Simulation of an inert membrane reactor for the oxidative dehydrogenation of butane

被引：41

作者：

Téllez, C ^{[1
]}

Menéndez, M ^{[1
]}

Santamaría, J ^{[1
]}

机构：

[1] Univ Zaragoza, Dept Chem & Environm Engn, E-50009 Zaragoza, Spain

来源：

CHEMICAL ENGINEERING SCIENCE | 1999年 / 54卷 / 13-14期

关键词：

butane oxydehydrogenation; membrane reactors; oxygen distribution;

D O I：

10.1016/S0009-2509(98)00297-8

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A model is presented for the simulation of an inert membrane reactor far the oxidative dehydrogenation of butane over V/MgO catalysts. For the first time, the simulation includes the effect of oxygen distribution through the membrane on the state of the catalyst, by means of kinetic parameters that relate the activities of selective and non-selective sites on the catalyst surface. This allows to explain the differences observed experimentally in the conversion-selectivity behaviour of fixed beds and inert membrane reactors. The beneficial effect of oxygen distribution to improve reactor safety acid operability is also examined. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：2917 / 2925

页数：9

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