SEPARATION METHOD OF ZIRCONIUM AND HAFNIUM, AND MANUFACTURING METHOD OF ZIRCONIUM IN WHICH HAFNIUM IS REMOVED

摘要

Jane acid extraction D2EHPA (Di- (2-ethylhexyl) phosphoric acid) or PC88A (2-Ethylhexyl phosphonic acid mono-2-ethylhexyl ester), M2EHPA (Mono-(2-ethylhexyl) phosphoric acid), Cyanex272 (Bis (2,4,4-trimethylpentyl) phosphinic acid), P229 (Di (2-ethylhexyl ) phosphinic acid) , or using a combination thereof using a solvent extraction method , such as by applying a metal ion catalyst provides a method for separating hafnium from zirconium and quickly selected . ;