Method of and apparatus for processing corn grains for production of ethanol
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United States of America Patent
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Issued Date -
Apr 17, 2008
app pub date -
Sep 11, 2007
filing date -
Oct 13, 2006
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Abandoned
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Abstract
A processing method and an apparatus for producing ethanol that reduces the number of separation steps to the maximum extent possible and simplifies the production configuration while enabling the grits, pericarp and germ to be extracted with ease. The method includes a tempering step of wetting corn grains with a certain amount of water, a dehulling step of dehulling the corn grains while maintaining their shape without breaking the wetted grains, a pulverization step of pulverizing the dehulled corn grains into pieces, a separation step of separating grits and bran from the broken pieces, and a milling step of further milling the separated grits.
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