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

›› 2009, Vol. 17 ›› Issue (1): 72-77.

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. 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. 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/Abstract

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

田文玉, 薛为岚, 曾作祥, 邵记. Kinetics of 2-Methyl-6-acetyl-naphthalene Liquid Phase Catalytic Oxidation[J]. , 2009, 17(1): 72-77.

TIAN Wenyu, XUE Weilan, ZENG Zuoxiang, SHAO Ji. Kinetics of 2-Methyl-6-acetyl-naphthalene Liquid Phase Catalytic Oxidation[J]. , 2009, 17(1): 72-77.

参考文献

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2 Shao, J., Zeng, Z.X., Xue, W.L., Wu, C., “Experimental measurement and correlation of the solubility of methyl-acetyl-naphthalene in n-heptane, n-octane and n-dodecane”, Chin. J. Chem. Eng., 14 (6),780-783 (2006).
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12 Kamiya, Y., “Formation of 2,6-naphthalenedicarboxylic acid by the Co-Mn-Br catalyzed autoxidation of 2,6-diethylnaphthalene in acetic acid”, Bull. Chem. Soc. Japan, 68 (1), 204-210 (1995).
13 Xia, Q., “The trend of the production of 2,6-naphthalene dicarboxylic acid by Co-Mn-Br catalytic oxidation of 2,6-dialkyl naphthalene”, J. Chem. Ind. Eng. (China), 11 (4), 27-33 (1997). (in Chinese)
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16 Walt, P., Catalysis of Organic Reactions, Chapter 20, Marcel Dekker, New York (1990).

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

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

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