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2 501 867

(13)

(51)

IPC

C22B11/02(2006-01-01)

C22B5/04(2006-01-01)

C22B9/22(2006-01-01)

(21) (22)

Application

2012140867/02, 2012-09-24

(24)

Start date

2012-09-24

(22)

Actual filing date

2012-09-24

(45)

Published

2013-12-20

(72)

Inventor

Selivanov Evgenij NikolaevichUdoeva Ljudmila Jur'EvnaToloknov Denis AndreevichChumarev Vladimir MikhajlovichGuljaeva Roza Iosifovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Metallurgii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Uro Ran)

METHOD OF PROCESSING SULPHIDE COPPER-NICKEL MATERIALS CONTAINING PLATINUM GROUP METALS Russian patent published in 2013 - IPC C22B11/02 C22B5/04 C22B9/22

Abstract RU 2501867 C1

FIELD: metallurgy.

SUBSTANCE: starting material is premixed with calcium oxide in amount of 15-20 wt % of starting material and fused to obtain matte-slag melt. Then, silicon-bearing collector melt if the form FS25-grade ferrosilicon to collect platinum metals and nickel. Note here that copper remains in matte. Obtained melt is subjected to ageing. Said starting material represents a nickel-pyrrhotite concentrate. Note here that silicon-bearing alloys is used in ground form.

EFFECT: higher yield, copper and nickel separation.

2 cl, 3 tbl, 4 ex

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RU 2 501 867 C1

Authors

Selivanov Evgenij Nikolaevich

Udoeva Ljudmila Jur'Evna

Toloknov Denis Andreevich

Chumarev Vladimir Mikhajlovich

Guljaeva Roza Iosifovna

Dates

2013-12-20—Published

2012-09-24—Filed