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2 039 097

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IPC

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Application

5015485/02, 1991-12-05

(22)

Actual filing date

1991-12-05

(45)

Published

1995-07-09

(72)

Inventor

Karpukhin A.I.Grigor'Ev S.G.Gel'Man G.E.Rashchenko A.F.

(73)

Holder

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

METHOD OF GOLD EXTRACTION FROM REFINING PRODUCTS Russian patent published in 1995 - IPC

Abstract RU 2039097 C1

FIELD: gold extraction. SUBSTANCE: method involves leaching gold from the gold-containing products, and process is carried out with hydrochloric and nitric acid solution at continuous feeding oxygen to the solution and at batch-operated feeding nitric acid. EFFECT: improved method of gold extraction. 2 cl

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RU 2 039 097 C1

Authors

Karpukhin A.I.

Grigor'Ev S.G.

Gel'Man G.E.

Rashchenko A.F.

Dates

1995-07-09—Published

1991-12-05—Filed

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