The characteristics of wet air oxidation of phenol over CuOx/Al2O3 catalysts: Effect of copper loading

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dc.contributor.authorKim, Sang-Kyungko
dc.contributor.authorKim, Kyoung-Hunko
dc.contributor.authorIhm, Son Kiko
dc.date.accessioned2008-03-25T05:35:51Z-
dc.date.available2008-03-25T05:35:51Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2007-
dc.identifier.citationCHEMOSPHERE, v.68, no.2, pp.287 - 292-
dc.identifier.issn0045-6535-
dc.identifier.urihttp://hdl.handle.net/10203/3499-
dc.description.abstractThe nature of active copper species is well-known to vary with copper loading, i.e., isolated Cu2+ to bulk CuO. In this work, however, the effect of copper loading on the activity and the selectivity was investigated for the wet oxidation of phenol over CuOx/Al2O3 catalysts. The activity and the mineralization selectivity of the catalysts increased with copper loading up to 7 wt% and remained almost the same at a higher loading. The optimum copper loading was about 7 wt% for the wet oxidation of phenol over CuOx/Al2O3 catalysts in this work. The nature of copper species with different loading was characterized with TPR, XRD, and XANES. The chemical states of copper in the CuOx/Al2O3 catalysts were confirmed as varying with copper loading: isolated Cu2+ ions for 1 wt%; highly dispersed Cu2+ cluster for 5 wt% and 7 wt%1 and bulk CuO for 10-25 wt%. The stability of the CuOx/Al2O3 catalysts with different copper loading was also studied with respect to carbonaceous deposits and copper leaching. (C) 2006 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherPergamon-Elsevier Science Ltd-
dc.subjectAQUEOUS-SOLUTIONS-
dc.subjectACTIVATED CARBON-
dc.subjectOXIDE-
dc.subjectREDUCTION-
dc.subjectORGANICS-
dc.titleThe characteristics of wet air oxidation of phenol over CuOx/Al2O3 catalysts: Effect of copper loading-
dc.typeArticle-
dc.identifier.wosid000246879500012-
dc.identifier.scopusid2-s2.0-34047156706-
dc.type.rimsART-
dc.citation.volume68-
dc.citation.issue2-
dc.citation.beginningpage287-
dc.citation.endingpage292-
dc.citation.publicationnameCHEMOSPHERE-
dc.identifier.doi10.1016/j.chemosphere.2006.12.080-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorIhm, Son Ki-
dc.contributor.nonIdAuthorKim, Sang-Kyung-
dc.contributor.nonIdAuthorKim, Kyoung-Hun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorwet air oxidation-
dc.subject.keywordAuthorphenol-
dc.subject.keywordAuthorCuOx/Al2O3-
dc.subject.keywordAuthorTPR-
dc.subject.keywordAuthorXANES-
dc.subject.keywordAuthorN2O reactive frontal chromatography-
dc.subject.keywordPlusAQUEOUS-SOLUTIONS-
dc.subject.keywordPlusACTIVATED CARBON-
dc.subject.keywordPlusOXIDE-
dc.subject.keywordPlusREDUCTION-
dc.subject.keywordPlusORGANICS-
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