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Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene; Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene
Xu, LY; Liu, JX; Wang, QX; Liu, SL; Xin, WJ; Xu, YD
KeywordZsm-5/zsm-11 Co-crystallized Zeolite Zsm-5/zsm-11 Co-crystallized Zeolite Benzene Alkylation Benzene Alkylation Ethylbenzene Ethylbenzene Coking Kinetics Coking Kinetics
Source PublicationAPPLIED CATALYSIS A-GENERAL ; APPLIED CATALYSIS A-GENERAL
2004-02-10 ; 2004-02-10
DOI10.1016/j.apcata.2003.08.008 ; 10.1016/j.apcata.2003.08.008
Volume258Issue:1Pages:47-53
Indexed BySCI ; SCI
SubtypeArticle ; Article
Funding Project804, 501 ; 804, 501
Contribution Rank1;1 ; 1;1
WOS HeadingsScience & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences ; Life Sciences & Biomedicine ; Life Sciences & Biomedicine
WOS SubjectChemistry, Physical ; Chemistry, Physical ; Environmental Sciences ; Environmental Sciences
WOS Research AreaChemistry ; Chemistry ; Environmental Sciences & Ecology ; Environmental Sciences & Ecology
WOS KeywordBETA ; BETA
AbstractThe 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.; 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.
Language英语 ; 英语
URL查看原文 ; 查看原文
WOS IDWOS:000188968200006 ; WOS:000188968200006
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/80965
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Xu, LY,Liu, JX,Wang, QX,et al. Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene, Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene[J]. APPLIED CATALYSIS A-GENERAL, APPLIED CATALYSIS A-GENERAL,2004, 2004,258, 258(1):47-53, 47-53.
APA Xu, LY,Liu, JX,Wang, QX,Liu, SL,Xin, WJ,&Xu, YD.(2004).Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene.APPLIED CATALYSIS A-GENERAL,258(1),47-53.
MLA Xu, LY,et al."Coking kinetics on the catalyst during alkylation of fcc off-gas with benzene to ethylbenzene".APPLIED CATALYSIS A-GENERAL 258.1(2004):47-53.
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