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Article: Electro-catalytic oxidation of phenol on several metal-oxide electrodes in aqueous solution

TitleElectro-catalytic oxidation of phenol on several metal-oxide electrodes in aqueous solution
Authors
Issue Date2003
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/watres
Citation
Water Research, 2003, v. 37 n. 10, p. 2399-2407 How to Cite?
AbstractElecrtochemical degradation of phenol was evaluated at five typical anodes for mineralization to carbon dioxide or for being a pre-treatment method in toxic aromatic compounds. Three kinds of RuO2-base electrodes were prepared by thermal deposition, which were coated by the oxides of Ru or by Ru, Sn and Sb or by Ru, Sn, Sb and Gd on Ti metal surface, respectively. Another electrode Ti/ PbO2 was prepared by electro-deposition method with PbO2 coated on Ti. A Pt electrode was chosen for comparison. Characteristics of the typical five electrodes were investigated by cyclic voltammetry, SEM and its degradation ability for phenol. Performance for phenol degradation of the three RuO2 electrodes lie in: Ti/Sb-Sn-RuO2-Gd> Ti/Sb-Sn-RuO2> Ti/RuO2 and the electrode with β-PbO2 coating was superior to RuO2-based electrodes and Pt electrode. Aromatic ring opening take place at all researched electrodes and it is supposed that electrolysis run stop at different intermediates, such as benzoquinone, maleic acid, etc. Under the present experimental conditions, whole mineralization to CO2 takes place only in the β-PbO2 anode. A pathway of electrochemical degradation of phenol was suggested based on the experimental analysis. © 2003 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/70899
ISSN
2015 Impact Factor: 5.991
2015 SCImago Journal Rankings: 2.772
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFeng, YJen_HK
dc.contributor.authorLi, XYen_HK
dc.date.accessioned2010-09-06T06:27:06Z-
dc.date.available2010-09-06T06:27:06Z-
dc.date.issued2003en_HK
dc.identifier.citationWater Research, 2003, v. 37 n. 10, p. 2399-2407en_HK
dc.identifier.issn0043-1354en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70899-
dc.description.abstractElecrtochemical degradation of phenol was evaluated at five typical anodes for mineralization to carbon dioxide or for being a pre-treatment method in toxic aromatic compounds. Three kinds of RuO2-base electrodes were prepared by thermal deposition, which were coated by the oxides of Ru or by Ru, Sn and Sb or by Ru, Sn, Sb and Gd on Ti metal surface, respectively. Another electrode Ti/ PbO2 was prepared by electro-deposition method with PbO2 coated on Ti. A Pt electrode was chosen for comparison. Characteristics of the typical five electrodes were investigated by cyclic voltammetry, SEM and its degradation ability for phenol. Performance for phenol degradation of the three RuO2 electrodes lie in: Ti/Sb-Sn-RuO2-Gd> Ti/Sb-Sn-RuO2> Ti/RuO2 and the electrode with β-PbO2 coating was superior to RuO2-based electrodes and Pt electrode. Aromatic ring opening take place at all researched electrodes and it is supposed that electrolysis run stop at different intermediates, such as benzoquinone, maleic acid, etc. Under the present experimental conditions, whole mineralization to CO2 takes place only in the β-PbO2 anode. A pathway of electrochemical degradation of phenol was suggested based on the experimental analysis. © 2003 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/watresen_HK
dc.relation.ispartofWater Researchen_HK
dc.subject.meshCatalysisen_HK
dc.subject.meshDisinfectants - chemistryen_HK
dc.subject.meshElectrochemistryen_HK
dc.subject.meshElectrodesen_HK
dc.subject.meshMetals - chemistryen_HK
dc.subject.meshOxidation-Reductionen_HK
dc.subject.meshOxides - chemistryen_HK
dc.subject.meshPhenol - chemistryen_HK
dc.subject.meshWater Purification - methodsen_HK
dc.titleElectro-catalytic oxidation of phenol on several metal-oxide electrodes in aqueous solutionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0043-1354&volume=37&spage=2399&epage=2407&date=2003&atitle=Electro-catalytic+oxidation+of+phenol+on+several+metal-oxide+electrodes+in+aqueous+solutionen_HK
dc.identifier.emailLi, XY:xlia@hkucc.hku.hken_HK
dc.identifier.authorityLi, XY=rp00222en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0043-1354(03)00026-5en_HK
dc.identifier.pmid12727251-
dc.identifier.scopuseid_2-s2.0-0037405957en_HK
dc.identifier.hkuros81124en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037405957&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume37en_HK
dc.identifier.issue10en_HK
dc.identifier.spage2399en_HK
dc.identifier.epage2407en_HK
dc.identifier.isiWOS:000182940100018-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFeng, YJ=7404543985en_HK
dc.identifier.scopusauthoridLi, XY=26642887900en_HK

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