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题名: Promoting effect of Mg in supported Mo/HBeta-Al2O3 catalyst for cross-metathesis of ethene and butene-2 to propene
作者: Li, Xiujie1;  Zhang, Weiping1;  Liu, Shenglin1;  Xie, Sujuan1;  Zhu, Xiangxue1;  Bao, Xinhe1;  Xu, Longya1
通讯作者: 张维萍 ;  徐龙伢
关键词: Propene ;  Olefin metathesis ;  Mo/HBeta-Al2O3 catalyst ;  Mg ;  Promoting effect
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2009-11-02
DOI: 10.1016/j.molcata.2009.07.020
卷: 313, 期:1-2, 页:38-43
收录类别: SCI
文章类型: Article
部门归属: 5,8
项目归属: 502,804
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Promoting effects of Mg in heterogeneous Mo/HBeta-Al2O3 catalyst have been carefully studied for cross-metathesis of ethene and butene-2 to propene. The catalyst shows good stability with Mg content in the range of 1-2 wt%. Such effect may be attributed to the elimination of weak acid sites through introduction of Mg which suppresses the side olefin oligomerization reaction, as evidenced from NH3-TPD and H-1 MAS NMR results. Addition of more Mg content to 3 wt% may change the state and reducibility of Mo species, as indicated from the UV-vis. UV-Raman and H-2-TPR measurements. The increasing difficulty for the reduction of Mo(VI) species is closely related with the poor performance of 3 wt% Mg-4Mo/HBeta-30% Al2O3 catalyst in the metathesis reaction. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: SOLID-STATE NMR ;  OLEFIN METATHESIS ;  MOLYBDENUM OXIDE ;  RAMAN-SPECTROSCOPY ;  MAGNESIUM-OXIDE ;  TUNGSTEN-OXIDE ;  ACTIVE-SITE ;  ALUMINA ;  MO ;  ZEOLITE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000270893600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101945
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, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, Xiujie,Zhang, Weiping,Liu, Shenglin,et al. Promoting effect of Mg in supported Mo/HBeta-Al2O3 catalyst for cross-metathesis of ethene and butene-2 to propene[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2009,313(1-2):38-43.
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