METHOD FOR DISTILLING PRODUCTS OF FERMENTATION Russian patent published in 1994 - IPC

FIELD: food industry. SUBSTANCE: method involves heating the feedstock to boiling point, condensing successively the liberated water-alcohol fumes, producing phlegm and alcohol distillate, returning phlegm into feedstock being distilled by counterflow into liberated water-alcohol fumes and separating alcohol distillate into head, intermediate and tail fractions. Phlegm formed at the beginning of distillation, mostly 3-20% of the anhydrous alcohol content in feedstock is separated as fused fraction. EFFECT: higher efficiency. 1 dwg, 1 tb;