METHOD FOR PRODUCING GRANULAR FEED ADDITIVE OF L-LYSINE (VERSIONS) Russian patent published in 2002 - IPC

FIELD: food-processing industry and agriculture. SUBSTANCE: method involves adding L-lysine containing material to fermentation L-lysine bouillon or to fermentation L-lysine bouillon fraction in an amount resulting in obtaining of ready L-lysine feed additive with final L-lysine purity within the range of 35-80% measured as percentage of free base per kg, preferably 50-80%. Fraction of fermentation L-lysine bouillon may be obtained by means of any suitable separating equipment, such as ultrafiltration or centrifuging means. Method further involves drying with the use of any suitable drying equipment, such as spraying pelletizer, spray, drum-type, rotary or tunnel-type drier. EFFECT: increased efficiency and provision for obtaining product with standardized composition. 18 cl, 7 dwg, 4 tbl