PROCESS FOR THE PRODUCTION OF SUGARS FROM LIGNOCELLULOSIC BIOMASS PRETREATED WITH A MIXTURE OF HYDRATES INORGANIC SALTS AND METAL SALTS

摘要

The present invention relates to a process for converting lignocellulosic biomass to sugars comprising at least three steps. The first step is a step of cooking the lignocellulosic biomass in the presence of at least one hydrated inorganic salt mixed with at least one other metal salt. The second step is a step of separating at least one solid fraction having undergone the firing step and the third step is a step of enzymatic hydrolysis of said solid fraction to convert the polysaccharides to monosaccharides. The sugars thus obtained are then fermentable in alcohols.