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Support effect on the low-temperature hydrogenation of benzene over PtCo bimetallic and the corresponding monometallic catalysts
Lu, Shuliang1,3,4; Lonergan, William W.2; Zhu, Yuexiang1; Xie, Youchang1; Chen, Jingguang G.2
2009-09-28
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume91Issue:3-4Pages:610-618
AbstractPtCo bimetallic and Co, Pt monometallic catalysts supported on gamma-Al(2)O(3), SiO(2). TiO(2) and activated carbon (AC) were prepared and evaluated for the hydrogenation of benzene at relatively low temperatures (343 K) and atmospheric pressure. Results from flow reactor studies showed that supports strongly affected the catalytic properties of different bimetallic catalysts. AC supported PtCo bimetallic catalysts exhibited significantly better performance than the other bimetallic catalysts, and all the bimetallic catalysts possessed higher activity than the corresponding monometallic catalysts. Results from CO chemisorption and H(2)-temperature-programmed reduction (H(2)-TPR) studies suggested that different catalysts possessed different properties in chemisorption capacity and reduction behavior, and AC supported PtCo catalysts possessed significantly higher CO chemisorption capacity compared to the other catalysts. Extended X-ray absorption fine structure (EXAFS) and transmission electron microscopy (TEM) analysis provided additional information regarding the formation of Pt-Co bimetallic bonds and metallic particle size distribution in the PtCo bimetallic catalysts on different supports. (C) 2009 Published by Elsevier B.V.
KeywordBenzene Hydrogenation Bimetallic Ptco Exafs
DOI10.1016/j.apcatb.2009.06.036
Indexed BySCI
Language英语
WOS IDWOS:000270120600005
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66876
Collection中国科学院化学研究所
Corresponding AuthorZhu, Yuexiang
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China
2.Univ Delaware, Ctr Catalyt Sci & Technol, Dept Chem Engn, Newark, DE 19716 USA
3.Peking Univ, Inst Theoret & Computat Chem, Beijing 100871, Peoples R China
4.Peking Univ, Ctr Computat Sci & Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Lu, Shuliang,Lonergan, William W.,Zhu, Yuexiang,et al. Support effect on the low-temperature hydrogenation of benzene over PtCo bimetallic and the corresponding monometallic catalysts[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2009,91(3-4):610-618.
APA Lu, Shuliang,Lonergan, William W.,Zhu, Yuexiang,Xie, Youchang,&Chen, Jingguang G..(2009).Support effect on the low-temperature hydrogenation of benzene over PtCo bimetallic and the corresponding monometallic catalysts.APPLIED CATALYSIS B-ENVIRONMENTAL,91(3-4),610-618.
MLA Lu, Shuliang,et al."Support effect on the low-temperature hydrogenation of benzene over PtCo bimetallic and the corresponding monometallic catalysts".APPLIED CATALYSIS B-ENVIRONMENTAL 91.3-4(2009):610-618.
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