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2 096 507

(13)

(51)

IPC

(21) (22)

Application

96106977/02, 1996-04-11

(22)

Actual filing date

1996-04-11

(45)

Published

1997-11-20

(72)

Inventor

Karpukhin A.I.Rybkin S.G.Skripchenko V.V.Tatarintsev A.N.Zvontsov B.F.Kovalev V.V.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD OF PROCESSING CHLORIDE SLAG CONTAINING PRECIOUS METALS Russian patent published in 1997 - IPC

Abstract RU 2096507 C1

FIELD: precious metal recovery. SUBSTANCE: chloride slag is mixed with fluxes and melted followed by separation of silver-gold alloy from slag and processing it to isolate gold and silver. Prior to be melted, chloride slag is mixed with sodium hydroxide and sodium carbonate, fired, and resulting cake is leached in water. Non-dissolved residue is melted with fluxes to form silver-gold alloy. EFFECT: facilitated silver and gold recovery. 2 cl, 4 tbl

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RU 2 096 507 C1

Authors

Karpukhin A.I.

Rybkin S.G.

Skripchenko V.V.

Tatarintsev A.N.

Zvontsov B.F.

Kovalev V.V.

Dates

1997-11-20—Published

1996-04-11—Filed