Patent ID: 9689003
Date: 2017-06-27
CPC Classifications: C12M,C12P,Y02E

Claim:
1. An alcohol production process, the process comprising: (A) mixing a ground grain and/or grain component flour with a liquid to produce a slurry including free oil, protein, starch, and fiber, germ, and grit particles; (B) subjecting the slurry of step (A) to the start of liquefaction, which includes adding an enzyme to the slurry; (C) after step (B), separating the slurry, via particle sizes, into a solids portion, including the fiber, grit, and germ particles of the slurry, and a liquid portion, including the free oil, protein, and starch of the slurry; (D) milling the separated solids portion of step (C) to reduce the size of the fiber, grit, and germ particles and release starch, oil, and protein therefrom; (E) recombining at least the starch from the separated liquid portion of step (C) with at least the released starch of step (D) to form a second slurry; (F) converting the starches in the second slurry of step (E) to sugar; and (G) producing alcohol from the sugar of step (F) via fermentation.