锆铪萃取分离机理的研究进展

Research Progress on Mechanism of the Separation of Zirconium and Hafnium Extraction

锆和铪的化学性质十分相似,主要通过萃取进行锆铪分离。文章综述不同溶剂萃取分离锆铪的机理:MIBK优先萃取铪、(DIBK)-P204优先萃取铪、TBP优先萃取锆、N235-H2SO4优先萃取锆;以及其他溶剂萃取体系的机理:石油亚砜、Versatic Acid10、Cyanex301、LIX 84-IC等;对工业上得以应用和较为成熟的萃取分离锆铪的体系进行了比较,并讨论了推进产业化的萃取分离锆铪的方向:1新萃取剂的研究;2现有萃取剂改性的研究;3萃取剂消耗量小、萃取时间短的新型萃取技术的研究。

Chemical properties of zirconium and hafnium is very similar,the extraction of zirconium and hafnium separation is main method. The mechanism of different solvent extraction separation of zirconium and hafnium was reviewed,such as MIBK extracting hafnium,（ DIBK）-P204 extracting hafnium,TBP extracting zirconium,N235-H2SO4 extracting zirconium,and the mechanism of other solvent extraction system,petroleum sulfoxide,Versatic Acid10,Cyanex301,LIX 84-IC,etc. The application of relatively mature system of extraction separation of zirconium and hafnium in industrial were compared,and the promote industrialization direction of the extraction separation of zirconium and hafnium were discussed as follows： the new extractant research,extraction agent modification of existing research,minimum consumption extractant,the new extraction technology of short time extraction research.