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题名: Effect of crystallization mode of hydrous zirconia support on the isomerization activity of Pt/WO3-ZrO2
作者: Song, Yueqin1;  Zhang, Juanjuan1;  Zhang, Yifei1;  Zhou, Xiaolong1;  Wang, Jin-An2;  Xu, Longya3
关键词: Crystallization mode ;  Hydrous zirconia ;  Platinum ;  Tungstated zirconia ;  Isomerization
刊名: CATALYSIS TODAY
发表日期: 2011-05-30
DOI: 10.1016/j.cattod.2010.06.002
卷: 166, 期:1, 页:79-83
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A series of crystalline hydrous zirconia supports were prepared by different methods. The effects of preparation method of crystalline hydrous zirconia on its crystallization mode and the catalytic activity of Pt/WO3-ZrO2 in n-hexane isomerization were studied. The catalysts were characterized by XRD and Raman spectroscopy, H-2-TPR and NH3-TPD in order to investigate the crystalline structure, reduction properties and acidity of the catalyst. The results indicated that the crystallization mode of hydrous zirconia from different preparation methods was closely related to the ambience of the process, which significantly influenced the isomerization activity of Pt/WO3-ZrO2. The crystallization occurring at the surface region of the hydrous zirconia particles led to an inactive Pt/WO3-ZrO2, while the crystallization occurring only inside hydrous zirconia particles led to a catalyst with high activity. (C) 2010 Elsevier B. V. All rights reserved.
关键词[WOS]: TUNGSTEN-OXIDE ;  CATALYTIC PERFORMANCE ;  HEXANE ISOMERIZATION ;  SURFACE-STRUCTURE ;  ACIDITY ;  PLATINUM ;  WOX-ZRO2
语种: 英语
WOS记录号: WOS:000290516500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142628
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.E China Univ Sci & Technol, Petr Proc Res Ctr, Shanghai 200237, Peoples R China
2.Inst Politecn Nacl, ESIQIE, Lab Catalisis & Mat, Mexico City 07738, DF, Mexico
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Song, Yueqin,Zhang, Juanjuan,Zhang, Yifei,et al. Effect of crystallization mode of hydrous zirconia support on the isomerization activity of Pt/WO3-ZrO2[J]. CATALYSIS TODAY,2011,166(1):79-83.
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