Improved quality and value of co-products of the ethanol...

A - Human Necessities – 23 – K

Patent

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A23K 1/06 (2006.01) C12P 1/00 (2006.01) C12P 21/00 (2006.01) C12P 7/10 (2006.01) C12P 19/14 (2006.01)

Patent

CA 2709247

A process for improving the nutritional quality of a feed co-product, resulting from the fermentation of a grain, sugar beets, or sugar cane to produce ethanol. The process comprises combining water, a source of nitrogen, a source of phosphorus, a feed co-product comprising a cellulose and/or a hemi-cellulose, and a microbe to form a fluid fermentation mixture suitable for submerged fermentation, wherein the feed co-product is derived from the fermentation of a grain, sugar beet, or sugar cane to produce ethanol and wherein the microbe is a microbe capable of breaking down the cellulose and/or the hemi-cellulose to one or more sugars and then utilizing the sugars to proliferate; fermenting the fluid fermentation mixture such that the microbe converts at least a portion of the cellulose and/or the hemi-cellulose into at least one sugar and uses the sugar to proliferate thereby increasing the concentration of microbes in the fermentation mixture.

L'invention concerne un procédé pour améliorer la qualité nutritionnelle d'un coproduit d'alimentation, résultant de la fermentation de grains, de betteraves sucrières ou de cannes à sucre pour produire de l'éthanol. Le procédé consiste à combiner de l'eau, une source d'azote, une source de phosphore, un coproduit d'alimentation comportant une cellulose et/ou une hémicellulose, et un microbe pour former un mélange de fermentation fluide approprié pour une fermentation immergée, le coproduit d'alimentation provenant de la fermentation de grains, de betteraves sucrières ou de cannes à sucre pour produire de l'éthanol, et le microbe étant un microbe capable de rompre la cellulose et/ou l'hémicellulose en un ou plusieurs sucres et utilisant les sucres pour proliférer. Le procédé comporte également la fermentation du mélange de fermentation de fluide de telle sorte que les microbes convertissent au moins une partie de la cellulose et/ou de l'hémicellulose en au moins un sucre, et utilisent le sucre pour proliférer, augmentant ainsi la concentration de microbes dans le mélange de fermentation.

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