Alkylation of Isobutane by 1-Butene over H-beta Zeolite in CSTR (Part 2) Deactivation Mechanism of Zeolite Catalyst and Optimization of CSTR Conditions

被引：5
|
作者：
Sekine, Yasushi [1 ]
Tajima, Yu-ichi [1 ]
Ichikawa, Yo-suke [1 ]
Matsukata, Masahiko [1 ]
Kikuchi, Eiichi [1 ]
机构：
[1] Waseda Univ, Dept Appl Chem, Sch Adv Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
来源：
JOURNAL OF THE JAPAN PETROLEUM INSTITUTE | 2012年 / 55卷 / 05期
关键词：
Isobutane alkylation; Beta zeolite; Continuously stirred tank reactor; Deactivation; ACID; ACTIVATION; ALKANES; LIQUID; LAX;
D O I：
10.1627/jpi.55.308
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
DGC-H-beta zeolite catalyst has higher activity and selectivity for the alkylation of isobutane with 1-butene in a CSTR. The cause of the deactivation of the catalyst and the optimum reaction conditions were investigated. Deactivation of the catalyst was caused not by adsorbed carbon species but by hydrocarbons formed by multiple alkylation or oligomerization of olefin. Optimized conditions to avoid these reactions achieved stable selective alkylation.
引用
收藏
页码：308 / 318
页数：11
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