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2 075 547

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C1

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IPC

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Application

94003603/02, 1994-02-01

(22)

Actual filing date

1994-02-01

(45)

Published

1997-03-20

(72)

Inventor

Tsapakh S.L.Orlova E.A.Lutova L.S.Solov'Ev E.M.Kardonina A.M.Kuznetsov O.S.Khajdov V.V.

(73)

Holder

Rossijskij Kontsern Nikel'"Institut

METHOD OF ELECTROLYTIC REGENERATION OF COPPER FROM SULFATE ELECTROLYTES Russian patent published in 1997 - IPC

Abstract RU 2075547 C1

FIELD: nonferrous metallurgy, particular, electrolytic precipitation of copper from sulfate solutions with insoluble anodes. SUBSTANCE: method of electrolytic regeneration of copper from sulfate electrolytes consists in formation on the electrolyte surface of protecting layer of foam by introduction into electrolyte of surfactant. Novelty consists in that foaming surfactant is used in form of alkyl sulfates on alcohols of fraction C10-C13 of general formula CnH2n+1OSO3Na where n=10-13 in the amount of 0.050-0.100 g/l. EFFECT: higher efficiency. 1 tbl

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RU 2 075 547 C1

Authors

Tsapakh S.L.

Orlova E.A.

Lutova L.S.

Solov'Ev E.M.

Kardonina A.M.

Kuznetsov O.S.

Khajdov V.V.

Dates

1997-03-20—Published

1994-02-01—Filed

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