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Conference Paper: Physicochemical soil-contaminant interactions during electrokinetic extraction

TitlePhysicochemical soil-contaminant interactions during electrokinetic extraction
Authors
KeywordsElectrokinetic Extraction
Physicochemical Reactions
Soil-Fluid-Contaminant
Issue Date1997
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhazmat
Citation
Journal Of Hazardous Materials, 1997, v. 55 n. 1-3, p. 221-237 How to Cite?
AbstractThe feasibility of using electrokinetics to extract contaminants from soils has been established by bench-scale laboratory experiments and small-scale field tests. However, the physics and chemistry associated with the innovative remediation technology are not yet fully understood. Many physicochemical reactions occur simultaneously during the process. These reactions may enhance or reduce the cleanup efficiency of the process. They are particularly important in fine-grained soils because the large specific surface area of the soil provides numerous active sites for these reactions. In this paper, several prominent physicochemical soil-contaminant interactions during electrokinetic extraction and their influences on the cleanup efficiency of the technology are discussed. These interactions include: (1) change of zeta potential at the soil particle/pore fluid interface; (2) resistance of the soil-fluid-contaminant system to pH change; and (3) sorption/desorption of reactive contaminants onto or from the soil particle surface and precipitation/dissolution of metallic contaminants in the pore fluid. The effects on these interactions of injecting an enhancement fluid into the contaminated soil are also discussed. In addition, a brief review on the state-of-development of the technology is presented.
Persistent Identifierhttp://hdl.handle.net/10722/152107
ISSN
2015 Impact Factor: 4.836
2015 SCImago Journal Rankings: 1.692
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYeung, ATen_US
dc.contributor.authorHsu, CNen_US
dc.contributor.authorMenon, RMen_US
dc.date.accessioned2012-06-26T06:35:13Z-
dc.date.available2012-06-26T06:35:13Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Hazardous Materials, 1997, v. 55 n. 1-3, p. 221-237en_US
dc.identifier.issn0304-3894en_US
dc.identifier.urihttp://hdl.handle.net/10722/152107-
dc.description.abstractThe feasibility of using electrokinetics to extract contaminants from soils has been established by bench-scale laboratory experiments and small-scale field tests. However, the physics and chemistry associated with the innovative remediation technology are not yet fully understood. Many physicochemical reactions occur simultaneously during the process. These reactions may enhance or reduce the cleanup efficiency of the process. They are particularly important in fine-grained soils because the large specific surface area of the soil provides numerous active sites for these reactions. In this paper, several prominent physicochemical soil-contaminant interactions during electrokinetic extraction and their influences on the cleanup efficiency of the technology are discussed. These interactions include: (1) change of zeta potential at the soil particle/pore fluid interface; (2) resistance of the soil-fluid-contaminant system to pH change; and (3) sorption/desorption of reactive contaminants onto or from the soil particle surface and precipitation/dissolution of metallic contaminants in the pore fluid. The effects on these interactions of injecting an enhancement fluid into the contaminated soil are also discussed. In addition, a brief review on the state-of-development of the technology is presented.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhazmaten_US
dc.relation.ispartofJournal of Hazardous Materialsen_US
dc.subjectElectrokinetic Extractionen_US
dc.subjectPhysicochemical Reactionsen_US
dc.subjectSoil-Fluid-Contaminanten_US
dc.titlePhysicochemical soil-contaminant interactions during electrokinetic extractionen_US
dc.typeConference_Paperen_US
dc.identifier.emailYeung, AT:yeungat@hkucc.hku.hken_US
dc.identifier.authorityYeung, AT=rp00203en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0304-3894(97)00017-4en_US
dc.identifier.scopuseid_2-s2.0-0031211755en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031211755&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume55en_US
dc.identifier.issue1-3en_US
dc.identifier.spage221en_US
dc.identifier.epage237en_US
dc.identifier.isiWOS:A1997YF95800016-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridYeung, AT=7102390361en_US
dc.identifier.scopusauthoridHsu, CN=7404947324en_US
dc.identifier.scopusauthoridMenon, RM=35610039900en_US

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