the present invention relates to a process for liquefaction and saccharification of polysaccharide containing biomasses , having a relatively high dry matter content . the present invention combines enzymatic hydrolysis with a type of mixing relying on the principle of gravity ensuring that the biomasses are subjected to mechanical forces , primarily shear and tear forces . furthermore , the present invention relates to the further utilization of such processed biomasses , e . g . for subsequent fermentation into bio - ethanol , bio - gas , specialty carbohydrates for food and fees as well as carbon feedstock for processing into plastics and chemicals .