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题名: Novel Cu-Ir bimetallic catalysts supported on CeO2 modified SiO2
作者: Wang, LN;  Zhang, XW;  Chu, W;  Yang, WS;  Zhang, T
关键词: bimetallic catalyst ;  methanol decomposition ;  ceria promoter ;  Cu-Ir ;  characterization
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2005-08-10
卷: 26, 期:8, 页:1507-1511
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The novel Cu-Ir bimetallic catalysts with ceria modified silica supported were prepared via impregnation method for methanol decomposition. Cu-Ir/CeO2-SiC2 catalyst exhibited a higher catalytic activity and a better stability than Cu-Ir/SiO2 catalyst. After 10 h of reaction, the methanol conversion was still over 96% with ceria modified Cu-Ir/SiO2 catalyst, while that of Cu-Ir/SiO2 catalyst decreased to 39.1%. The catalyst samples were characterized by XPS, H-2-TPR, XRD and BET techniques. The addition of ceria to silica supported Cu-Ir catalyst could improve the dispersion and restrain the sintering of the active component.
关键词[WOS]: COPPER-BASED CATALYSTS ;  GLOW-DISCHARGE PLASMA ;  SELECTIVE HYDROGENATION ;  METHANOL DECOMPOSITION ;  CARBON-DIOXIDE ;  DEHYDROGENATION ;  ACETYLENE ;  PALLADIUM
语种: 英语
WOS记录号: WOS:000231321400030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139775
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.Sichuan Univ, Dept Chem Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wang, LN,Zhang, XW,Chu, W,et al. Novel Cu-Ir bimetallic catalysts supported on CeO2 modified SiO2[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(8):1507-1511.
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