SUGAR PRODUCTION PROCESS Russian patent published in 2000 - IPC

FIELD: sugar production. SUBSTANCE: process includes preparation of sugar-containing solution from initial raw materials: sugar beet or raw sugar, purification of solution to remove nonsugars, and adding flocculant into resulting diffusion juice before defecation, and subsequent clarification of raw sugar and sugar of last crystallizations' massecuites. As flocculants, process employs water-soluble polyanionite-type polymers, e.g. polyacrylic or polymethacrylic acid, polycationites such as polyvinylamine or polyallylamine, natural polyampholites such as gelatin or agar, and synthetic polyampholites, in particular copolymers of monomers corresponding to above-mentioned polymers, e.g. methacrylic acid/dimethyldiallylammonium bromide copolymer. Defecated diffusion juice and clarified product are sulfited, filtered, and sent into the first-crystallization massecuite boiling stage followed by centrifugation and discharging first-crystallization massecuite sugar as commercial product. EFFECT: reduced consumption of lime, simplified process, and reduced cost price of product. 5 cl, 4 ex