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Highly selective ethylbenzene production through alkylation of dilute ethylene with gas phase-liquid phase benzene and transalkylation feed
Liu, Shenglin1; Chen, Fucun1; Xie, Sujuan1; Zeng, Peng2; Due, Xiyan2; Xu, Longya1; Xu LY(徐龙伢)
关键词Dilute Ethylene Gas Phase-liquid Phase Benzene Alkylation Ethylbenzene
刊名JOURNAL OF NATURAL GAS CHEMISTRY
2009-03-01
ISSN1003-9953
DOI10.1016/S1003-9953(08)60071-7
18期:1页:21-24
收录类别SCI
文章类型Article
部门归属8
项目归属804
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
英文摘要A novel industrial process was designed for the highly selective production of ethylbenzene. It comprised of a reactor vessel, vapor phase ethylene feed stream, benzene and transalkylation feed stream. Especially the product stream containing ethylbenzene was used to heat the reactor vessel, which consisted of an alkylation section, an upper heat exchange section, and a bottom heat exchange section. In such a novel reactor, vapor phase benzene and liquid phase benzene were coexisted due to the heat produced by isothermal reaction between the upper heat exchange section and the bottom heat exchange section. The process was demonstrated by the thermodynamic analysis and experimental results. In fact, during the 1010 hour-life-test of gas phase ethene with gas phase-liquid phase benzene alkylation reaction, the. ethene conversion was above 95%, and the ethylbenzene selectivity was above 83% (only benzene feed) and even higher than 99% (benzene plus transalkylation feed). At the same time, the xylene content in the ethylbenzene was less than 100 ppm when the reaction was carried out under the reaction conditions of 140-185 degrees C of temperature, 1.6-2.1 MPa of pressure, 3.0-5.5 of benzene/ethylene mole ratio, 4-6 v% of transalkylation feed/(benzene+transalkylation feed), 0.19-0.27 h(-1) of ethene space velocity, and 1000 g of 3998 catalyst loaded. Thus.. compared with the conventional ethylbenzene synthesis route, the transalkylation reactor could be omitted in this novel industrial process.
语种英语
原文出处查看原文
WOS记录号WOS:000265250700004
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/101625
专题中国科学院大连化学物理研究所
通讯作者Xu LY(徐龙伢)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Fushun Co, China Petr Engn Co Ltd, Fushun 113006, Liaoning, Peoples R China
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GB/T 7714
Liu, Shenglin,Chen, Fucun,Xie, Sujuan,et al. Highly selective ethylbenzene production through alkylation of dilute ethylene with gas phase-liquid phase benzene and transalkylation feed[J]. JOURNAL OF NATURAL GAS CHEMISTRY,2009,18(1):21-24.
APA Liu, Shenglin.,Chen, Fucun.,Xie, Sujuan.,Zeng, Peng.,Due, Xiyan.,...&徐龙伢.(2009).Highly selective ethylbenzene production through alkylation of dilute ethylene with gas phase-liquid phase benzene and transalkylation feed.JOURNAL OF NATURAL GAS CHEMISTRY,18(1),21-24.
MLA Liu, Shenglin,et al."Highly selective ethylbenzene production through alkylation of dilute ethylene with gas phase-liquid phase benzene and transalkylation feed".JOURNAL OF NATURAL GAS CHEMISTRY 18.1(2009):21-24.
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