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2 186 140

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IPC

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Application

2000125321/02, 2000-10-05

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Start date

2000-10-05

(22)

Actual filing date

2000-10-05

(45)

Published

2002-07-27

(72)

Inventor

Kazanbaev L.A.Kozlov P.A.Girshengorn A.P.Kolesnikov A.V.Marchenko A.K.Skudnyj A.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Ehlektrolitnyj Tsinkovyj Zavod"

METHOD OF CONCENTRATING INDIUM FROM ZINC SULFATE SOLUTIONS Russian patent published in 2002 - IPC

Abstract RU 2186140 C2

FIELD: hydrometallurgy. SUBSTANCE: invention relates to recovering indium from zinc sulfate solutions to produce indium-reach organics, from which indium is reextracted. Re-extraction is accomplished by washing indium-reach organics with aqueous solution containing 10-30 g/l sulfuric acid at organic-to-aqueous phase ratio (5-10):1. EFFECT: reduced impurities in reextract and increased recovery of indium in commercial produce. 1 tbl

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RU 2 186 140 C2

Authors

Kazanbaev L.A.

Kozlov P.A.

Girshengorn A.P.

Kolesnikov A.V.

Marchenko A.K.

Skudnyj A.I.

Dates

2002-07-27—Published

2000-10-05—Filed