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2 033 444

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Application

5061254/02, 1992-09-02

(22)

Actual filing date

1992-09-02

(45)

Published

1995-04-20

(72)

Inventor

Gorbunov P.D.Semenova L.P.Emel'Janov Ju.E.Dement'Ev V.E.Byval'Tsev V.Ja.

(73)

Holder

Irkutskij Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Redkikh I Tsvetnykh Metallov

METHOD FOR PROCESSING REBELLIOUS GOLD ORE Russian patent published in 1995 - IPC

Abstract RU 2033444 C1

FIELD: hydrometallurgical breakdown of rebellious gold ores with use of microorganisms. SUBSTANCE: method for processing rebellious gold ore includes cyanidation, filtration, washing of filter cakes, mixing of cyanidation products with binding agent, e.g., cement and iron sulfate, granulation, heap bacterial leaching, and processing of leaching products. Cement is introduced in pulp before its filtration, and iron sulfate is introduced in the process of washing cyanidation cakes. EFFECT: reduced maintenance and capital costs. 1 tbl

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RU 2 033 444 C1

Authors

Gorbunov P.D.

Semenova L.P.

Emel'Janov Ju.E.

Dement'Ev V.E.

Byval'Tsev V.Ja.

Dates

1995-04-20—Published

1992-09-02—Filed

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