METHOD OF CONCENTRATION OF INDIUM FROM SULFATE ZINC SOLUTIONS Russian patent published in 2004 - IPC

Abstract RU 2221888 C2

FIELD: non-ferrous metallurgy; technology of rare-earth and trace elements; extraction of indium from sulfate zinc solutions at increased content of silica. SUBSTANCE: proposed method provides for reduction of forming difficultly laminating emulsions and increase of separation of indium at extraction stage. To this end, oil paraffin of C₇-C₉, fraction is additionally introduced into organic phase containing di-2- ethyl hexyl phosphorous acid and synthetic fatty acid of C₁₃. fraction. EFFECT: enhanced efficiency. 1 tbl

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RU 2 221 888 C2

Authors

Kazanbaev L.A.

Kozlov P.A.

Kolesnikov A.V.

Girshengorn A.P.

Zagrebin S.A.

Dates

2004-01-20—Published

2002-04-08—Filed