METHOD OF SUSPENSION THICKENING Russian patent published in 1995 - IPC

FIELD: chemical industry. SUBSTANCE: entire flow of thickened fraction is conveyed as an effluent jet in the break of the recirculation channel with upper and lower benches forming the inlet of the concentrate outlet pipe located under them. Recirculation is accomplished at a flow rate not lower than the flow rate of starting suspension until the maximum concentration of solid phase is attained in it. Then, recirculation is interrupted and solid phase is removed, then recirculation is resumed, and of starting suspension is determined according to the relation given in the formula. EFFECT: facilitated procedure. 4 cl, 2 dwg