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Application

98118604/02, 1998-10-12

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Start date

1998-10-12

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Actual filing date

1998-10-12

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Published

2000-06-10

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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 PRECIOUS METALS Russian patent published in 2000 - IPC

Abstract RU 2150521 C1

FIELD: precious metal technology. SUBSTANCE: slag is leached with ammonium sulfite solution, more specifically containing 90-110 g/l sodium sulfite and 50-70 g/l ammonium hydroxide, at liquid-to-solids ratio (11-13):1 to give silver- and gold-containing product subjected to further processing. EFFECT: facilitated silver and gold recovery. 3 tbl, 13 ex

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RU 2 150 521 C1

Authors

Karpukhin A.I.

Musin E.D.

Dement'Ev V.E.

Stel'Kina I.I.

Mineev G.G.

Dates

2000-06-10—Published

1998-10-12—Filed

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