FIELD: mining.
SUBSTANCE: method of flotation finish of magnetite concentrates consists in conditioning of pulp with cation collector and successive flotation of silicate minerals. As a collector alkylated ether of amine acetate is used in the process of flotation; and additionally as a foaming agent a mixture of substances from the group of polyalkylenglycol is used. As foaming agent the mixture of polypropylenglycol and polyethylenglycol is used.
EFFECT: upgraded quality of iron concentrate and extraction of metal of the same name into it at finish of magnetite concentrates; increased efficiency and selectivity of flotation process.
2 cl, 1 dwg, 5 tbl, 5 ex
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