| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to using collectors in flotation processing of silicate-containing mineral resources and ores, namely, iron ore. Composition of formula I, R1-O-R2-NH(2-m)-[{R3)n-H]m (I) where R1 represents hydrocarbon group containing 1-40 carbon atom, R2 represents aliphatic hydrocarbon group containing 2-4 carbon atoms, R3 is alkoxy group, n equals 1-50, and m equals 1 or 2, is used as flotation reagent in silicate flotation. Said reagent is used also in composition containing 1-99 wt% of collectors for silicate flotation representing alkyl amino ether, alkyl diamine ether, alkyl amine or quaternary ammonium salt, as well as 1-99 wt% of compounds included in formula I. ^ EFFECT: higher efficiency of flotation. ^ 12 cl, 1 tbl, 1 ex |
