FIELD: technological processes; mining.
SUBSTANCE: method of floatation dressing of magnetite concentrates includes conditioning of pulp with cationic collector and further floatation of silicate minerals. As collector, the main floatation is filled with alkylated ether of amine acetate and additionally, as foaming agent, substance from group of polyalkylene glycols. Foaming agent used is polypropylene glycol or polyethylene glycol.
EFFECT: higher quality of ferrous concentrate and extraction of similar metal in it in process of magnetite concentrates dressing, higher efficiency and selectivity of floatation process.
3 cl, 1 dwg, 5 tbl, 5 ex
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