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WO3 microcrystallites: One of the crucial factors controlling the isomerization activity of Pt/WO3-ZrO2
Song, Yueqin1; Zhang, Juanjuan1; Zhou, Xiaolong1; Wang, Jin-An2; Xu, Longya3; Yu, Guoxian4
关键词Hydrothermal Hydrous Zirconia Platinum Tungstated Zirconia N-hexane Isomerization
刊名CATALYSIS TODAY
2011-05-30
DOI10.1016/j.cattod.2010.05.037
166期:1页:67-72
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
关键词[WOS]TUNGSTATED ZIRCONIA CATALYSTS ; N-BUTANE ISOMERIZATION ; PLATINUM ; CONVERSION ; WOX-ZRO2
英文摘要A series of hydrous zirconia supports were prepared by hydrothermal method and Pt/WO3-ZrO2 catalysts were prepared by impregnation method. The catalytic activity of Pt/WO3-ZrO2 in n-hexane isomerization was evaluated in a fixed-bed reactor. In order to investigate the crystalline structure, acidity, and textural properties, the catalysts were characterized by XRD and Raman spectroscopy, NH3-TPD, FTIR, and N-2 adsorption. The results indicated that the crystalline structure of hydrous zirconia support and the state of tungsten oxide species over the catalyst varied obviously with the hydrothermal temperature, while no distinct change in the acidity of the catalyst occurred. The isomerization activity of Pt/WO3-ZrO2 could not well be correlated with the crystalline structure of hydrous zirconia support and the acidity. It was proposed that the presence of considerable microcrystalline WO3 in catalyst was indispensable for achieving high isomerization activity. (C) 2010 Elsevier B. V. All rights reserved.
语种英语
WOS记录号WOS:000290516500010
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142685
专题中国科学院大连化学物理研究所
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
4.Jianghan Univ, Sch Chem & Environm Engn, Wuhan 430056, Hubei Province, Peoples R China
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Song, Yueqin,Zhang, Juanjuan,Zhou, Xiaolong,et al. WO3 microcrystallites: One of the crucial factors controlling the isomerization activity of Pt/WO3-ZrO2[J]. CATALYSIS TODAY,2011,166(1):67-72.
APA Song, Yueqin,Zhang, Juanjuan,Zhou, Xiaolong,Wang, Jin-An,Xu, Longya,&Yu, Guoxian.(2011).WO3 microcrystallites: One of the crucial factors controlling the isomerization activity of Pt/WO3-ZrO2.CATALYSIS TODAY,166(1),67-72.
MLA Song, Yueqin,et al."WO3 microcrystallites: One of the crucial factors controlling the isomerization activity of Pt/WO3-ZrO2".CATALYSIS TODAY 166.1(2011):67-72.
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