Corn and fiber refining

Details Corn and fiber refining Corn and fiber refining

2008-08-27

2009-02-10

Reifsnyder, David A (Department: 1797)

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

C127S024000, C127S027000, C127S038000, C127S043000, C127S068000, C426S482000, C435S094000, C435S096000, C435S161000

Reexamination Certificate

active

07488390

ABSTRACT:
Plant materials such as corn kernels which contain starch and fiber comprising cellulose, hemicellulose, lignin, and pectin are refined. The starch, cellulose, hemicellulose, and pectin are converted to sugars which are then fermented to ethanol. Additional sources of starch and fiber are optionally added to the refining process to further increase the yield of ethanol.

REFERENCES:
patent: 4361651 (1982-11-01), Keim
patent: 6254914 (2001-07-01), Singh et al.
patent: 7452425 (2008-11-01), Langhauser
“Fractionation of Lignocellulosic Biomass for Fuel-Grade Ethanol Production” by F.D. Guffey et al., Topical Report for Cooperative Agreement DE-FC26-98FT40323 Task 27 for the U.S. Department of Energy, Western Research Institute, Laramie, Wyoming, Oct. 2002.

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