Application of Brönsted acid ionic liquids as green catalyst in the synthesis of 2-propanol with reactive distillation

Jinbei Yang; Dongren Cai; Ting Zeng; Lihua Zhou; Ling Li; Ruoyu Hong; Ting Qiu

doi:10.1016/j.cjche.2016.04.025

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Application of Brönsted acid ionic liquids as green catalyst in the synthesis of 2-propanol with reactive distillation

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Application of Brönsted acid ionic liquids as green catalyst in the synthesis of 2-propanol with reactive distillation
- Chinese Journal of Chemical Engineering Vol. 24, Issue 11, Pages: 1561-1569(2016)
- Affiliations：
  
  2 School of Ocean Science and Biochemistry Engineering, Fuqing Branch of Fujian Normal University,Fujian,Fuzhou,China,350300
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.04.025
  CLC：
- Published：2016
- Accepted：
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Jinbei Yang, Dongren Cai, Ting Zeng, Lihua Zhou, Ling Li, Ruoyu Hong, Ting Qiu. Application of Brönsted acid ionic liquids as green catalyst in the synthesis of 2-propanol with reactive distillation[J]. Chin.J.Chem.Eng., 2016, 24(11): 1561-1569.
DOI：

Jinbei Yang, Dongren Cai, Ting Zeng, Lihua Zhou, Ling Li, Ruoyu Hong, Ting Qiu. Application of Brönsted acid ionic liquids as green catalyst in the synthesis of 2-propanol with reactive distillation[J]. Chin.J.Chem.Eng., 2016, 24(11): 1561-1569. DOI： 10.1016/j.cjche.2016.04.025.

摘要

Abstract

Five Brönsted acidic ionic liquids (ILs)were prepared and characterized by FT-IR

H NMR and

CNMR. Their catalytic activities for the synthesis of 2-propanol (IPOH) via transesterification of isopropyl acetate (IPAc) with methanol (MeOH) were investigated. Among all the tested ILs

[Ps-mim

]

HSO

performed best and was used as catalyst for further studies. The reaction kinetics were carried out to correlate the parameters in a homogeneous second order kinetic model. It has been found that there is close agreement between the calculated and experimental values. The high-pressure batch reactive distillation experimental apparatus was set up in order to enhance the conversion of IPAc. A high conversion of IPAc of 99.4% was obtained under the optimal reaction conditions. The catalyst[Ps-mim

]

HSO

can be recycled easily by a rotary evaporator and reusedwithout any further treatment. The catalyst had been repeatedly used for four times and no obvious changes in the structure of catalyst could be observed.

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