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2 563 479

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(51)

IPC

B03D1/01(2006-01-01)

(21) (22)

Application

2013151783/03, 2013-11-20

(24)

Start date

2013-11-20

(22)

Actual filing date

2013-11-20

(45)

Published

2015-09-20

(72)

Inventor

Bajgacheva Elena Vasil'EvnaChekanova Larisa Gennad'EvnaRadushev Aleksandr Vasil'EvichLikhacheva Svetlana Vladimirovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Tekhnicheskoj Khimii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk

REAGENT FOR FLOTATION CONCENTRATION OF SULPHIDE COPPER-NICKEL ORES Russian patent published in 2015 - IPC B03D1/01

Abstract RU 2563479 C2

FIELD: mining.

SUBSTANCE: reagent for flotation concentration of sulphidic copper-nickel ores consists of potassium butyl xanthate and tosyl hydrazine with the primary content of tosyl hydrazine at the level 25-50% of total amount of reagent.

EFFECT: increase of extraction of nickel and copper in a concentrate.

1 tbl, 6 ex

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RU 2 563 479 C2

Authors

Bajgacheva Elena Vasil'Evna

Chekanova Larisa Gennad'Evna

Radushev Aleksandr Vasil'Evich

Likhacheva Svetlana Vladimirovna

Dates

2015-09-20—Published

2013-11-20—Filed