Dry-mill ethanol plant extraction enhancement
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United States of America Patent
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Nov 12, 2013
Grant Date -
Jul 16, 2009
app pub date -
Jan 8, 2009
filing date -
Jan 8, 2008
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Abstract
In a liquid stream capture process for extracting various components in a dry mill ethanol process, a converted mash is separated into sugars/carbohydrates and corn residue by rinsing the converted mash with a dilute solvent stream and, after the sugars/carbohydrates have been separated, oils and proteins are extracted from the corn residue by rinsing the corn residue with a concentrated solvent stream. The dilute solvent stream is a mixture of ethanol and water, and the concentrated solvent stream is pure ethanol.
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