功能性离子液体在金属萃取分离中的研究进展

Research Progress of Task-specific Ionic Liquids Used in Metal Ions Extraction

近年来,离子液体在金属萃取领域的研究受到广泛关注,主要集中在两个方面,一是疏水性离子液体作为"绿色"溶剂用于金属离子萃取;二是带有官能团的功能性离子液体作为萃取剂用于金属离子萃取,其中,后者是目前研究的热点。本文主要对近年来功能性离子液体萃取分离放射性金属、重金属和稀土金属等研究进行综述,并对其未来发展进行了展望。

In recent years, the research of ionic liquids in the extraction of metals has attracted widespread attention and mainly focuses on two aspects, one is hydrophobic ionic liquids as ＇ green＇ solvent for the extraction of metal ions; the second is task-specific ionic liquid with functional group as extraetant for metal ion extraction. The later is the hot-topic area currently. This paper reviewed the research about task-specific ionic liquid extraction and separation of radioactive metals, heavy metals and rare earth metals etc. in recent years, and its future development was prospected.