Preparation of ethanol, comprises grinding, liquefying, sugaring and fermenting starchy raw materials, where the obtained starch milk is separated in a decanter in a main stream containing preferably starch

摘要

Preparing ethanol, comprises grinding, liquefying, sugaring and fermenting starchy raw materials, where the obtained starch milk is separated in a 3-phase decanter in a main stream containing preferably starch and a bypass flow containing preferably pentosan and hemicellulose after separation of the proteins, and the separated main stream and bypass flow are further processed.