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题名: Metathesis of butylene-2 and ethylene to propylene over 3.0Mo/(H beta+gamma-Al2O3) catalysts with different gamma-Al2O3 contents
作者: Liu, SL;  Huang, SJ;  Xin, WJ;  Bai, J;  Xie, SJ;  Xu, LY
关键词: butylene-2 ;  ethylene ;  propylene ;  metathesis ;  Mo-impregnated (H beta plus gamma-Al2O3) catalyst ;  gamma-Al2O3 content ;  TPR/TPD/XRD characterization
刊名: CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
发表日期: 2005-03-01
卷: 21, 期:2, 页:213-216
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: A series of 3.0Mo/(H beta+gamma-Al2O3) samples with gamma-Al2O3 contents in the range of 0-100% (mass fraction) was studied by means of XRD, NH3-TPD, TPR and BET determinations for characterizing their structures. The H beta zeolite structure in the 3.0Mo/H beta sample can be effectively stabilized by adding some gamma-Al2O3 to H beta zeolite. gamma-Al2O3 mainly favors the formation of polymolybdate or multilayered Mo oxide, while H beta mainly forms the Al-2 (MoO4)(3) species, as evaluated by the TPR, technique. When used as the catalyst for the metathesis of butylene-2 and ethylene to propylene, there exists a close correlation between the specific surface area and stability of the catalyst. The specific surface area of the catalyst shows the maximum when (H beta+gamma-Al2O3) contains 30%gamma-Al2O3, which is in agreement with that of the time needed for the reaction stablization. In the case of maximum surface area, the rate of coke deposition is the minimum.
关键词[WOS]: TEMPERATURE-PROGRAMMED REDUCTION
语种: 英语
WOS记录号: WOS:000228263400022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139739
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, Lab Nat Gas Utilizat & Appl Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, SL,Huang, SJ,Xin, WJ,et al. Metathesis of butylene-2 and ethylene to propylene over 3.0Mo/(H beta+gamma-Al2O3) catalysts with different gamma-Al2O3 contents[J]. CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,2005,21(2):213-216.
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