Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol

Xiaoda Wang; Wenkai Li; Shiwei Wang; Qinglian Wang; Ling Li; Hongxing Wang; Ting Qiu

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Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol
- Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol
- 中国化学工程学报（英文版） 2021年36卷第8期页码：111-119
- Affiliations：
  
  1. Engineering Research Center of Reactive Distillation, Fujian Province University, School of Chemical Engineering, Fuzhou University,Fuzhou,China,350108
  2. College of Chemical Engineering and Materials Science, Tianjin University of Science & Technology,Tianjin,China,300457
- Author bio：
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- 纸质出版：2021
- Accepted：
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Xiaoda Wang, Wenkai Li, Shiwei Wang, 等. Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol[J]. 中国化学工程学报（英文版）, 2021,36(8):111-119.

Xiaoda Wang, Wenkai Li, Shiwei Wang, Qinglian Wang, Ling Li, Hongxing Wang, Ting Qiu. Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol[J]. Chinese Journal of Chemical Engineering, 2021, 36(8): 111-119.
Xiaoda Wang, Wenkai Li, Shiwei Wang, 等. Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol[J]. 中国化学工程学报（英文版）, 2021,36(8):111-119. DOI：

Xiaoda Wang, Wenkai Li, Shiwei Wang, Qinglian Wang, Ling Li, Hongxing Wang, Ting Qiu. Reaction kinetics for the heterogeneously resin-catalyzed and homogeneously self-catalyzed esterification of thioglycolic acid with 2-ethyl-1-hexanol[J]. Chinese Journal of Chemical Engineering, 2021, 36(8): 111-119. DOI：

摘要

Abstract

Producing 2-ethyl-1-hexyl thioglycolate (ETE)

via

esterification reaction with thioglycolic acid (TGA) aqueous solution as raw material by reactive-separation coupling technology is a promising process intensification method. To choose suitable reactive-separation coupling strategy

the kinetic studies of the esterification of TGA with 2-ethyl-1-hexanol (EHL) were carried out in a batch system. The commercial ion exchange resin was employed as an eco-friendly catalyst. The effects of temperature

catalyst concentration and molar ratio were determined. It was interesting to observe that the equilibrium conversion of TGA increased with the increase of catalyst mass fraction due to the adsorption of product water onto resin surface. The activity-based pseudo-homogeneous (PH)

Eley-Rideal (ER) and Langmuir-Hinshelwood-Hougen-Watson (LHHW) models were used to fit the kinetics data of the resin-catalyzed reaction. The models of ER and LHHW performed better than the PH model. The kinetics of the TGA-self-catalyzed reaction was also determined. An activity-based homogeneous kinetics model could well describe this self-cat

alyzed reaction. These results would be meaningful to the selection and design of an appropriate reaction-separation strategy for the production of ETE

to realize the process intensification.

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