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2 186 141

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C1

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Application

2001108005/02, 2001-03-28

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Start date

2001-03-28

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Actual filing date

2001-03-28

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Published

2002-07-27

(72)

Inventor

Kazanbaev L.A.Kozlov P.A.Kubasov V.L.Travkin V.F.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Ehlektrolitnyj Tsinkovyj Zavod"

METHOD OF RECOVERING INDIUM FROM ACID SOLUTIONS Russian patent published in 2002 - IPC

Abstract RU 2186141 C1

FIELD: hydrometallurgy. SUBSTANCE: invention can be applied in processing of lead-zinc semifinished products and is realized via extraction of indium with di-C7-C10- alkylphosphinic acid at its concentration in kerosene 10-40 wt % followed by re-extraction of indium with solutions containing 250-450 g/cu.dm sulfuric acid. EFFECT: increased extraction selectivity and simplified process. 4 tbl, 5 ex

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RU 2 186 141 C1

Authors

Kazanbaev L.A.

Kozlov P.A.

Kubasov V.L.

Travkin V.F.

Dates

2002-07-27—Published

2001-03-28—Filed

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