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2 083 695

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C1

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IPC

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Application

95108746/02, 1995-06-08

(22)

Actual filing date

1995-06-08

(45)

Published

1997-07-10

(72)

Inventor

Gurov V.A.Kochetkov V.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Torgovo-Promyshlennaja Firma

METHOD OF RECOVERY OF NOBLE METALS FROM ORES AND MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2083695 C1

FIELD: recovery of noble metals from ores and materials including addition to ore or materials of manganese-containing material, placing of ore or materials into immovable layer and percolation leaching of ore or materials with aqueous acid solution in the presence of chloride ions, chemical reduction of manganese and recovery of noble metals into productive solution. SUBSTANCE: adding of manganese-containing material and placing of ore or materials into immovable layer are carried out with increasing content of manganese in height of layer. EFFECT: higher efficiency. 1 tbl

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RU 2 083 695 C1

Authors

Gurov V.A.

Kochetkov V.V.

Dates

1997-07-10—Published

1995-06-08—Filed

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