2 | |
2017-05-01 | |
发表期刊 | WATER RESOURCES RESEARCH
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ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2017 |
卷号 | 53期号:5 |
文章类型 | Article |
语种 | 英语 |
国家 | Spain; Germany |
英文摘要 | Improving degradation rates of emerging organic compounds (EOCs) in groundwater is still a challenge. Although their degradation is not fully understood, it has been observed that some substances are preferably degraded under specific redox conditions. The coupling of Managed Aquifer Recharge with soil aquifer remediation treatment, by placing a reactive layer containing organic matter at the bottom of the infiltration pond, is a promising technology to improve the rate of degradation of EOCs. Its success is based on assuming that recharged water and groundwater get well mixed, which is not always true. It has been demonstrated that mixing can be enhanced by inducing chaotic advection through extraction-injection-engineering. In this work, we analyze how chaotic advection might enhance the spreading of redox conditions with the final aim of improving degradation of a mix of benzotriazoles: benzotriazole, 5-methyl-benzotriazole, and 5-chloro-benzotriazole. The degradation of the first two compounds was fastest under aerobic conditions whereas the third compound was best degraded under denitrification conditions. We developed a reactive transport model that describes how a recharged water rich in organic matter mixes with groundwater, how this organic matter is oxidized by different electron acceptors, and how the benzotriazoles are degraded attending for the redox state. The model was tested in different scenarios of recharge, both in homogenous and in heterogenous media. It was found that chaotic flow increases the spreading of the plume of recharged water. Consequently, different redox conditions coexist at a given time, facilitating the degradation of EOCs. |
英文关键词 | chaotic flow soil-aquifer treatment reactive transport mixing redox fringes |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000403712100050 |
WOS关键词 | ARTIFICIAL RECHARGE ; REACTIVE TRANSPORT ; NATURAL ATTENUATION ; MODEL DEVELOPMENT ; REDOX CONDITIONS ; GROUNDWATER ; BIODEGRADATION ; PLUME ; FATE ; FLOW |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/21310 |
专题 | 资源环境科学 |
作者单位 | 1.Univ Politecn Cataluna, Dept Civil & Environm Engn, Barcelona, Spain; 2.UPC CSIC, Hydrogeol Grp, Associated Unit, Barcelona, Spain; 3.Tech Univ Darmstadt, Inst Appl Geosci, Darmstadt, Germany |
推荐引用方式 GB/T 7714 | Rodriguez-Escales, P.,Fernandez-Garcia, D.,Drechsel, J.,et al. Improving degradation of emerging organic compounds by applying chaotic advection in Managed Aquifer Recharge in randomly heterogeneous porous media[J]. WATER RESOURCES RESEARCH,2017,53(5). |
APA | Rodriguez-Escales, P.,Fernandez-Garcia, D.,Drechsel, J.,Folch, A.,&Sanchez-Vila, X..(2017).Improving degradation of emerging organic compounds by applying chaotic advection in Managed Aquifer Recharge in randomly heterogeneous porous media.WATER RESOURCES RESEARCH,53(5). |
MLA | Rodriguez-Escales, P.,et al."Improving degradation of emerging organic compounds by applying chaotic advection in Managed Aquifer Recharge in randomly heterogeneous porous media".WATER RESOURCES RESEARCH 53.5(2017). |
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