METHOD OF SUGAR RAW MATERIAL CLEAR LIQUOR TREATMENT Russian patent published in 1996 - IPC

FIELD: sugar industry. SUBSTANCE: method involves the clear liquor preparing, its heating, addition of phosphoric acid, milk of lime, reagent for precipitated deposit aggregation and its separation from the clear liquor. Phosphoric acid is added at concentration 0.01-0.06% (as measured for P₂O₅) and milk of lime at concentration 0.01-0.1% CaO (of sugar raw material mass). Reagent: heterocyclic cation-exchange polymer at concentration 0.01-0.07% (by the basic substance of sugar raw material mass). Decoloration effect is 80-90%. Method can be used for treatment of sugar cane and highly concentrated solution of sugar solutions in sugar beet production. EFFECT: improved method of treatment.