METHOD OF FLOTATION OF SULPHIDE COPPER-NICKEL ORES Russian patent published in 2015 - IPC B03D1/14 C22B15/00 C22B23/00 

Abstract RU 2539893 C1

FIELD: chemistry.

SUBSTANCE: invention relates to method of flotation dressing of sulphide copper-nickel ores, containing metals of platinum group, and can be used in collective flotation of sulphides from disseminated copper-nickel ores. Method includes crushing and conditioning of ore in presence of sulphhydryl collector -butyl potassium xanthate, introduction of foaming agent into flotation stage and isolation of nickel and copper sulphides into foam products, with waste rock minerals being separated into final tailings. Reagent B-56, representing polystyrylphosphinoxide of formula (C25H30O5P2)k, is introduced as foaming agent, with consumption 20 g/t.

EFFECT: increase of technological parameters of flotation process, extension of assortment of effective flotoreagents - foaming agents.

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RU 2 539 893 C1

Authors

Timoshenko Ljudmila Ivanovna

Malysheva Svetlana Filippovna

Markosjan Svetlana Mushegovna

Belogorlova Natalija Alekseevna

Dates

2015-01-27Published

2013-11-13Filed