离子液体在稀土萃取分离中的应用

doi:10.11949/0438-1157.20200677

化工学报 ›› 2020, Vol. 71 ›› Issue (10): 4379-4394.DOI: 10.11949/0438-1157.20200677

离子液体在稀土萃取分离中的应用

王道广^1,²(),王均凤^1,²(),张香平^1,²,王毅霖³,张晓飞³

^1.中国科学院过程工程研究所离子液体清洁过程北京市重点实验室/多相复杂系统国家重点实验室，北京 100190
^2.中国科学院绿色过程制造创新研究院，北京 100190
^3.中国石油集团安全环保技术研究院有限公司石油石化污染物控制处理国家重点实验室，北京 102206

收稿日期:2020-06-02 修回日期:2020-08-13 出版日期:2020-10-05 发布日期:2020-10-05
通讯作者: 王均凤
作者简介:王道广(1985—)，男，博士后, dgwang@ipe.ac.cn
基金资助:
国家自然科学基金项目(21978302);中国科学院绿色过程制造创新研究院(IAGM2020DB05);中国科学院前沿科学重点研究项目(QYZDY-SSW-JSC011)

Application of ionic liquid in extraction and separation of rare earth

Daoguang WANG^1,²(),Junfeng WANG^1,²(),Xiangping ZHANG^1,²,Yilin WANG³,Xiaofei ZHANG³

^1.Beijing Key Laboratory of Ionic Liquids Clean Process/State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
^2.Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China
^3.State Key Laboratory of Petroleum Pollution Control, CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China

Received:2020-06-02 Revised:2020-08-13 Online:2020-10-05 Published:2020-10-05
Contact: Junfeng WANG

摘要/Abstract

摘要：

稀土元素萃取分离是获得高纯单一稀土的关键步骤之一，开发对稀土元素具有高效分离能力的新材料和新过程是全球科技工作者研究的热点。离子液体作为一类代表性的新材料，因具有不挥发、不易燃、稳定性好、结构性质可调等独特的物理化学性质，近年来在稀土元素萃取分离领域的应用受到广泛关注。在稀土元素萃取分离过程中，离子液体不仅可用作萃取剂，也可作为稀释剂、协萃剂或同时作为萃取剂和稀释剂。系统评述了离子液体在稀土元素萃取分离中的研究进展，对非功能化离子液体和功能化离子液体在稀土元素萃取分离中的萃取行为和萃取机理进行了分析。同时，对该领域的发展所面临的主要问题和进一步的研究工作进行了探讨。

关键词: 稀土, 萃取, 分离, 离子液体, 绿色技术, 协同体系

Abstract:

The extraction and separation of rare earth elements is one of the key steps to obtain high-purity single rare earths. The development of new materials and new processes with high-efficiency separation capabilities for rare earth elements is a hot spot for scientific and technological workers worldwide. As a representative new material, ionic liquid has unique physical and chemical properties such as non-volatile, non-flammable, good stability, and adjustable structural properties. In recent years, its application in the field of rare earth element extraction and separation has received extensive attention.This paper provides a systematical review of the publications in recent years reporting the application of ILs in extraction and separation of rare earth (RE) that is essential to obtain high-purity RE products. The ILs-based extraction and separation by use of non-functional and/or functional ILs were here reviewed and discussed in terms of extraction/stripping behaviors, separation performance and mechanisms. The challenges and future directions for the development and application of ILs-based extraction on RE separation were discussed finally.

Key words: rare earth, extraction, separation, ionic liquid, green technology, synergistic system

中图分类号:

TQ 028.8

王道广, 王均凤, 张香平, 王毅霖, 张晓飞. 离子液体在稀土萃取分离中的应用[J]. 化工学报, 2020, 71(10): 4379-4394.

Daoguang WANG, Junfeng WANG, Xiangping ZHANG, Yilin WANG, Xiaofei ZHANG. Application of ionic liquid in extraction and separation of rare earth[J]. CIESC Journal, 2020, 71(10): 4379-4394.

图/表 1

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离子液体在稀土萃取分离中的应用

Application of ionic liquid in extraction and separation of rare earth

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