C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 7/06 (2006.01) A23K 1/18 (2006.01) C02F 11/04 (2006.01) C05F 17/00 (2006.01) C12M 1/36 (2006.01)
Patent
CA 2124111
This invention relates to a novel process and apparatus for an integrated energy efficient ethanol production and cattle feedlot system. More particularly, this invention pertains to a novel method and apparatus for an integrated on-farm ethanol production-feedlot system which enables all by-products produced within the system to be used for various environmentally friendly purposes. An integrated fermentation and feedlot system comprising: (a) means for fermenting grain products to generate ethanol in a fermentation liquid; (b) means for separating the fermentation liquid into green beer and mash; (c) means for extracting ethanol from the green beer; (d) hydroponic growth means for utilizing the carbon dioxide from the fermentation step (a) and liquid from the extraction facility of step (c); (e) means for feeding cattle in a feedlot operation by utilizing spent liquid from the fermentation facility, spent mash from the fermentation facility, supplemented with other cattle feed materials; (f) means for separating manure obtained from the feedlot operation into liquid and solid fractions; (g) means for digesting liquid obtained from the manure separation process to generate methane containing gas and solids; (h) means for composting solids obtained from the digester means and solids from the manure separator means; and (i) means for combining overhead gases from the feedlot facility and methane from the digester means to generate energy for operating the fermentation facility.
Craig Donald M.
Wallace John Blair
Farm Energy Corporation
Oyen Wiggs Green & Mutala
LandOfFree
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