METHOD OF PROGRESSIVE PRE-LIMING OF DIFFUSION JUICE Russian patent published in 2003 - IPC

FIELD: sugar industry. SUBSTANCE: method provides for mixing diffusion juice with lime milk in countercurrent mode in pre-liming apparatus and introducing recycle, in particular thickened I and II-carbonation juice suspension and I-carbonation non-filtered juice, into pre-liming zone, wherein juice has minimum conductivity. 10-40% of recycle of its total amount, prior to be introduced into pre-liming apparatus, is subjected to electrochemical activation involving ammonium sulfate in amounts 0.02 to 0.30% of the weight of recycle during 30 to 120 sec. EFFECT: increased purity of pre-limed juice. 1 tbl, 3 ex