2002•Hydrometallurgy of ChinaRequires access

Extraction and Separation of Gallium from High Concentration HCl Solution with Tributy Phosphate(TBP)

Yan Ying

Abstract

Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.The results show that TBP dissolved in all those diluent can extract gallium effectively.The extraction yield of gallium has something to do with the concentration of HCl in water phase and concentration of TBP in organic phase, and content of Fe3+ coexisting in feed solution. The extraction mechanism should be of ion exchange and association.

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Key concepts: Gallium, Tributyl phosphate, Extraction (chemistry), Diluent, Chemistry, Xylene, Kerosene, Phosphate