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题名: New route for light olefins production from chloromethane over HSAPO-34 molecular sieve
作者: Wei, YX;  Zhang, DZ;  Xu, L;  Liu, ZM;  Su, BL
通讯作者: 刘中民
关键词: chloromethane ;  light olefins ;  hydrocarbons ;  HSAPO-34 ;  FTIR ;  catalytic tests ;  reaction mechanism
刊名: CATALYSIS TODAY
发表日期: 2005-10-15
DOI: 10.1016/j.cattod.2005.07.142
卷: 106, 期:1-4, 页:84-89
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 8
项目归属: 803
产权排名: 2;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: HSAPO-34 molecular sieve was employed in chloromethane conversion and showed high performance in activity and selectivity in production of light olefins. Our detailed IR investigation allowed the identification of the active sites and the adsorbed species and demonstrated that the conversion started from 350 degrees C with alkoxy group as the intermediate. The fixed-bed catalytic testing evidenced that in the range of 350-500 degrees C, 70-80% of chloromethane was transferred to ethylene, propylene and butenes. Increasing reaction temperature favors the conversion and enhances the yield of lighter olefins. A very important reversible phenomenon, the breaking of Al-O-P bonds upon adsorption of HCl, a main product of reaction to generate a large amount of P-OH groups and the recovery of Al-O-P upon removal of HCI was revealed. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: CATALYTIC CONVERSION ;  HIGHER HYDROCARBONS ;  SAPO-34 CATALYST ;  ACID CATALYST ;  ZEOLITES ;  METHANOL ;  ADSORPTION ;  TEMPLATE ;  ZSM-5 ;  SITES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000232507800014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93119
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.Univ Namur, FUNDP, ISIS, Lab Chim Mat Inorgan,CMI, B-5000 Namur, Belgium
2.Chinese Acad Sci, Dalian Inst Chem Phys, Nat Gas Utilizat & Appl Catalysis Lab, Dalian 116023, Peoples R China

Recommended Citation:
Wei, YX,Zhang, DZ,Xu, L,et al. New route for light olefins production from chloromethane over HSAPO-34 molecular sieve[J]. CATALYSIS TODAY,2005,106(1-4):84-89.
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