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Research Project:
ECONOMIC COMPETITIVENESS OF RENEWABLE FUELS DERIVED FROM GRAINS AND RELATED BIOMASS
Location: Sustainable Biofuels and Co-Products
Title: CORN WET FRACTIONATION PRIOR TO FERMENTATION FOR RECOVERY OF VALUABLE CO-PRODUCTS
Authors
Submitted to: Meeting Abstract
Publication Type: Proceedings
Publication Acceptance Date: May 25, 2006
Publication Date: June 2, 2006
Citation: Hicks, K.B., Johnston, D., Moreau, R.A., Mcaloon, A.J., Ramirez, E.C., Singh, V. 2006. Corn wet fractionation prior to fermentation for recovery of valuable co-products. Proceedings of the Corn Utilization and Technology Conference, June 5-7, 2006 in Dallas, Texas.
Technical Abstract:
Over the last 10 years, research has led to innovations in wet fractionation processes that can be used prior to fermentation of corn to improve the fuel ethanol process. From the initial "Quick Germ" to the current "E-Mill" process, yields of ethanol and quality and value of coproducts have increased. Today's state of the art E-Mill process yields ~2.6 gal/bushel of ethanol, ~8% yield (db) of wet-mill-quality germ for corn oil production, ~13% yield of purified fiber, and ~10% yield of ~58% protein DDGS. This compares favorably to the conventional dry grind process that produces similar quantities of ethanol but only one moderate value co-product, traditional DDGS with ~28% protein content.
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