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题名: Dynamic redox cycle of Cu-0 and Cu+ over Cu/SiO2 catalyst in ester hydrogenation
作者: Ma, Xiangang1;  Yang, Zhiqiang2;  Liu, Xuebin2;  Tan, Xingzhi2;  Ge, Qingjie1
刊名: RSC ADVANCES
发表日期: 2015
DOI: 10.1039/c5ra04389a
卷: 5, 期:47, 页:37581-37584
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: Esters (methyl acetate, ethyl acetate, dimethyl oxalate) can oxidize Cu-0 of the reduced Cu/SiO2 catalyst to Cu+ and the obtained Cu+ can be reduced back to Cu-0 by H-2 under reaction conditions. Cu-0 and Cu+ are in a dynamic cycle during ester hydrogenation. The ratio of Cu+/Cu-0 in the presence of esters under reaction conditions is probably different from that in the absence of esters under characterization conditions. The effect of the dynamic cycle on the Cu+/Cu-0 ratio should be taken into consideration when establishing the relationship between the Cu+/Cu-0 ratio and reaction performance.
关键词[WOS]: SILICA-SUPPORTED COPPER ;  VAPOR-PHASE HYDROGENATION ;  DIMETHYL OXALATE ;  ETHYLENE-GLYCOL ;  CHEMOSELECTIVE HYDROGENATION ;  STRUCTURAL EVOLUTION ;  HMS CATALYST ;  GEL METHOD ;  CR OXIDE ;  HYDROGENOLYSIS
语种: 英语
WOS记录号: WOS:000353653200052
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146257
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 Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.BP China Holdings Ltd, Energy Innovat Lab, Dalian 116023, Peoples R China

Recommended Citation:
Ma, Xiangang,Yang, Zhiqiang,Liu, Xuebin,et al. Dynamic redox cycle of Cu-0 and Cu+ over Cu/SiO2 catalyst in ester hydrogenation[J]. RSC ADVANCES,2015,5(47):37581-37584.
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