Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2581
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Title: The use of chelating agents in the remediation of metal-contaminated soils : a review
Authors: Leštan, D
Luo, C
Li, X 
Issue Date: May-2008
Source: Environmental pollution, May 2008, v. 153, no. 1, p. 3-13
Abstract: This paper reviews current remediation technologies that use chelating agents for the mobilization and removal of potentially toxic metals from contaminated soils. These processes can be done in situ as enhanced phytoextraction, chelant enhanced electrokinetic extraction and soil flushing, or ex situ as the extraction of soil slurry and soil heap/column leaching. Current proposals on how to treat and recycle waste washing solutions after soil is washed are discussed. The major controlling factors in phytoextraction and possible strategies for reducing the leaching of metals associated with the application of chelants are also reviewed. Finally, the possible impact of abiotic and biotic soil factors on the toxicity of metals left after the washing of soil and enhanced phytoextraction are briefly addressed.
Keywords: Metal
Chelant
Phytoextraction
Soil washing
Metal leaching
Publisher: Pergamon Press
Journal: Environmental pollution 
ISSN: 0269-7491
EISSN: 1873-6424
DOI: 10.1016/j.envpol.2007.11.015
Rights: Environmental Pollution © 2007 Elsevier. The journal web site is located at http://www.sciencedirect.com.
Appears in Collections:Journal/Magazine Article

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