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2 009 232

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IPC

(21) (22)

Application

5033306/02, 1992-03-14

(22)

Actual filing date

1992-03-14

(45)

Published

1994-03-15

(72)

Inventor

Filippov A.A.Zubareva G.N.

(73)

Holder

Krasnojarskij Zavod Tsvetnykh Metallov

METHOD FOR EXTRACTION OF GOLD FROM A CHLORIDE SOLUTION CONTAINING PLATINUM GROUP AND BASE METALS ADMIXTURES Russian patent published in 1994 - IPC

Abstract RU 2009232 C1

FIELD: nonferrous metallurgy. SUBSTANCE: sodium thiosulfate is used to treat a source gold containing solution at 60-90 C and the oxidation potential of the solution reduced to 650-690 mV (AgCl). EFFECT: reduced chemical reagents consumption, increased recovery. 1 tbl

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RU 2 009 232 C1

Authors

Filippov A.A.

Zubareva G.N.

Dates

1994-03-15—Published

1992-03-14—Filed

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