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2 672 895

(13)

(51)

IPC

B03D1/02(2006-01-01)

B03D1/14(2006-01-01)

B03D101/04(2006-01-01)

(21) (22)

Application

2017143742, 2017-12-13

(24)

Start date

2017-12-13

(22)

Actual filing date

2017-12-13

(45)

Published

2018-11-20

(72)

Inventor

Timoshenko Lyudmila IvanovnaMalysheva Svetlana FilippovnaMarkosyan Svetlana MushegovnaBelogorlova Nataliya Alekseevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Nauchnoe Uchrezhdenie Issledovatelskij Tsentr Nauchnyj Tsentr Sibirskogo Otdeleniya Rossijskoj Akademii Nauk" Knts So Ran, Knts So Ran)

METHOD OF FLOTATION OF SULPHIDE COPPER-NICKEL ORE Russian patent published in 2018 - IPC B03D1/02 B03D1/14 B03D101/04

Abstract RU 2672895 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to the enrichment of non-ferrous metal ores and can be used in the enrichment of sulfide copper-nickel ores. Method for the enrichment of disseminated copper-nickel ores, including grinding and conditioning of the ore in the presence of a sulfhydryl collector-butyl potassium xanthate, introduction into the stage of flotation of the foaming agent and separation of nickel and copper sulfides into foam products, and of minerals of waste rock into dumping tailings. As a foaming agent, a reagent-FR-3 (dibutyl(2,2,3,3-tetrafluoropropyl)phosphinate) is introduced at a rate of 40 g/t.

EFFECT: increased level of extraction of nickel and copper sulfides in a collective concentrate, improved indices of selective separation of collective concentrate, and expanded range of used flotation agents-blowing agents.

1 cl, 1 tbl, 1 ex

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RU 2 672 895 C1

Authors

Timoshenko Lyudmila Ivanovna

Malysheva Svetlana Filippovna

Markosyan Svetlana Mushegovna

Belogorlova Nataliya Alekseevna

Dates

2018-11-20—Published

2017-12-13—Filed