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2 214 468

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Application

2001134027/02, 2001-12-18

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Start date

2001-12-18

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Actual filing date

2001-12-18

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Published

2003-10-20

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Inventor

Voropanova L.A.Likhacheva E.S.Koval'Chuk L.D.

(73)

Holder

Voropanova Lidija Alekseevna

METHOD OF CLEANING AQUEOUS SOLUTIONS OF COBALT FROM MANGANESE Russian patent published in 2003 - IPC

Abstract RU 2214468 C2

FIELD: extraction of substances by precipitation of difficultly soluble compound; ferrous and non-ferrous metallurgy; cleaning of domestic and industrial runoff. SUBSTANCE: proposed method includes precipitation of manganese ions from acid solutions of cobalt salts in presence of potassium and fluorine ions; oxidants are introduced only by stoichiometry for oxidation of manganese ions. Co(OH)3, MnO2, and KMnO4 are used as oxidants. EFFECT: enhanced operational and economical efficiency; facilitated procedure. 1 dwg, 3 tbl, 4 ex

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RU 2 214 468 C2

Authors

Voropanova L.A.

Likhacheva E.S.

Koval'Chuk L.D.

Dates

2003-10-20—Published

2001-12-18—Filed

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