Process for the preparation of a fermentation product from lignocellulose containing material

摘要

The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment b) optionally washing; c) enzymatic hydrolysis; d) fermentation; and e) optionally recovery of a fermentation product; wherein in step c) an enzyme composition is used that has a temperature optimum of 55 degrees C or more, the hydrolysis time is 40 hours or more and the temperature is 50 degrees C or more.