Complete kinetic model for esterification reaction of lauric acid with glycerol to synthesize glycerol monolaurate

Han-Qiao Hu; Yue Zhang; Ming Fan; Yong Cai; Guang-Wen Chu; Liang-Liang Zhang

doi:10.1016/j.cjche.2024.03.013

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Complete kinetic model for esterification reaction of lauric acid with glycerol to synthesize glycerol monolaurate

Updated：2026-01-06

- Complete kinetic model for esterification reaction of lauric acid with glycerol to synthesize glycerol monolaurate
- Chinese Journal of Chemical Engineering Vol. 70, Issue 6, Pages: 211-221(2024)
- Affiliations：
  
  1. Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology,Beijing,China,100029
  2. Petrochemical Research Institute, China National Petroleum Corporation,Beijing,China,102206
  3. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2024.03.013
  CLC：
- Published：2024
- Accepted：
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Han-Qiao Hu, Yue Zhang, Ming Fan, Yong Cai, Guang-Wen Chu, Liang-Liang Zhang. Complete kinetic model for esterification reaction of lauric acid with glycerol to synthesize glycerol monolaurate[J]. Chinese Journal of Chemical Engineering, 2024, 70(6): 211-221.
DOI：

Han-Qiao Hu, Yue Zhang, Ming Fan, Yong Cai, Guang-Wen Chu, Liang-Liang Zhang. Complete kinetic model for esterification reaction of lauric acid with glycerol to synthesize glycerol monolaurate[J]. Chinese Journal of Chemical Engineering, 2024, 70(6): 211-221. DOI： 10.1016/j.cjche.2024.03.013.

摘要

Glycerol monolaurate (GML) is a widely used industrial chemical with excellent emulsification and antibacterial effect. The direct esterification of glycerol with lauric acid is the main method to synthesize GML. In this work

the kinetic process of direct esterification was systematically studied using

-toluenesulfonic acid as

catalyst. A complete kinetic model of consecutive esterification reaction has been established

and the kinetic equation of acid catalysis was deduced. The isomerization reactions of GML and glycerol dilaurate were investigated. It was found that the reaction was an equilibrium reaction and the reaction rate was faster than the esterification reaction. The kinetic equations of the consecutive esterification reaction were obtained by experiments as

= (276+92261

cat

)exp(-37720/

) and

= (80 +4413

cat

)exp(-32240/

). The kinetic results are beneficial to the optimization of operating conditions and reactor design in GML production process.

Abstract

the kinetic process of direct esterification was systematically studied using

-toluenesulfonic acid as catalyst. A complete kinetic model of consecutive esterification reaction has been established

= (276+92261

cat

)exp(-37720/

) and

= (80 +4413

cat

)exp(-32240/

). The kinetic results are beneficial to the optimization of operating conditions and reactor design in GML production process.

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