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2 153 014

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C1

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IPC

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Application

98121158/02, 1998-11-24

(24)

Start date

1998-11-24

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Actual filing date

1998-11-24

(45)

Published

2000-07-20

(72)

Inventor

Karpukhin A.I.Musin E.D.Dement'Ev V.E.Stel'Kina I.I.Mineev G.G.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD OF PROCESSING CHLORIDE SLAG CONTAINING NOBLE METALS Russian patent published in 2000 - IPC

Abstract RU 2153014 C1

FIELD: noble metal metallurgy. SUBSTANCE: method relates, particularly, to gold and silver refining and includes leaching of gold-silver product from chlorine slag and its subsequent processing. Leaching is carried out with sulfite solution with weight concentration of Na2SO3 equalling 300-400 g/l and liquid:solid ratio of (14-15):1. Gold-containing product is separated from pulp and silver is precipitated from solution. EFFECT: increased efficiency of chloride slag processing; reduced power consumption. 2 tbl, 6 ex

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RU 2 153 014 C1

Authors

Karpukhin A.I.

Musin E.D.

Dement'Ev V.E.

Stel'Kina I.I.

Mineev G.G.

Dates

2000-07-20—Published

1998-11-24—Filed

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