Xylene Isomerization in a ZSM-5/SS Membrane Reactor

被引：0
|
作者：
Ana M. Tarditi
G. I. Horowitz
E. A. Lombardo
机构：
[1] Instituto de Investigaciones en Catálisis y Petroquímica (FIQ,
[2] UNL-CONICET),undefined
[3] Repsol-YPF,undefined
来源：
Catalysis Letters | 2008年 / 123卷
关键词：
Xylene isomerization; Membrane reactor; Zeolite membrane;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A membrane reactor containing different types of ZSM-5/porous SS membranes was used to perform the xylene isomerization reaction. The parent Na-ZSM-5 layer was synthesized by secondary growth on top of porous stainless steel tubes. The xylene isomerization reaction was carried out at different temperatures in the membrane reactor and in a fixed-bed reactor of identical geometry for comparison. Two different kinds of membranes were prepared by ion exchange: a Pt/H-ZSM-5 catalytic membrane and two Ba-ZSM-5 composites with different Ba2+ concentration. The p-xylene production using 100% exchanged Ba-membrane was about 28% higher than the fixed-bed reactor at 370 °C, when m-xylene was fed.
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页码：7 / 15
页数：8
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