An Efficient and Stable Ionic Liquid System for Synthesis of Ethylene Glycol via Hydrolysis of Ethylene Carbonate

孟震英; 孙剑; 王金泉; 张建新; 付增增; 成卫国; 张香平

doi:10.1016/S1004-9541(09)60154-3

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An Efficient and Stable Ionic Liquid System for Synthesis of Ethylene Glycol via Hydrolysis of Ethylene Carbonate

Updated：2026-01-06

- An Efficient and Stable Ionic Liquid System for Synthesis of Ethylene Glycol via Hydrolysis of Ethylene Carbonate
- Chinese Journal of Chemical Engineering Vol. 18, Issue 6, Pages: 962-966(2010)
- Affiliations：
  
  1. State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. Graduate University of Chinese Academy of Sciences,Beijing,China,100049
  3. College of Chemistry and Chemical Engineering, Henan University,Kaifeng,China,475001
  4. School of Chemical and Environmental Engineering, China University of Mining & Technology
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60154-3
  CLC：
- Published：2010
- Accepted：
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MENG Zhenying, SUN Jian, WANG Jinquan, ZHANG Jianxin, FU Zengzeng, CHENG Weiguo, ZHANG Xiangping. An Efficient and Stable Ionic Liquid System for Synthesis of Ethylene Glycol via Hydrolysis of Ethylene Carbonate[J]. , 2010, 18(6): 962-966.
DOI：

MENG Zhenying, SUN Jian, WANG Jinquan, ZHANG Jianxin, FU Zengzeng, CHENG Weiguo, ZHANG Xiangping. An Efficient and Stable Ionic Liquid System for Synthesis of Ethylene Glycol via Hydrolysis of Ethylene Carbonate[J]. , 2010, 18(6): 962-966. DOI： 10.1016/S1004-9541(09)60154-3.

摘要

Abstract

An ionic liquid system of [Bmim

]

/[Bmim

]

OH(

=Cl

and PF

) was developed for the hydroly-sis of ethylene carbonate to ethylene glycol. The important parameters

such as the variety of ionic liquids

molar ratio of [Bmim

]

to [Bmim

]

amount of ionic liquid

molar ratio of water to ethylene carbonate

reaction temperature

pressure and reaction time

were investigated systematically. Excellent yield(93%) and high selectivity(99.5%) of ethylene glycol were achieved. Under the optimum reaction conditions

the ionic liquid system could be reused at least five times and the selectivity of ethylene glycol remained higher than 99.5%.

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