Patent ID: 9518274
Filing Date: 2016-12-13
CPC Classification: A23L,A23V,C12P,C13K,Y02E

Claim Text:
1. A process for producing bioethanol from a lignocellulosic vegetable raw material, comprising: (a) pretreatment of the lignocellulosic vegetable raw material in order to separate cellulose, hemicelluloses and lignins contained in the lignocellulosic vegetable raw material, the pretreatment comprising: (b) partial elimination of residual lignins from the solid phase so as to obtain a residual overall level of lignins in a range of 0.30% to 4% by weight; (c) enzymatic hydrolysis of said solid phase; and (d) alcoholic fermentation of products resulting from said enzymatic hydrolysis step to produce the bioethanol.