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题名: Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene
作者: Xu, LY;  Liu, JX;  Wang, QX;  Liu, SL;  Xin, WJ;  Xu, YD
关键词: ZSM-5/ZSM-11 co-crystallized zeolite ;  benzene alkylation ;  ethylbenzene ;  coking kinetics
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2004-02-10
DOI: 10.1016/j.apcata.2003.08.008
卷: 258, 期:1, 页:47-53
收录类别: SCI
文章类型: Article
项目归属: 804, 501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: The production of ethylbenzene from the alkylation of dilute ethylene in fee off-gases with benzene has been commercialized in China over a newly developed catalyst composed of ZSM-5/ZSM-11 co-crystallized zeolite. The duration of an operation cycle of the commercial catalyst could be as long as 180 days. The conversion of ethylene could attain higher than 95%, while the amount of coke deposited on the catalyst was only about 10 wt.%. Thermogravimetry (TG) was used to study the coking behavior of the catalyst during the alkylation of fee off-gas with benzene to ethylbenzene. Based on effects of reaction time, reaction temperature, reactants and products on coking during the alkylation process, it is found that the coking rate during the alkylation procedure follows the order: ethylbenzene > ethylene > propylene > benzene for single component, and benzene-ethylene > benzene-propylene for bi-components under the same reaction condition. Furthermore, the coking kinetic equations for benzene-ethylene, benzene-propylene and ethylbenzene were established. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: BETA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000188968200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/80965
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, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Xu, LY,Liu, JX,Wang, QX,et al. Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene[J]. APPLIED CATALYSIS A-GENERAL,2004,258(1):47-53.
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