METHOD OF POTASSIUM ORES FLOTATION BENEFICATION Russian patent published in 1996 - IPC

FIELD: natural minerals benefication. SUBSTANCE: potassium ores flotation benefication method provides for ore comminution, its reactants treatment, main flotation with production of foam product, clearance of the latter in flotation apparatus. Clearance is exercised in upcoming pulsing air stream of column apparatus with pulp density from 5 to 8 weight shares and its loading from top along center to a depth from 1/4 to 1/2 from upper edge of apparatus. In the case stabilization of pulp is exercised in under foam layer. Pulp oscillation amplitude is maintained from 3 to 12 cm. EFFECT: improved potassium ores benefication process. 2 cl, 1 tbl