METHOD OF PROCESSING INDIUM-CONTAINING MATERIALS Russian patent published in 1998 - IPC

Abstract RU 2109833 C1

FIELD: rare metal recovery. SUBSTANCE: indium-containing material is leached in 6-9 wt % nitric acid at 35-40 C, mixture is filtered to form filtrate, which is purified by treating with soda ash, and precipitate obtained is dissolved in sulfuric acid solution. EFFECT: enhanced processing efficiency. 2 cl, 1 dwg , 2 tbl

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RU 2 109 833 C1

Authors

Kazanbaev L.A.

Kozlov P.A.

Kolesnikov A.V.

Kustrja D.N.

Lazarev S.A.

Dates

1998-04-27—Published

1996-08-06—Filed