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      The use of zero-valent iron for groundwater remediation and wastewater treatment: a review.

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          Abstract

          Recent industrial and urban activities have led to elevated concentrations of a wide range of contaminants in groundwater and wastewater, which affect the health of millions of people worldwide. In recent years, the use of zero-valent iron (ZVI) for the treatment of toxic contaminants in groundwater and wastewater has received wide attention and encouraging treatment efficiencies have been documented. This paper gives an overview of the recent advances of ZVI and progress obtained during the groundwater remediation and wastewater treatment utilizing ZVI (including nanoscale zero-valent iron (nZVI)) for the removal of: (a) chlorinated organic compounds, (b) nitroaromatic compounds, (c) arsenic, (d) heavy metals, (e) nitrate, (f) dyes, and (g) phenol. Reaction mechanisms and removal efficiencies were studied and evaluated. It was found that ZVI materials with wide availability have appreciable removal efficiency for several types of contaminants. Concerning ZVI for future research, some suggestions are proposed and conclusions have been drawn.

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          Author and article information

          Journal
          J Hazard Mater
          Journal of hazardous materials
          Elsevier BV
          1873-3336
          0304-3894
          Feb 28 2014
          : 267
          Affiliations
          [1 ] School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, PR China. Electronic address: fufenglian2006@163.com.
          [2 ] Environmental Engineering and Science Program, University of Cincinnati, Cincinnati, OH 45221-0012, USA.
          [3 ] Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 401122, PR China.
          Article
          S0304-3894(13)00994-1
          10.1016/j.jhazmat.2013.12.062
          24457611
          885ff343-b243-425a-98e5-29a311b0efb7
          Copyright © 2014 Elsevier B.V. All rights reserved.
          History

          Contaminants,Groundwater,Remediation/Treatment,Wastewater,Zero-valent iron (ZVI)

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