Abstract
Mechanisms of interaction between different classes of collectors and flotation depressants of sulfide ores are investigated. Optimal conditions for the selective flotation of sulfide mineral complexes with the use of sulfohydrophilic collectors based on dithiophosphates are determined. As selective depressants, KMTs (cellulose-hydroxiacetic acid sodium salt) modified by heavy metal salts is used. Combinations and ratios of the collector and depressant, at which active flotation of some sulfide minerals and depression of others occur, are determined. Technological studies for various types of ores confirmed the results of theoretical experiments.
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