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Application

2000103132/02, 2000-02-08

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Start date

2000-02-08

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Actual filing date

2000-02-08

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Published

2002-05-10

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Inventor

Kalashnikova M.I.Keskinova M.V.Shneerson Ja.M.Saltykov P.M.Chetvertakov V.V.Saltykova E.G.Pozdnjakova N.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Gipronikel'"

PROCESS OF PRECIPITATION OF NON-FERROUS METALS FROM SOLUTIONS Russian patent published in 2002 - IPC

Abstract RU 2182183 C2

FIELD: hydrometallurgy of non-ferrous metals. SUBSTANCE: process of precipitation of non-ferrous metals from solutions includes treatment of solution with pulp of calcium thioculfate prepared in advance as result of reactions of solution of sulfur in aqueous suspension of lime and oxidation of obtained solution by oxygen-carrying gas which contains solution of calcium tiosulfate in liquid component and calcium, elementary sulfur and sulfite sulfur in solid component. EFFECT: reduced usage of precipitant and decreased cost of process. 3 tbl

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RU 2 182 183 C2

Authors

Kalashnikova M.I.

Keskinova M.V.

Shneerson Ja.M.

Saltykov P.M.

Chetvertakov V.V.

Saltykova E.G.

Pozdnjakova N.N.

Dates

2002-05-10—Published

2000-02-08—Filed