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学科主题物理化学
Comparative study of MTO conversion over SAPO-34, H-ZSM-5 and H-ZSM-22: Correlating catalytic performance and reaction mechanism to zeolite topology
Li, Jinzhe; Wei, Yingxu; Liu, Guangyu; Qi, Yue; Tian, Peng; Li, Bing; He, Yanli; Liu, Zhongmin; Liu ZM(刘中民)
关键词Zsm-22 Methanol Ethene Propene Mto
刊名CATALYSIS TODAY
2011-08-10
ISSN待补充
DOI10.1016/j.cattod.2011.02.027
171期:1页:221-228
收录类别SCI
文章类型Article
部门归属DNL12
项目归属DNL12
产权排名1,1
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
关键词[WOS]METHANOL-TO-HYDROCARBONS ; CO-REACTION ; OLEFIN CONVERSION ; METHYLATION REACTIONS ; LIGHT OLEFINS ; ETHENE ; CRYSTALLIZATION ; DIETHYLAMINE ; DEACTIVATION ; CHEMISTRY
英文摘要Comparative study of MTO conversion over SAPO-34, H-ZSM-5 and H-ZSM-22: Correlating catalytic performance and reaction mechanism to zeolite topology; Conversion of methanol to olefins (MTO) was comparatively studied over three zeolites with different topologies, i.e. SAPO-34, H-ZSM-5 and H-ZSM-22. The correlation between reaction mechanism and the zeolite topology was also investigated. SAPO-34 presented the highest selectivity for light olefins such as ethene and propene, and no aromatics were detected. H-ZSM-5 showed relatively high selectivity for ethene and propene, and large amount of aromatics were detected. Over H-ZSM-22, the selectivity for ethene is very low and a large amount of non-aromatic C(6)(+) olefins generated. With the aid of (12)C-methanol/(13)C-methanol switch technique, the reaction routes followed by methanol conversion over the three catalysts could be distinguished. The reaction mechanisms, which varied with the zeolite topologies, caused the differences in catalytic performances. The co-reaction of (13)C-methanol with (12)C-olefin or (12)C-aromatic, were carried out for further clarification of the operation of the different catalytic cycles in methanol conversion. (C) 2011 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000293276700029
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115833
专题中国科学院大连化学物理研究所
通讯作者Liu ZM(刘中民)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Li, Jinzhe,Wei, Yingxu,Liu, Guangyu,et al. Comparative study of MTO conversion over SAPO-34, H-ZSM-5 and H-ZSM-22: Correlating catalytic performance and reaction mechanism to zeolite topology[J]. CATALYSIS TODAY,2011,171(1):221-228.
APA Li, Jinzhe.,Wei, Yingxu.,Liu, Guangyu.,Qi, Yue.,Tian, Peng.,...&刘中民.(2011).Comparative study of MTO conversion over SAPO-34, H-ZSM-5 and H-ZSM-22: Correlating catalytic performance and reaction mechanism to zeolite topology.CATALYSIS TODAY,171(1),221-228.
MLA Li, Jinzhe,et al."Comparative study of MTO conversion over SAPO-34, H-ZSM-5 and H-ZSM-22: Correlating catalytic performance and reaction mechanism to zeolite topology".CATALYSIS TODAY 171.1(2011):221-228.
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