溶剂萃取法从含钒浸出液中提钒的研究进展  

Research progress for vanadium extraction from vanadium leach solution by solvent extraction

作　　者：张莹[1] 张廷安[1] ZHANG Ying;ZHANG Tingan(Key Laboratory for Ecological Utilization of Multimetallic Mineral, Ministry of Education, Northeastern University,Shenyang110819, China)

机构地区：[1]东北大学多金属共生矿生态化利用教育部重点实验室,沈阳110819

出　　处：《有色金属科学与工程》2017年第5期14-20,共7页Nonferrous Metals Science and Engineering

基　　金：国家863计划资助项目(2012AA062303);国家自然科学基金资助项目(51504059)

摘　　要：提钒原料、浸出工艺及浸出条件等将决定浸出液中钒的存在形态及净化方法.溶剂萃取法可有效净化回收浸出液中的钒,具有处理量大、选择性高、可回收利用、产品纯度高等优点,在钒冶金中得到越来越广泛的应用.笔者针对不同提钒原料所得到的含钒浸出液,综述了各类萃取剂以一定萃取机制从中萃取钒的研究现状.讨论了萃取过程中溶液pH值、协萃剂、萃取时间、杂质元素及萃取预处理等因素对钒萃取分离的影响,并介绍了溶剂萃取法从含钒浸出液中提钒新技术,提出了钒溶剂萃取技术的未来发展方向.The existing forms of vanadium in the leaching solution are usually determined by raw materials,leaching techniques and conditions.Solvent extraction is more and more popular in vanadium metallurgy due to its advantages of extraction capacity,high selectivity,easy recycling and high product purity.In light of the vanadium leaching solution from different raw materials,the author summarized the research status of vanadium extraction from various extractant in certain extraction mechanism.This paper discussed the effects of factors such as solution acidity,synergist,extraction time,impurity element andpretreatment on vanadium extraction and separation.The new method ofvanadium extraction from vanadium leaching solution and their future development were also introduced.

关 键 词：钒 浸出液 溶刻萃取 分离 研究进展 

分 类 号：TF804.2[冶金工程—有色金属冶金]