Mechanism and kinetics of esterification of adipic acid and ethylene glycol by tetrabutyl titanate catalyst

Liwei Chen; Jumei Xu; Weilan Xue; Zuoxiang Zeng†

Korean Journal of Chemical Engineering, Vol.35, No.1, 82-88, January, 2018

DOI10.1007/s11814-017-0276-x Export Citation

Mechanism and kinetics of esterification of adipic acid and ethylene glycol by tetrabutyl titanate catalyst

Liwei Chen, Jumei Xu, Weilan Xue^†, and Zuoxiang Zeng†^†

Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China

E-mail:,

An eight-step mechanism of esterification reaction between adipic acid (AA) and ethylene glycol (EG) catalyzed by tetrabutyl titanate [Ti(OBu)4] was studied in detail. The kinetic data for the esterification reaction between AA and EG catalyzed by tetrabutyl titanate [Ti(OBu)4] were measured in the temperature range of 403 K-433 K. A second- order kinetic model was established, and the model parameters were obtained through an optimization procedure by minimizing the value differences between the simulated component concentrations in the reaction system with the experimental ones. The results demonstrate that the model is suitable for the esterification reaction between AA and EG catalyzed by tetrabutyl titanate [Ti(OBu)4]. Furthermore, the esterification reaction rate increases with the increase of reaction temperature, concentration of catalyst and the initial reactant ratio of EG to AA.

Keywords:Mechanism;Kinetics;Esterification;Adipic Acid;Ethylene Glycol

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[2] Chen XD, Zhou NQ, Zhang H, J. Biomed. Sci. Eng., 2, 245 (2009)

[3] Chen SA, Hsiao JC, J. Polym. Sci., 19(12), 3123 (1981)

[4] Varma MN, Madras G, J. Chem. Technol. Biotechnol., 83(8), 1135 (2008)

[5] Cardoso AL, Augusti R, Silva MJ, J. Chem. Technol. Biotechnol., 85(6), 555 (2008)

[6] Kulkarni MG, Sawan SB, J. Am. Oil Chem. Soc., 80(10), 1033 (2003)

[7] Ali SH, Merchant SQ, Int. J. Chem. Kinet., 38, 593 (2006)

[8] Yang JI, Cho SH, Kim HJ, Joo H, Jung H, Lee KY, Can. J. Chem. Eng., 85(1), 83 (2007)

[9] Wijayanti H, Duangchan A, Can. J. Chem. Eng., 94(1), 81 (2016)

[10] Patil SL, Kapadi UR, Int. J. Chem. Kinet., 46, 138 (2014)

[11] Chang WL, Karalis T, J. Polym. Sci. A: Polym. Chem., 31, 493 (1993)

[12] Nicklin S, Robson MW, Appl. Organomet. Chem., 2, 487 (1988)

[13] Otton J, Ratton S, Vasnev VA, J. Polym. Sci. A: Polym. Chem., 26(12), 2124 (1988)

[14] Grzesik M, Skrzypek J, Gumula T, React. Kinet. Catal. Lett., 71(1), 13 (2000)

[15] Prabhakarn A, Fereiro JA, Subrahmanyam CS, Korean J. Chem. Eng., 51, 14 (2011)

[16] Tian WY, Zeng ZX, Xue WL, Li YB, Zhang TY, Chin. J. Chem. Eng., 18(3), 391 (2010)

[17] Pilati F, Manaresi P, Fortunato B, Munari A, Polymer, 22, 1566 (1981)

[18] Pilati F, Manaresi P, Fortunato B, Munari A, Polymer, 24, 1479 (1983)

[19] Elliott L, Ingham DB, Kyne AG, Mera NS, Pourkashanian M, Wilson CW, Prog. Energy Combust. Sci., 30(3), 297 (2004)

[20] Kim JY, Kim HY, Yeo YK, Korean J. Chem. Eng., 18(4), 432 (2001)

[21] Kuo CT, Chen SA, J. Polymer. Sci, 27(8), 2793 (1989)