Process for recovering germanium

Details Process for recovering germanium Process for recovering germanium

C - Chemistry, Metallurgy

22

B

C22B 41/00 (2006.01) C01G 17/00 (2006.01) C22B 3/40 (2006.01)

Patent

CA 2047728

A germanium bearing sulphate solution containing indium and/or gallium is brought at pH 1-2.5 into contact with an or- ganic phase, containing a substituted 8-hvdroxyquinoline and an acid organophosphorus compound. So, in addition to germani- um, indium and gallium are also extracted from the sulphate solution.

Une solution sulfatée contenant du germanium, mais contenant également de l'indium et/ou du gallium, est amenée à pH 1-2,5 en contact avec une phase organique, contenant une 8-hydroxyquinoline substituée et un composé organophosphoré acide. Ainsi, en plus du germanium, l'indium et le gallium sont également extraits de la solution sulfatée.

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