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阐述了以环烷酸-异辛醇-煤油和环烷酸-亚砜-煤油两种组成不同的有机溶液为萃取剂,在RE-Cl3-HCl体系中制取纯度大于99.999%Y2O3的工艺及萃取分离过程中萃取槽体平衡时稀土分布的情况。
In this paper, the process of preparing the Y2O3 with purity of more than 99.999% in RE-Cl3-HCl system by using organic solution with different compositions of naphthenic acid-isooctanol-kerosene and naphthenic acid-sulfoxide- Rare earths distribution in extraction tank equilibrium during extraction and separation.