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Article: A review on techniques to enhance electrochemical remediation of contaminated soils

TitleA review on techniques to enhance electrochemical remediation of contaminated soils
Authors
KeywordsContaminant solubilization
Coupling of remediation technologies
Electrochemical remediation
Enhancement techniques
Soil pH control
Soil remediation
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhazmat
Citation
Journal Of Hazardous Materials, 2011, v. 195, p. 11-29 How to Cite?
AbstractElectrochemical remediation is a promising remediation technology for soils contaminated with inorganic, organic, and mixed contaminants. A direct-current electric field is imposed on the contaminated soil to extract the contaminants by the combined mechanisms of electroosmosis, electromigration, and/or electrophoresis. The technology is particularly effective in fine-grained soils of low hydraulic conductivity and large specific surface area. However, the effectiveness of the technology may be diminished by sorption of contaminants on soil particle surfaces and various effects induced by the hydrogen ions and hydroxide ions generated at the electrodes. Various enhancement techniques have been developed to tackle these diminishing effects. A comprehensive review of these techniques is given in this paper with a view to providing useful information to researchers and practitioners in this field. © 2011 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/143740
ISSN
2015 Impact Factor: 4.836
2015 SCImago Journal Rankings: 1.692
ISI Accession Number ID
Funding AgencyGrant Number
University of Hong Kong
Funding Information:

The sabbatical leave of the first author in California supported by the Faculty of Engineering of The University of Hong Kong to complete these review papers is appreciated. The financial support for the doctoral study of the second author provided by The University of Hong Kong is gratefully acknowledged.

References

 

DC FieldValueLanguage
dc.contributor.authorYeung, ATen_HK
dc.contributor.authorGu, YYen_HK
dc.date.accessioned2011-12-21T08:48:04Z-
dc.date.available2011-12-21T08:48:04Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Hazardous Materials, 2011, v. 195, p. 11-29en_HK
dc.identifier.issn0304-3894en_HK
dc.identifier.urihttp://hdl.handle.net/10722/143740-
dc.description.abstractElectrochemical remediation is a promising remediation technology for soils contaminated with inorganic, organic, and mixed contaminants. A direct-current electric field is imposed on the contaminated soil to extract the contaminants by the combined mechanisms of electroosmosis, electromigration, and/or electrophoresis. The technology is particularly effective in fine-grained soils of low hydraulic conductivity and large specific surface area. However, the effectiveness of the technology may be diminished by sorption of contaminants on soil particle surfaces and various effects induced by the hydrogen ions and hydroxide ions generated at the electrodes. Various enhancement techniques have been developed to tackle these diminishing effects. A comprehensive review of these techniques is given in this paper with a view to providing useful information to researchers and practitioners in this field. © 2011 Elsevier B.V.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhazmaten_HK
dc.relation.ispartofJournal of Hazardous Materialsen_HK
dc.subjectContaminant solubilizationen_HK
dc.subjectCoupling of remediation technologiesen_HK
dc.subjectElectrochemical remediationen_HK
dc.subjectEnhancement techniquesen_HK
dc.subjectSoil pH controlen_HK
dc.subjectSoil remediationen_HK
dc.subject.meshElectrochemistry - methods-
dc.subject.meshEnvironmental Remediation - methods-
dc.subject.meshHydrogen-Ion Concentration-
dc.subject.meshSoil Pollutants - isolation and purification-
dc.subject.meshSolubility-
dc.titleA review on techniques to enhance electrochemical remediation of contaminated soilsen_HK
dc.typeArticleen_HK
dc.identifier.emailYeung, AT:yeungat@hkucc.hku.hken_HK
dc.identifier.authorityYeung, AT=rp00203en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jhazmat.2011.08.047en_HK
dc.identifier.pmid21889259-
dc.identifier.scopuseid_2-s2.0-80054107622en_HK
dc.identifier.hkuros197850en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80054107622&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume195en_HK
dc.identifier.spage11en_HK
dc.identifier.epage29en_HK
dc.identifier.eissn1873-3336-
dc.identifier.isiWOS:000300204500002-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridYeung, AT=7102390361en_HK
dc.identifier.scopusauthoridGu, YY=35190246300en_HK

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