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2 038 470

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Application

93011253/03, 1993-03-02

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Actual filing date

1993-03-02

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Published

1995-06-27

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Inventor

Sheveleva L.D.Pirmagomedov D.A.Druzhinina S.I.Ponomareva O.A.Pavlichenko G.A.Abakumov V.V.

(73)

Holder

Ural'Skij Nauchno-Issledovatel'Skij I Proektnyj Institut Mednoj Promyshlennosti

COPPER ORE HEAP LEACHING METHOD Russian patent published in 1995 - IPC

Abstract RU 2038470 C1

FIELD: mining industry. SUBSTANCE: method involves layer-by-layer heaping of ore with sulfide material additives, with sulfide material being dumped as middle layer in an amount providing ratio of sulfur and copper in ore mass within the range of (5-20):1 setting sulfide material border at the depth not exceeding 8 m from spoil heap surface; spraying spoil heap with sulfuric acid solution. EFFECT: increased efficiency. 3 tbl

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RU 2 038 470 C1

Authors

Sheveleva L.D.

Pirmagomedov D.A.

Druzhinina S.I.

Ponomareva O.A.

Pavlichenko G.A.

Abakumov V.V.

Dates

1995-06-27—Published

1993-03-02—Filed

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