Preparation of water-soluble ionic liquids by electrodialysis

YANG Lanlan; LIU Lifen; LI Yiming; MAO Peiqing; XU Danqian

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Preparation of water-soluble ionic liquids by electrodialysis

更新时间：2025-12-10

- Preparation of water-soluble ionic liquids by electrodialysis
- CIESC Journal Issue 7, Pages: 1837-1842(2009)
- 作者机构：
  
  浙江工业大学绿色化学合成技术国家重点实验室培育基地
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 July 2009，
  
  Published：05 July 2009
- 稿件说明：
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YANG Lanlan, LIU Lifen, LI Yiming, et al. Preparation of water-soluble ionic liquids by electrodialysis[J]. CIESC Journal, 2009, (7): 1837-1842.
DOI：

YANG Lanlan, LIU Lifen, LI Yiming, et al. Preparation of water-soluble ionic liquids by electrodialysis[J]. CIESC Journal, 2009, (7): 1837-1842. DOI：

摘要

以1-乙基-3-甲基咪唑四氟硼酸盐（［EMIm］BF4）的制备为例，对四隔室电渗析法制备水溶性离子液体进行了研究。分别考察了操作电压、进料浓度和离子交换膜种类对平均电流效率、能耗和收率3个电渗析过程性能参数的影响。实验结果表明，相比于传统的化学合成法制备离子液体，采用四隔室电渗析法制备水溶性离子液体具有反应条件温和（室温下反应）、反应时间短、反应无须传统有机溶剂（水作反应溶剂）和产物纯度高（最高可达98％）的优点。

Abstract

A new method was proposed to prepare water-soluble ionic liquids by using four-compartment electrodialysis.1-Ethyl-3-methylimidazolium tetrafluoroborate (［EMIm］BF4)

used as a model ionic liquid

was synthesized.Operation voltage

feed concentration and the type of ion-exchange membrane had important impacts on the performances of the electrodialysis process

such as average current efficiency

energy consumption and product yield.Compared with the traditional method of chemical synthesis

this new method was more eco-friendly and economical.Less reaction time was needed though the reaction proceeded at room temperature.No traditional solvent was needed and higher purity was obtained by the new method.

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Related Institution

中国石油大学（北京）重质油国家重点实验室

绿色化学合成技术国家重点实验室培育基地

浙江工业大学化材学院

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大连工业大学化工与材料学院

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