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2 600 251

(13)

(51)

IPC

B03D1/02(2006-01-01)

B03D101/02(2006-01-01)

B03D103/02(2006-01-01)

(21) (22)

Application

2015143194/03, 2015-10-09

(24)

Start date

2015-10-09

(22)

Actual filing date

2015-10-09

(45)

Published

2016-10-20

(72)

Inventor

Timoshenko Lyudmila IvanovnaMalysheva Svetlana FilippovnaMarkosyan Svetlana MushegovnaBelogorlova Nataliya Alekseevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Khimii I Khimicheskoj Tekhnologii Sibirskogo Otdeleniya Rossijskoj Akademii Nauk So Ran)

METHOD OF FLOTATION OF SULPHIDE COPPER-NICKEL ORE Russian patent published in 2016 - IPC B03D1/02 B03D101/02 B03D103/02

Abstract RU 2600251 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to concentration of ores of nonferrous metals and can be used in concentration of sulphide copper-nickel ores. Method involves crushing and conditioning of ore in presence of sulfhydryl collector - potassium butyl xanthogenate and foaming agent, extraction of nickel and copper minerals into collective concentrate and minerals of waste rock in final tailings. In addition to collector butyl xanthogenate bis(2,2,2-trifluoroethyl)ethyl phosphite is introduced, at following ratio, wt%. %: butyl xanthogenate - 50, bis(2,2,2-trifluoroethyl)ethyl phosphite - 50.

EFFECT: technical result is increase of technological parameters of flotation process and wider range of used flotation reagents.

1 cl, 1 tbl, 1 ex

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RU 2 600 251 C1

Authors

Timoshenko Lyudmila Ivanovna

Malysheva Svetlana Filippovna

Markosyan Svetlana Mushegovna

Belogorlova Nataliya Alekseevna

Dates

2016-10-20—Published

2015-10-09—Filed