离子液体回收方法的研究进展

Research Progress of Recycling Methods of Ionic Liquids

对离子液体有效的分离回收能够提高离子液体的经济效益,减少离子液体对环境和生物的危害,促进离子液体的工业化应用,具有重要的意义。主要介绍了常用离子液体回收的方法,如减压蒸馏、萃取、吸附、双水相、膜分离及其他方法,并介绍了各自的优缺点,根据回收体系的性质选择最合适的回收方法或者几种方法结合,最终实现离子液体的高效回收。

The effective recycling of ionic liquids can improve the economic efficiency of ionic liquids, reduce the harm of ionic liquids to environment and organisms and promote the industrial application of ionic liquids, it has very important significance. Some methods of recycling of ionic liquids are mainly introduced, such as vacuum distillation, extraction, adsorption, aqueous two - phase systems, membrane separation and some other methods. The advantages and disadvantages of each method are introduced. According to the nature of the recovery system, the most appropriate recycling method or a combination of several methods can be selected to achieve the efficient recycling of ionic liquids.