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Article: Photocatalytic reforming of C3-polyols for H 2 production. Part (I). Role of their OH groups

TitlePhotocatalytic reforming of C3-polyols for H 2 production. Part (I). Role of their OH groups
Authors
KeywordsHydrogen production
OH group
Photocatalytic reforming
Polyols
Pt/TiO 2
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/apcatb
Citation
Applied Catalysis B: Environmental, 2011, v. 106 n. 3-4, p. 681-688 How to Cite?
AbstractTiO 2 photocatalyst was prepared by sol-gel method, and then loaded with 1.0wt.% Pt by impregnation-chemical reduction method (denoted as PT). Photocatalytic reforming (PR) of C3-polyols (glycerol, propyleneglycol, and isopropanol) which have similar carbohydrate structure but possess different number of OH groups for H 2 production over PT was performed to study the role of their OH groups in the reforming reaction. The results indicated that the H 2 evolution rate and the mineralization efficiency of polyols (oxidized to CO 2) are highly correlated with the number of OH groups they contain. The more OH group it has, the higher H 2 evolution rate can be obtained, as well as the generation of CO 2. The roles of the OH group were discussed in terms of providing an anchor for the chemical adsorption of polyols to the PT and serving as an effective holes scavenger to trigger the reforming reaction. For a polyol molecule, only OH directly connected segment can be effectively converted to H 2 and CO 2 via the PR process. © 2011 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/139403
ISSN
2014 Impact Factor: 7.435
ISI Accession Number ID
Funding AgencyGrant Number
NSFC21003021
20873022
20973071
National High Tech R&D Program of China (863 Program)2008AA06Z326
HKU
Funding Information:

This work was financially supported by the NSFC Grants (Nos. 21003021, 20873022, and 20973071), and the National High Tech R&D Program of China (863 Program, 2008AA06Z326). The authors at the University of Hong Kong (HKU) acknowledgement HKU for supporting part of the work in this paper.

References

 

DC FieldValueLanguage
dc.contributor.authorFu, Xen_HK
dc.contributor.authorWang, Xen_HK
dc.contributor.authorLeung, DYCen_HK
dc.contributor.authorGu, Qen_HK
dc.contributor.authorChen, Sen_HK
dc.contributor.authorHuang, Hen_HK
dc.date.accessioned2011-09-23T05:49:11Z-
dc.date.available2011-09-23T05:49:11Z-
dc.date.issued2011en_HK
dc.identifier.citationApplied Catalysis B: Environmental, 2011, v. 106 n. 3-4, p. 681-688en_HK
dc.identifier.issn0926-3373en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139403-
dc.description.abstractTiO 2 photocatalyst was prepared by sol-gel method, and then loaded with 1.0wt.% Pt by impregnation-chemical reduction method (denoted as PT). Photocatalytic reforming (PR) of C3-polyols (glycerol, propyleneglycol, and isopropanol) which have similar carbohydrate structure but possess different number of OH groups for H 2 production over PT was performed to study the role of their OH groups in the reforming reaction. The results indicated that the H 2 evolution rate and the mineralization efficiency of polyols (oxidized to CO 2) are highly correlated with the number of OH groups they contain. The more OH group it has, the higher H 2 evolution rate can be obtained, as well as the generation of CO 2. The roles of the OH group were discussed in terms of providing an anchor for the chemical adsorption of polyols to the PT and serving as an effective holes scavenger to trigger the reforming reaction. For a polyol molecule, only OH directly connected segment can be effectively converted to H 2 and CO 2 via the PR process. © 2011 Elsevier B.V.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/apcatben_HK
dc.relation.ispartofApplied Catalysis B: Environmentalen_HK
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Applied Catalysis B: Environmental. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Catalysis B: Environmental, [VOL 106, ISSUE 3-4, 2011] DOI 10.1016/j.apcatb.2011.05.045-
dc.subjectHydrogen productionen_HK
dc.subjectOH groupen_HK
dc.subjectPhotocatalytic reformingen_HK
dc.subjectPolyolsen_HK
dc.subjectPt/TiO 2en_HK
dc.titlePhotocatalytic reforming of C3-polyols for H 2 production. Part (I). Role of their OH groupsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0926-3373&volume=&spage=&epage=&date=2011&atitle=Photocatalytic+reforming+of+C3-polyols+for+H2+production::+Part+(I).+Role+of+their+OH+groupsen_US
dc.identifier.emailLeung, DYC:ycleung@hku.hken_HK
dc.identifier.authorityLeung, DYC=rp00149en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.apcatb.2011.05.045en_HK
dc.identifier.scopuseid_2-s2.0-79960843690en_HK
dc.identifier.hkuros195037en_US
dc.identifier.hkuros200084en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79960843690&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume106en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage681en_HK
dc.identifier.epage688en_HK
dc.identifier.isiWOS:000294092400048-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridFu, X=35214986500en_HK
dc.identifier.scopusauthoridWang, X=35276060900en_HK
dc.identifier.scopusauthoridLeung, DYC=7203002484en_HK
dc.identifier.scopusauthoridGu, Q=36910098600en_HK
dc.identifier.scopusauthoridChen, S=36727041700en_HK
dc.identifier.scopusauthoridHuang, H=24080074500en_HK

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