Degradation of trichloroethylene by Fe(II) chelated with cross-linked chitosan in a modified Fenton reaction

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dc.contributor.authorLee, Youngminko
dc.contributor.authorLee, Woojinko
dc.date.accessioned2011-07-07T02:34:19Z-
dc.date.available2011-07-07T02:34:19Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-06-
dc.identifier.citationJOURNAL OF HAZARDOUS MATERIALS, v.178, no.1-3, pp.187 - 193-
dc.identifier.issn0304-3894-
dc.identifier.urihttp://hdl.handle.net/10203/24479-
dc.description.abstractDegradation of trichloroethylene (TCE) by a modified Fenton reaction was investigated in aqueous solution. Fenton reaction can be significantly enhanced in the presence of Fe(II) chelated by cross-linked chitosan (CS) with glutaraldehyde (GLA) at neutral pH. A remarkable oxidative degradation of TCE (1.838 h(-1)) was observed in the modified Fenton system with Fe(II)-CS/GLA (10 mM and 2 g L(-1), respectively) and H(2)O(2) (318 mM), while no significant degradation (0.005 h(-1)) was observed in the classic Fenton reaction system with Fe(II) (10 mM) and H(2)O(2) (318 mM) at pH 7 in 5 h. The kinetic rate constants for the degradation of ICE in the modified Fenton system was dependent on the initial suspension pH, Fe(II) loading, CS/GLA dosage, and concentration of H(2)O(2). We observed the formation of surface Fe(II)CS/GLA complex using microscopic analyses and identified Fe oxidation (Fe(II) to Fe(III)) coupled with H(2)O(2) reduction on the Fe(II)-CS/GLA surfaces during the modified Fenton reaction. (C) 2010 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipGAIA Project (141-081-030, MOE), KRF project (2007-313-D00439), and NRF project (2009-0090376)en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSUPPORTED PALLADIUM CATALYST-
dc.subjectHYDROGEN-PEROXIDE-
dc.subjectAQUEOUS-SOLUTION-
dc.subjectCHEMICAL OXIDATION-
dc.subjectCONTAMINATED SOILS-
dc.subjectIONS-
dc.subjectDYES-
dc.subjectTRANSFORMATION-
dc.subjectREMEDIATION-
dc.subjectCHEMISTRY-
dc.titleDegradation of trichloroethylene by Fe(II) chelated with cross-linked chitosan in a modified Fenton reaction-
dc.typeArticle-
dc.identifier.wosid000278056300024-
dc.identifier.scopusid2-s2.0-77951027866-
dc.type.rimsART-
dc.citation.volume178-
dc.citation.issue1-3-
dc.citation.beginningpage187-
dc.citation.endingpage193-
dc.citation.publicationnameJOURNAL OF HAZARDOUS MATERIALS-
dc.identifier.doi10.1016/j.jhazmat.2010.01.062-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorLee, Woojin-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorModified Fenton reaction-
dc.subject.keywordAuthorCross-linked chitosan-
dc.subject.keywordAuthorFe(II) chelation-
dc.subject.keywordAuthorNeutral pH-
dc.subject.keywordAuthorTCE-
dc.subject.keywordPlusSUPPORTED PALLADIUM CATALYST-
dc.subject.keywordPlusHYDROGEN-PEROXIDE-
dc.subject.keywordPlusAQUEOUS-SOLUTION-
dc.subject.keywordPlusCHEMICAL OXIDATION-
dc.subject.keywordPlusCONTAMINATED SOILS-
dc.subject.keywordPlusIONS-
dc.subject.keywordPlusDYES-
dc.subject.keywordPlusTRANSFORMATION-
dc.subject.keywordPlusREMEDIATION-
dc.subject.keywordPlusCHEMISTRY-
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CE-Journal Papers(저널논문)
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