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1 663 948

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A1

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IPC

(21) (22)

Application

3096667/02, 1984-08-24

(22)

Actual filing date

1984-08-24

(45)

Published

1994-04-30

(72)

Inventor

Romanchuk A.I.Ivanovskaja V.P.Koroleva E.I.Sedygina A.A.Matevich T.N.

METHOD OF OCEANIC FERROMANGANESE CONCRETION REPROCESSING Russian patent published in 1994 - IPC

Abstract SU 1663948 A1

FIELD: metallurgy. SUBSTANCE: at the process of leaching at pH 4.5-3.0 sulfur (0.7-2.0 g / 1 g copper) is added to the pulp, and copper sulfide formed is separated by flotation. Sulfur particle size i 0.044-0.300 mm. Leaching involving sulfur addition is carried out at 50-95 C. EFFECT: simplified technology, decreased reagent consumption. 3 cl

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SU 1 663 948 A1

Authors

Romanchuk A.I.

Ivanovskaja V.P.

Koroleva E.I.

Sedygina A.A.

Matevich T.N.

Dates

1994-04-30—Published

1984-08-24—Filed

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