METHOD FOR THE PRODUCTION OF BIOETHANOL AND FOR THE COPRODUCTION OF ENERGY FROM A STARCHY PLANT STARTING MATERIAL

摘要

The invention proposes a method of the type comprising at least the following successive steps consisting in: A) preparing a paste (must) comprising the starchy plant starting material (MPV) capable of being fermented; B) bringing about the fermentation of said paste with a view to obtaining a fermented mixture (MF); D) distilling said fermented mixture (MF), at least in part, so as to obtain bioethanol and light vinasse (VL); E1) producing at least a first fuel for the coproduction of energy, in particular thermal energy, using at least a part of the light vinasse. The method comprises a step C1) of separating, by filtration and pressing, the liquid phase (PL) and the solid phase (PS) from the fermented mixture involved before the distillation.