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题名: Properties of the metallic phase of zinc-doped platinum catalysts for propane dehydrogenation
作者: Yu, Changlin;  Xu, Hengyong;  Ge, Qingjie;  Li, Wenzhao
通讯作者: 徐恒泳
关键词: platinum catalyst ;  zinc effect ;  propane dehydrogenation to propylene
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2007-04-02
DOI: 10.1016/j.molcata.2006.10.025
卷: 266, 期:1-2, 页:80-87
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The influence of the zinc addition to alumina supported Pt and PtSn catalysts is analyzed in this paper, not only on the activity, selectivity and deactivation in the propane dehydrogenation reaction, but also on the characteristics of platinum metal phase. Zinc can give a remarkable improvement in dehydrogenation performance of catalysts. High propylene selectivity (> 97%) can be obtained over zinc-doped catalysts. Physicochemical technologies like BET, NH3-TPD, H-2-TPR, H-2-chernisorption, C3H6-TPD, CO-FTIR and TPO were used to characterize the metal phase of catalysts. The presence of zinc modifies the metallic phase, mainly by geometric and electronic modifications of the metallic phase. These modifications could be responsible for the improvement of catalytic performance. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: TIN REFORMING CATALYSTS ;  SUPPORTED PLATINUM ;  CARBON-MONOXIDE ;  ISOBUTANE DEHYDROGENATION ;  PT-SN/AL2O3 CATALYSTS ;  PTSN CATALYSTS ;  N-HEXANE ;  HYDROGENATION ;  BEHAVIOR ;  SN
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000245672000013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98515
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Grad Sch, Appl Catalysis Lab, Dalian 116023, Peoples R China

Recommended Citation:
Yu, Changlin,Xu, Hengyong,Ge, Qingjie,et al. Properties of the metallic phase of zinc-doped platinum catalysts for propane dehydrogenation[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2007,266(1-2):80-87.
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