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Application

2000115720/02, 2000-06-15

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Start date

2000-06-15

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Actual filing date

2000-06-15

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Published

2001-03-27

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Inventor

Miroevskij G.P.Khagazheev D.T.Popov I.O.Keller V.V.Volchek K.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Gorno-Metallurgicheskaja Kompanija"

METHOD OF PROCESSING MATERIALS CONTAINING PLATINUM METALS AND CARBON REDUCING AGENT Russian patent published in 2001 - IPC

Abstract RU 2164538 C1

FIELD: nonferrous metallurgy; applicable in recovery of platinum metals from solid semifinished products of copper-nickel sulfide ores processing. SUBSTANCE: method of processing solid materials containing platinum metals and carbon reducing agent includes smelting of material in presence of sodium sulfate, liquid-phase sulfation, leaching. In so doing, material is preliminarily smelted, alloy obtained is granulated, pulverized and subjected to oxidizing leaching with sulfuric acid solutions at atmospheric pressure and aeration and then sulfatized. Introduced into smelting charge is nickel sulfide concentrate in amount of 10-20% of initial material weight. EFFECT: provided processing of materials based on difficult-to-open compounds and production of platinum metals concentrate by hydrometallurgical methods. 2 cl, 1 dwg, 1 ex

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RU 2 164 538 C1

Authors

Miroevskij G.P.

Khagazheev D.T.

Popov I.O.

Keller V.V.

Volchek K.M.

Dates

2001-03-27—Published

2000-06-15—Filed

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