Dry solids staging fermentation process

Details Dry solids staging fermentation process Dry solids staging fermentation process

C - Chemistry, Metallurgy

12

P

C12P 7/14 (2006.01)

Patent

CA 2609250

A dry solids staging fermentation process for producing an end-product, such as ethanol is disclosed said process including an initial fermentation step including combining a first fermentable substrate with one or more starch hydrolyzing enzymes and fermenting organisms in a fermentation vessel and a loading step which includes adding a second fermentable substrate to the fermentation vessel wherein the percent dry solids (% DS) of the fermentation broth increases over time.

L'invention concerne un procédé de fermentation en plusieurs étapes de matière sèche pour la production d'un produit final, tel que de l'éthanol, ledit procédé faisant appel à une étape de fermentation initiale consistant à combiner un premier substrat fermentescible avec une ou plusieurs enzymes hydrolysant l'amidon et à faire fermenter des organismes dans une cuve de fermentation, ainsi qu'à une étape de chargement qui consiste à ajouter un second substrat fermentescible dans la cuve de fermentation, la matière sèche exprimée en pourcentage ( % DS) du bouillon de fermentation augmentant avec le temps.

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