Selective synthesis of ethylbenzene by alkylation of benzene with diethyl carbonate over MCM-22 modified by MgO

被引：0
作者：
Bing Xue
Yongxin Li
Shujun Wang
Hongyan Liu
Chongfu Xu
机构：
[1] China University of Petroleum,State Key Laboratory of Heavy Oil Processing
[2] Jiangsu Polytechnic University,Department of Chemical Engineering
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2010年 / 100卷
关键词：
Benzene; Alkylation; Ethylbenzene; MCM-22; MgO;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Selective synthesis of ethylbenzene by vapor phase alkylation of benzene with diethyl carbonate was carried out over MCM-22 modified by MgO. Characterization results show that the number of Brønsted acid sites on MCM-22 decreased significantly after MgO modification, which resulted in a decrease in activity. The selectivity for ethylbenzene was improved greatly over MCM-22 modified by MgO, which can be attributed to the effective suppression of subsequent alkylation of ethylbenzene by the reduction in Brønsted acid sites.
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页码：417 / 425
页数：8
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