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Название Selective flotation of copper-lead concentrates using iron-containing reagents
DOI 10.17580/or.2020.04.02
Автор Turysbekov D. K., Mukhanova A. A., Narbekova S. M., Musina M. M.
Информация об авторе

Satbayev University, JSC «Institute of Metallurgy and Ore Beneficiation» (Almaty, Kazakhstan):

Turysbekov D. K., Leading Researcher, Candidate of Engineering Sciences, dula80@mail.ru
Mukhanova A. A., Researcher, ainura-muhanova@mail.ru
Narbekova S. M., Researcher, s.narbekova@mail.ru
Musina M. M., Junior Researcher


The flotation process conditions for the polymetallic ore of the Ridder-Sokolny deposit (East Kazakhstan region) have been improved with the use of a magnetite-based iron-containing reagent. A selective flotation process was tested, including sodium sulfide desorption and agitation for ten minutes using an iron-containing reagent. All cleaner operations were carried out in the range of pH values of 5.6 to 5.8. In the separation of the bulk copper-lead concentrate, an iron-containing powdered reagent based on iron oxides was tested. This reagent is used to depress lead minerals, which eliminates the sulfite technology of selective separation of non-ferrous sulfides, as well as reduces the reagent consumption. Effective indicators have been established for the separation of copper-lead concentrate using an iron-containing reagent based on magnetite:
— the mass fraction of copper of 23.6 % with the recovery of 81.3 % for the copper concentrate;
— the mass fraction of lead 36.3 % with the recovery of 93.1 % for the lead concentrate.
The use of a natural iron-based reagent allows completely eliminating the sulfite technology and improving the recovery for the lead concentrate by an average of 3.0 %. Respective laboratory studies have demonstrated the expediency of using this magnetite-based reagent instead of sodium sulfite and iron sulfate in the processing of polymetallic ores.

Ключевые слова Processing, polymetallic ore, flotation, iron-containing reagent, recovery, separation, copper concentrate, lead concentrate
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