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题名: The effect of additives on Cu/HZSM-5 catalyst for DME synthesis
作者: Jia, ML;  Li, WZ;  Xu, HY;  Hou, SF;  Yu, CY;  Ge, QJ
关键词: Cuo : HZSM-5 ;  Cu-ZnO-ZrO2 : HZSM-5 ;  syngas ;  dimethyl ether synthesis ;  methanol synthesis
刊名: CATALYSIS LETTERS
发表日期: 2002-11-01
卷: 84, 期:1-2, 页:31-35
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The addition of ZnO or ZrO2 into CuO/HZSM-5 was investigated for DME synthesis from syngas by using the reactive frontal chromatography method, TPR and in situ TPR. These promoters enhanced the catalytic activity of Cu/HZSM-5 and promotion with ZnO and ZrO2 produced a maximum activity, which could be explained by the improvement of the dispersion of Cu and the promotion of CuO reduction. The Cu+ species existing during the reaction have been detected, based on which a Cu-0 <-> Cu+1 redox cycle model was put forward.
关键词[WOS]: METHANOL SYNTHESIS CATALYSTS ;  COPPER-CATALYSTS ;  DIMETHYL ETHER ;  SYNTHESIS GAS ;  SURFACE ;  CONVERSION ;  STATE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000179179200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/85767
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

Recommended Citation:
Jia, ML,Li, WZ,Xu, HY,et al. The effect of additives on Cu/HZSM-5 catalyst for DME synthesis[J]. CATALYSIS LETTERS,2002,84(1-2):31-35.
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