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题名: Effect of aluminum on the mechanical stress stability of WOx/ZrO2 superacid
作者: Tian Ge1, 2;  Xu Yunpeng1;  Xu Zhusheng;  Tian Zhijian1;  Lin Liwu1
关键词: zirconia ;  solid acid ;  alkane isomerization ;  mechanical stress
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2008-05-01
卷: 29, 期:5, 页:415-417
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: Tetragonal structure of ZrO2 support is very important for WOx/ZrO2 catalysts to be highly active. In this study, it was found that mechanical stress treatments (grinding in a mortar or pressing under 50 MPa) resulted in a partial phase transformation of WOx/ZrO2 from tetragonal ZrO2 to monoclinic ZrO2 and also decreased the n-heptane isomerization activity of the Pt/WOx/ZrO2 catalyst. The addition of aluminum greatly improved the resistance of WOx/ZrO2 to mechanical stress and maintained its n-heptane isomerization activity.
关键词[WOS]: N-BUTANE ISOMERIZATION ;  CATALYTIC PERFORMANCE ;  ZIRCONIA CATALYSTS ;  SULFATED ZIRCONIA ;  PHASE
语种: 英语
WOS记录号: WOS:000256891200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140996
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Tian Ge,Xu Yunpeng,Xu Zhusheng,et al. Effect of aluminum on the mechanical stress stability of WOx/ZrO2 superacid[J]. CHINESE JOURNAL OF CATALYSIS,2008,29(5):415-417.
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