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Catalytic removal of gaseous benzene over Pt/SBA-15 catalyst: the effect of the preparation method
Tang, Wenxiang1,2; Wu, Xiaofeng1; Chen, Yunfa1
2015-04-01
Source PublicationREACTION KINETICS MECHANISMS AND CATALYSIS
ISSN1878-5190
Volume114Issue:2Pages:711-723
Abstract

Porous SBA-15 silica with high surface area was used as a support for loading active Pt with low content of 0.5 wt% through a deposition-reduction or impregnation method and further applied for deep oxidation of benzene. These materials were characterized by X-ray diffraction, nitrogen adsorption-desorption, transmission electron microscopy, inductively coupled plasma optical emission spectrometer and X-ray photoelectron spectroscopy techniques. The porous SBA-15 support with high surface area provides a sufficient room for dispersion of Pt nanoparticles. The synthesis routes have a great influence on the chemical-physical properties and catalytic performances of the Pt/SBA-15 catalysts. The catalysts reduced by NaBH4 and H-2 exhibited higher activities than that on air-treated and sodium citrate-reduced samples because of their smaller crystallite size, higher dispersion and negatively charged metallic introduced with a strong metal-support interaction. Complete benzene conversion to CO2 has been achieved at about 145 A degrees C over the best NaBH4-derived Pt/SBA-15 catalyst which was 82 A degrees C lower than that on the catalyst prepared by sodium citrate reduction approach.

KeywordPt/sba-15 Catalyst Catalytic Oxidation Benzene Preparation Method
SubtypeArticle
Subject AreaChemistry
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11144-014-0817-9
Indexed BySCI
Language英语
WOS KeywordVolatile Organic-compounds ; Indoor Air-pollution ; Carbon-monoxide ; Total Oxidation ; Supported Gold ; Gas-phase ; Temperature ; Combustion ; Formaldehyde ; Efficient
Funding Projectstrategic project of science and technology of Chinese Academy of Sciences [XDB05050000] ; National Natural Science Foundation of China [51272253, 51002154]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000351177700025
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13798
Collection研究所(批量导入)
Corresponding AuthorChen, Yunfa
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tang, Wenxiang,Wu, Xiaofeng,Chen, Yunfa. Catalytic removal of gaseous benzene over Pt/SBA-15 catalyst: the effect of the preparation method[J]. REACTION KINETICS MECHANISMS AND CATALYSIS,2015,114(2):711-723.
APA Tang, Wenxiang,Wu, Xiaofeng,&Chen, Yunfa.(2015).Catalytic removal of gaseous benzene over Pt/SBA-15 catalyst: the effect of the preparation method.REACTION KINETICS MECHANISMS AND CATALYSIS,114(2),711-723.
MLA Tang, Wenxiang,et al."Catalytic removal of gaseous benzene over Pt/SBA-15 catalyst: the effect of the preparation method".REACTION KINETICS MECHANISMS AND CATALYSIS 114.2(2015):711-723.
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