Production method of bio-ethanol from by-product of beer fermentation

摘要: Disclosed herein is a method of producing ethanol from beer-fermenting yeast waste solution. Ethanol extracted by fractional distillation beer- fermenting solution containing about 5-12% ethanol. Desirably, the solution, where has been extracted, used as culture in culturing and fermentation to produce cellulose. Then, product hydrolyzed fermented into Further, injecting biomass disclosed.