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2 061 069

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IPC

(21) (22)

Application

93006065/02, 1993-02-03

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Actual filing date

1993-02-03

(45)

Published

1996-05-27

(72)

Inventor

Kovgan P.A.Panfilov V.S.Kataev Ju.A.Ranskij O.B.Mel'Nikov A.V.Kosach Ju.Eh.Kozyrev V.V.Volkov V.A.Golubev I.N.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Medeplavil'Nyj Kombinat"

METHOD OF PROCESSING OF SLAGS OF COPPER-SMELTING Russian patent published in 1996 - IPC

Abstract RU 2061069 C1

FIELD: non-ferrous metallurgy. SUBSTANCE: method of processing of slags of copper-smelting carrying copper, nickel, polymetals and noble metals provides for treatment of starting material with plasma of neutral gas before supply of flux and reductant. Flux is fed when proportion of content of polymetals in slag to original one acjieves 0.15-0.20 and consumption of reductant is maintained in process of smelting in the amount of 0.5-0.8 per cent by mass of weight of starting material. Smelting is carried out in presence of lime flux. EFFECT: increased efficiency of method. 2 cl, 4 tbl

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RU 2 061 069 C1

Authors

Kovgan P.A.

Panfilov V.S.

Kataev Ju.A.

Ranskij O.B.

Mel'Nikov A.V.

Kosach Ju.Eh.

Kozyrev V.V.

Volkov V.A.

Golubev I.N.

Dates

1996-05-27—Published

1993-02-03—Filed