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Journal of Mining Sciences

2020 year, number 6

Enhancement of Copper Concentration Efficiency in Complex Ore Processing by the Reagent Regime Variation

T. N. Aleksandrova1, A. V. Orlova1, V. A. Taranov2
1Saint-Petersburg Mining University, Saint-Petersburg, Russia
2Mekhanobr Engineering, Saint-Petersburg, Russia
Keywords: processing flow chart, flotation, ore mill, sulfide copper ore, copper-nickel ore, copper concentrate


The review of copper ore processing flow charts in application at ore mills in Russia and abroad is presented. The scope of the analysis embraced the reagent regimes and flotation performance. Brief information about collecting agents, frothers and depressants is given. The influence of actuation medium in flotation of copper-nickel ore is studied in terms of bulk copper-nickel concentration. The tests were carried out with production of a rougher concentrate in the acid and alkaline media with its further scavenging.