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IPC

(21) (22)

Application

2002102625/02, 2002-02-04

(24)

Start date

2002-02-04

(22)

Actual filing date

2002-02-04

(45)

Published

2003-12-20

(72)

Inventor

Voropanova L.A.Titukhina V.N.Krutskikh Ju.E.Kallagova O.V.Khabiev R.P.Shchelkunov V.V.

(73)

Holder

Voropanova Lidija Alekseevna

METHOD OF CLEANING COBALT AND NICKEL AQUEOUS SOLUTIONS TO REMOVE COPPER Russian patent published in 2003 - IPC

Abstract RU 2219260 C2

FIELD: nonferrous metallurgy. SUBSTANCE: in a method involving treatment of solution and extractant, contact of solution and extractant, inert diluent is gasoline or kerosene and extraction is performed at pH 5-9. Method can be employed for treatment of industrial and domestic effluents. EFFECT: increased selectivity of process and its economical efficiency. 4 tbl, 4 ex

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RU 2 219 260 C2

Authors

Voropanova L.A.

Titukhina V.N.

Krutskikh Ju.E.

Kallagova O.V.

Khabiev R.P.

Shchelkunov V.V.

Dates

2003-12-20—Published

2002-02-04—Filed