Determination of kinetic expressions from the frequency response of a catalytic reactor - theoretical and experimental investigations

被引：0

作者：

Garayhi, AR ^{[1
]}

Keil, FJ ^{[1
]}

机构：

[1] Tech Univ Hamburg Harburg, Dept Chem Engn, D-21071 Hamburg, Germany

来源：

CHEMICAL ENGINEERING SCIENCE | 2001年 / 56卷 / 04期

关键词：

D O I：

10.1016/S0009-2509(00)00354-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A new technique is presented for the investigation of non-stationary reaction systems. Reliable quantitative information is obtained for the description of non-stationary operation. A detailed description of the reaction mechanism is possible and different mechanisms with the same steady-state behavior can be discriminated. Two models for the evaluation are presented, an analytical expression for a fast parameter determination and a rigorous approach for the determination of the elementary kinetic expressions. The new technique is used for the investigation of the total combustion of diluted methane on a Pd-support catalyst. A Langmuir-Hinshelwood mechanism was found, a Eley-Rideal mechanism could be excluded. The detailed chemical mechanism is presented and kinetic constants for the elementary steps are determined. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：1317 / 1325

页数：9

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