Conversion of methanol over H-ZSM-22: The reaction mechanism and deactivation

	Conversion of methanol over H-ZSM-22: The reaction mechanism and deactivation
	Li, Jinzhe; Wei, Yingxu; Qi, Yue; Tian, Peng; Li, Bing; He, Yanli; Chang, Fuxiang; Sun, Xinde; Liu, Zhongmin
刊名	catalysis today
	2011-04-30
卷号	164 期号:1 页码:288-292
关键词	ZSM-22 Methanol Methylation Propene Ethene MTO
ISSN号	待补充
通讯作者	刘中民
产权排序	1,1
中文摘要	conversion of methanol over h-zsm-22: the reaction mechanism and deactivation
英文摘要	conversion of methanol to olefins (mto) over h-zsm-22 was carried out in the pulse and the continuous-flow reaction systems. (13)c labeling technique was used to reveal the reaction mechanism. the materials retained in the deactivated catalyst were detected by gc-ms after dissolving the catalyst framework and then extracting the organic species. the adsorption of these materials in zsm-22 channels was computationally modeled. the results showed that the olefin methylation-cracking mechanism is the main route for the conversion of methanol over h-zsm-22. it was suggested that the blockage of the zeolite pore openings by the coke species might be the reason of the relatively rapid deactivation of h-zsm-22, instead of the prohibition of the formation of large transition-state intermediates involved in hydrocarbon pool mechanism. (c) 2010 elsevier b. v. all rights reserved.
学科主题	物理化学
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]	to-hydrocarbons reaction ; catalyzed methylation reactions ; acidic zeolite catalysts ; co-reaction ; olefin conversion ; mto reaction ; sapo-34 ; ethene ; cavities ; propene
收录类别	SCI ; ISTP
语种	英语
WOS记录号	WOS:000289716300051
公开日期	2012-07-09
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/115837]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
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,Qi, Yue,et al. Conversion of methanol over H-ZSM-22: The reaction mechanism and deactivation[J]. catalysis today,2011,164(1):288-292.
APA	Li, Jinzhe.,Wei, Yingxu.,Qi, Yue.,Tian, Peng.,Li, Bing.,...&Liu, Zhongmin.(2011).Conversion of methanol over H-ZSM-22: The reaction mechanism and deactivation.catalysis today,164(1),288-292.
MLA	Li, Jinzhe,et al."Conversion of methanol over H-ZSM-22: The reaction mechanism and deactivation".catalysis today 164.1(2011):288-292.