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The effects of oxide supports on the low temperature hydrogenation activity of acetone over Pt/Ni bimetallic catalysts on SiO2, gamma-Al2O3 and TiO2
Qi, Suitao2; Cheney, Beth A.1; Zheng, Renyang3; Lonergan, William W.1; Yu, Weiting1; Chen, Jingguang G.1
2011-02-15
Source PublicationAPPLIED CATALYSIS A-GENERAL
ISSN0926-860X
Volume393Issue:1-2Pages:44-49
AbstractLow temperature (308K) hydrogenation of acetone was used as a probe reaction to investigate the support effect on the hydrogenation activity of Pt/Ni bimetallic catalysts supported on TiO2, SiO2 and gamma-Al2O3. The oxide supports significantly affected the catalytic properties of Pt/Ni catalysts, in which Pt/Ni/SiO2 bimetallic catalysts exhibited significantly higher activity than the other two bimetallic catalysts. TEM measurements revealed that the three supported Pt/Ni bimetallic catalysts have similar particle size distribution, while CO chemisorption measurements showed very different chemisorption capacity. Extended X-Ray absorption fine structure (EXAFS) measurements of the Pt L-III-edge indicated that Pt atoms were fully reduced and the Pt-Ni bimetallic bonds were formed on all three catalysts. The extent of Pt-Ni bond formation followed the trend of SiO2 > gamma-Al2O3 > TiO2, which correlated very well with the hydrogenation activity. (c) 2010 Elsevier B.V. All rights reserved.
KeywordSupport Effect Pt/ni Bimetallic Catalysts Hydrogenation Acetone Exafs
DOI10.1016/j.apcata.2010.11.023
Indexed BySCI
Language英语
WOS IDWOS:000287619400007
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72078
Collection中国科学院化学研究所
Corresponding AuthorChen, Jingguang G.
Affiliation1.Univ Delaware, Dept Chem Engn, Ctr Catalyt Sci & Technol, Newark, DE 19716 USA
2.Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Chem Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
3.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China
Recommended Citation
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Qi, Suitao,Cheney, Beth A.,Zheng, Renyang,et al. The effects of oxide supports on the low temperature hydrogenation activity of acetone over Pt/Ni bimetallic catalysts on SiO2, gamma-Al2O3 and TiO2[J]. APPLIED CATALYSIS A-GENERAL,2011,393(1-2):44-49.
APA Qi, Suitao,Cheney, Beth A.,Zheng, Renyang,Lonergan, William W.,Yu, Weiting,&Chen, Jingguang G..(2011).The effects of oxide supports on the low temperature hydrogenation activity of acetone over Pt/Ni bimetallic catalysts on SiO2, gamma-Al2O3 and TiO2.APPLIED CATALYSIS A-GENERAL,393(1-2),44-49.
MLA Qi, Suitao,et al."The effects of oxide supports on the low temperature hydrogenation activity of acetone over Pt/Ni bimetallic catalysts on SiO2, gamma-Al2O3 and TiO2".APPLIED CATALYSIS A-GENERAL 393.1-2(2011):44-49.
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