Fermentation of carbohydrate
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United States of America Patent
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Nov 11, 2014
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app pub date -
Nov 23, 2010
filing date -
Nov 25, 2009
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Abstract
A high yield method for fermenting carbohydrate to ethanol, comprising a) treating carbohydrate with a composition containing 10-90 wt % of an aldehyde selected from the group consisting of an formaldehyde, para-formaldehyde, glutaraldehyde and mixtures thereof, 1-50 wt % of a surfactant having an I JLB from 4 to 18, 0-20 wt % of an antimicrobial terpene, or essential oils, 1-50 wt % of organic acids selected from C1-24 fatty acids, their salts, and glyceride esters thereof, and 1-50 wt % water, b) fermenting said carbohydrate in the presence of yeast in a fermentation broth, and c) isolating ethanol in a higher yield than would be obtained without step a).
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