SCI和EI收录∣中国化工学会会刊

›› 2009, Vol. 17 ›› Issue (1): 72-77.

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Kinetics of 2-Methyl-6-acetyl-naphthalene Liquid Phase Catalytic Oxidation

田文玉1, 薛为岚2, 曾作祥2, 邵记2   

  1. 1. Department of Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
    2. Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
  • 收稿日期:2008-04-11 修回日期:2008-10-03 出版日期:2009-01-28 发布日期:2009-01-28
  • 通讯作者: ZENGZuoxiang, E-mail: zengzx@ecust.edu.cn

Kinetics of 2-Methyl-6-acetyl-naphthalene Liquid Phase Catalytic Oxidation

TIAN Wenyu1, XUE Weilan2, ZENG Zuoxiang2, SHAO Ji2   

  1. 1. Department of Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
    2. Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
  • Received:2008-04-11 Revised:2008-10-03 Online:2009-01-28 Published:2009-01-28

摘要: In this paper,a kinetics model for the liquid-phase oxidation of 2-methyl-6-acetyl-naphthalene to 2,6-naphthalene dicarboxylic acid catalyzed by cobalt-manganese-bromide is proposed.The effects of the reaction temperature,catalyst concentration and ratio of catalyst on the time evolution of the experimental concentration for the constituents including raw material,intermediates and product are investigated.The model parameters are determined in a nonlinear optimization,minimizing the difference between the simulated and experimental time evolution of the product composition obtained in a semi-batch oxidation reactor where the gas and liquid phase were well mixed.The kinetics data demonstrate that the model is suitable to the liquid-phase oxidation of 2-methyl-6-acetyl-naphthalene to 2,6-naphthalene dicarboxylic acid.

关键词: 2-methyl-6-acetyl-naphthalene, 2,6-naphthalene dicarboxylic acid, liquid phase catalytic oxidation, kinetics

Abstract: In this paper, a kinetics model for the liquid-phase oxidation of 2-methyl-6-acetyl-naphthalene to 2, 6-naphthalene dicarboxylic acid catalyzed by cobalt-manganese-bromide is proposed.The effects of the reaction temperature, catalyst concentration and ratio of catalyst on the time evolution of the experimental concentration for the constituents including raw material, intermediates and product are investigated.The model parameters are determined in a nonlinear optimization, minimizing the difference between the simulated and experimental time evolution of the product composition obtained in a semi-batch oxidation reactor where the gas and liquid phase were well mixed.The kinetics data demonstrate that the model is suitable to the liquid-phase oxidation of 2-methyl-6-acetyl-naphthalene to 2, 6-naphthalene dicarboxylic acid.

Key words: 2-methyl-6-acetyl-naphthalene, 2,6-naphthalene dicarboxylic acid, liquid phase catalytic oxidation, kinetics