关键词: 离子液体, 化学工程, 电化学, 气体处理, 分离分析

Abstract: Ionic liquids have attracted considerable interest in academical and industrial circles due to their unique properties and have already become the frontier and hot topic of worldwide science and technology in recent years. They have demonstrated broad potential applications and prospect in many domains. This article provides an overview of industrial application of ionic liquids in China and the rest of the world in recent 20 years. Some typical industrial applications of ionic liquids to chemical processes，electrochemistry，performance additives，gas processing，analytical chemistry and energy field are elaborated. Finally，the authors’ opinions concerning the prospect of ionic liquids commercial application are presented，and several existing problems of ionic liquids before large-scale application，such as greenness，basic theory and cost control are analyzed.

Key words: ionic liquid, chemical engineering, electrochemistry, gas processing, separation and analysis