EPA Approves On-Road Testing for Hydrous Ethanol Blends
Green Car Congress
FEBRUARY 11, 2009
In ethanol production, the “beer” resulting from the fermentation is processed in distillation columns where an azeotropic mixture of ethanol and water is separated out from the rest of the stillage. This product is referred to as hydrous ethanol—about 95% ethanol and 5% water. Earlier post.). Earlier post.). Earlier post.).
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