FIELD: mineral dressing. SUBSTANCE: mix includes distilled tall oil, crude tall oil, secondary oil asphalt, and additional collector. The latter may constitute cod- liver oil acids in saponified state isolated when cleaning process drain. Content of components in floatation mix is the following, wt. -%: cod-liver oil acids, 24.0-25.0; distilled tall oil, 29.0-31.7; crude tall oil, 29.5-31.6; secondary oil asphalt, 14.8-15.0. Introduction of additional component increases extraction of phosphorus pentoxide from apatite ore by 1.0-1.5% with retaining quality of concentrate and reduces amount of conventional reagents collectors involved. EFFECT: enhanced efficiency of process.
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