Simulation and Optimization in the Process of Toluene Liquid-phase Catalytic Oxidation

张玉坤; 李初福; 何小荣; 陈丙珍

doi:10.1016/S1004-9541(08)60032-4

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Simulation and Optimization in the Process of Toluene Liquid-phase Catalytic Oxidation

评述 | Updated：2026-01-06

- Simulation and Optimization in the Process of Toluene Liquid-phase Catalytic Oxidation
- Chinese Journal of Chemical Engineering Vol. 16, Issue 1, Pages: 36-38(2008)
- Affiliations：
  
  Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60032-4
  CLC：
- Published：2008
- Accepted：
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ZHANG Yukun, LI Chufu, HE Xiaorong, CHEN Bingzhen. Simulation and Optimization in the Process of Toluene Liquid-phase Catalytic Oxidation[J]. Chin.J.Chem.Eng., 2008, 16(1): 36-38.
DOI：

ZHANG Yukun, LI Chufu, HE Xiaorong, CHEN Bingzhen. Simulation and Optimization in the Process of Toluene Liquid-phase Catalytic Oxidation[J]. Chin.J.Chem.Eng., 2008, 16(1): 36-38. DOI： 10.1016/S1004-9541(08)60032-4.

摘要

Abstract

Liquid-phase oxidation of toluene with air has become the main technology for producing benzoic acid in a reactor at present. Based on the kinetic model of the toluene oxidation process obtained from laboratory and mass balance of key component

a novel model is established to simulate the industrial toluene oxidation process

in which the effects of benzaldehyde and benzyl alcohol are considered and the kinetic parameters are revised by industrial data. The simulation results show that the error of benzoic acid yield is within 3.5%. Based on the simulation model

to maximize the benzoic acid yield

an optimization model is proposed to optimize the operating parameters

including toluene feed-in mass flux and temperature. The optimization result indicates that on the allow-able operating conditions

the maximum benzoic acid yield obtained with the reaction temperature at 167.2℃ and the mass flux at 104.1 t·h

-1

is greater than the current one

which can be used to guide industrial reactor’s operation.

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