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Article: Contaminant extractability by electrokinetics

TitleContaminant extractability by electrokinetics
Authors
KeywordsCleanup Technology
Electro-Osmosis
Electrokinetic Extraction
Electrokinetics
Electromigration
Electrophoresis
Extractability
Ionic Migration
Site Remediation
Issue Date2006
PublisherMary Ann Liebert, Inc Publishers. The Journal's web site is located at http://www.liebertpub.com/ees
Citation
Environmental Engineering Science, 2006, v. 23 n. 1, p. 202-224 How to Cite?
AbstractElectrokinetic extraction is an emerging technology that has shown considerable potential for efficient and effective removal of both inorganic and organic contaminants from fine-grained soils of low hydraulic conductivity and large specific area when conditions are favorable. The cleanup technology is basically the application of a direct-current electric field across contaminated soils through electrodes installed in the subsurface. The contaminant is removed by (1) electro-osmotic advection of pore fluid flushing the contaminants; (2) ionic migration or electromigration of contaminants carrying charges; and (3) electrophoresis of charged colloidal-sized particles carrying contaminants. However, many complicated electrochemical phenomena that can change the electrokinetic properties of soil particles and the chemistry of pore fluid occur simultaneously. The resulting soil-chemical interactions may enhance or inhibit the extractability of contaminants by electrokinetics, as various electrochemical processes are dynamic, reversible, and interdependent. The impacts of these phenomena on contaminant extractability by electrokinetics are discussed in this paper. A comprehensive list of useful references on electrokinetic extraction is also included for use by readers interested in the subject. © Mary Ann Liebert, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/150340
ISSN
2015 Impact Factor: 1.481
2015 SCImago Journal Rankings: 0.501
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYeung, ATen_US
dc.date.accessioned2012-06-26T06:03:29Z-
dc.date.available2012-06-26T06:03:29Z-
dc.date.issued2006en_US
dc.identifier.citationEnvironmental Engineering Science, 2006, v. 23 n. 1, p. 202-224en_US
dc.identifier.issn1092-8758en_US
dc.identifier.urihttp://hdl.handle.net/10722/150340-
dc.description.abstractElectrokinetic extraction is an emerging technology that has shown considerable potential for efficient and effective removal of both inorganic and organic contaminants from fine-grained soils of low hydraulic conductivity and large specific area when conditions are favorable. The cleanup technology is basically the application of a direct-current electric field across contaminated soils through electrodes installed in the subsurface. The contaminant is removed by (1) electro-osmotic advection of pore fluid flushing the contaminants; (2) ionic migration or electromigration of contaminants carrying charges; and (3) electrophoresis of charged colloidal-sized particles carrying contaminants. However, many complicated electrochemical phenomena that can change the electrokinetic properties of soil particles and the chemistry of pore fluid occur simultaneously. The resulting soil-chemical interactions may enhance or inhibit the extractability of contaminants by electrokinetics, as various electrochemical processes are dynamic, reversible, and interdependent. The impacts of these phenomena on contaminant extractability by electrokinetics are discussed in this paper. A comprehensive list of useful references on electrokinetic extraction is also included for use by readers interested in the subject. © Mary Ann Liebert, Inc.en_US
dc.languageengen_US
dc.publisherMary Ann Liebert, Inc Publishers. The Journal's web site is located at http://www.liebertpub.com/eesen_US
dc.relation.ispartofEnvironmental Engineering Scienceen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsThis is a copy of an article published in the [Environmental Engineering Science] © [2006] [copyright Mary Ann Liebert, Inc.]; [Environmental Engineering Science] is available online at: http://www.liebertonline.com.-
dc.subjectCleanup Technologyen_US
dc.subjectElectro-Osmosisen_US
dc.subjectElectrokinetic Extractionen_US
dc.subjectElectrokineticsen_US
dc.subjectElectromigrationen_US
dc.subjectElectrophoresisen_US
dc.subjectExtractabilityen_US
dc.subjectIonic Migrationen_US
dc.subjectSite Remediationen_US
dc.titleContaminant extractability by electrokineticsen_US
dc.typeArticleen_US
dc.identifier.emailYeung, AT:yeungat@hkucc.hku.hken_US
dc.identifier.authorityYeung, AT=rp00203en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1089/ees.2006.23.202-
dc.identifier.scopuseid_2-s2.0-30844434844en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-30844434844&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume23en_US
dc.identifier.issue1en_US
dc.identifier.spage202en_US
dc.identifier.epage224en_US
dc.identifier.isiWOS:000234620600019-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYeung, AT=7102390361en_US

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