The role of acid strength of zeolites in liquid-phase alkylation of benzene with ethylene

被引：26
|
作者：
Sun, XD [1 ]
Wang, QX [1 ]
Xu, LY [1 ]
Liu, SL [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
来源：
CATALYSIS LETTERS | 2004年 / 94卷 / 1-2期
关键词：
alkylation; ethylbenzene; zeolite beta; MCM-22; USY; acid strength;
D O I：
10.1023/B:CATL.0000019334.10713.63
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The role of acid strength of zeolites in liquid-phase alkylation of benzene with ethylene was studied over beta, MCM-22, and USY zeolites by means of adsorbing NH3 at different temperatures. The strong acid sites are active centers, while the weak acid sites are inactive. The selectivity behavior of the strong acid sites varies with the relative acid strength as well as the types of the zeolites.
引用
收藏
页码：75 / 79
页数：5
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