Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene

›› 2009, Vol. 17 ›› Issue (2): 181-188.

• • 下一篇

Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene

成有为¹, 彭革², 王丽军¹, 李希¹

1. Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, China;
2. Chemical Engineering Department, Ningbo University of Technology, Ningbo 315010, China

收稿日期:2008-02-18 修回日期:2008-11-11 出版日期:2009-04-28 发布日期:2009-04-28
通讯作者: WANG Lijun,E-mail:wang_lijun@zju.edu.cn
基金资助:
Supported by the Natural National Science Foundation of China (20080672);the Research Fund for the Doctoral Program of Higher Education of China (200803351111)

Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene

CHENG Youwei¹, PENG Ge², WANG Lijun¹, LI Xi¹

1. Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, China;
2. Chemical Engineering Department, Ningbo University of Technology, Ningbo 315010, China

Received:2008-02-18 Revised:2008-11-11 Online:2009-04-28 Published:2009-04-28
Supported by:
Supported by the Natural National Science Foundation of China (20080672);the Research Fund for the Doctoral Program of Higher Education of China (200803351111)

摘要/Abstract

摘要： 1. Sin-China Nano Technology Center, Key Lab for Nanomaterials, Ministry of Education, Beijing University of Chemical Technology, Beijing 10029, China;
2. Nanomaterials Technology Pte. Ltd., Singapore

关键词: kinetics, burning side reaction, p-xylene oxidation

Abstract: During the liquid-phase oxidation of p-xylene,over-oxidation of reactant,intermediates and solvent to carbon dioxide and carbon monoxide is generally known as the burning side reaction.Batch and semi-continuous experiments were carried out,and the experimental data of the burning side reaction were analyzed and reported in this paper.The results showed that the rates of burning side reactions were proportional to the rates of the main reaction,but decreased with the increasing concentrations of reactant and intermediates.The inter-stimulative and competitive relationship between the burning side reaction and the main reaction was confirmed,and the rates of the burning side reaction could be described with some key indexes of the main reaction.According to the mechanism of the side reactions and the kinetics model of main reaction which were proposed and tested in the previous papers,a kinetic model of the burning side reactions involving some key indexes of the main reaction was developed,and the parameters were determined by data fitting of the COx rate curves.The obtained kinetic model could describe the burning side reactions adequately.

Key words: kinetics, burning side reaction, p-xylene oxidation

成有为, 彭革, 王丽军, 李希. Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene[J]. , 2009, 17(2): 181-188.

CHENG Youwei, PENG Ge, WANG Lijun, LI Xi. Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene[J]. , 2009, 17(2): 181-188.

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Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene

Kinetics of Burning Side Reaction in the Liquid-phase Oxidation of p-Xylene

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