FIELD: concentration of minerals; floatation of nonferrous ores, precious metals and coal.
SUBSTANCE: proposed composition includes foaming agent on base of carbinol dimethyl (isopropenylethynyl) and collecting agent. Foaming agent on base of carbinol dimethyl (isopropenylethynyl) contains, mass-%: carbinol dimethyl (isopropenylethgynyl), 79.0-92.0; tetramethyl butynedioyl, 0.1-1.5; diisopropenyl acetylene, 4.4-18.4; 2.5-dimethyl-1.4-hexadiene-3-on, 1.5-2.5; radical polymerization inhibitor, 0.1-1.0.
EFFECT: low cost of foaming agent at retained level of extraction of minerals.
7 cl, 6 tbl, 6 ex
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