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题名: Mechanistic elucidation of chloromethane transformation over SAPO-34 using deuterated probe molecule: A FTIR study on the surface evolution of catalyst
作者: Wei, Yingxu;  Zhang, Dazhi;  Liu, Zhongmin;  Su, Bao-Lian
通讯作者: 刘中民
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2007-08-17
DOI: 10.1016/j.cplett.2007.07.019
卷: 444, 期:1-3, 页:197-201
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 803
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: Adsorption and transformation of chloromethane over SAPO-34 catalyst were studied using deuterated CD3Cl as probe by in situ FTIR spectroscopy and compared with CH3Cl. The detection of the deuterated hydroxyls Si(OD)Al indicated the existence of the H and D exchange reaction due to the interaction of Si(OH)Al and DCI molecules produced by CD3Cl conversion. The reversible breaking of Al-O-P bonds as a result of the interaction of Al-O-P with the produced DCI molecules has been clearly evidenced by the observation of P-OD and P-OD-Al species. Increasing CD3Cl loading favors C=C generation and higher hydrocarbons formation. A possible surface species evolution and formation during CD3Cl transformation over SAPO-34 catalyst is proposed. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: LIGHT OLEFINS ;  HIGHER HYDROCARBONS ;  ACID CATALYST ;  CONVERSION ;  HSAPO-34 ;  METHANOL ;  SITES ;  ZEOLITES ;  ZSM-5 ;  MODES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000249115400036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98751
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, Appl Catal Lab, Dalian 116023, Peoples R China
2.Univ Namur, FUNDP, Lab Chim Mat Inorgan, B-5000 Namur, Belgium

Recommended Citation:
Wei, Yingxu,Zhang, Dazhi,Liu, Zhongmin,et al. Mechanistic elucidation of chloromethane transformation over SAPO-34 using deuterated probe molecule: A FTIR study on the surface evolution of catalyst[J]. CHEMICAL PHYSICS LETTERS,2007,444(1-3):197-201.
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