Eliminating the Need of Acidification in Bioethanol Production

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United States of America Patent

APP PUB NO 20140134693A1
SERIAL NO

14077113

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Abstract

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An improved ethanol fermentation process with decreased use of acidifiers by adding a composition containing an aldehyde, a fatty acid, a terpene and a surfactant. The method comprising:

    a) mixing a fermentation feedstock with a fermentation broth containing yeast and/or an enzyme,b) treating said mixture by adding a composition to the fermentor containing: 10-90 wt. % of an antimicrobial aldehyde, preferably selected from the group consisting of formaldehyde, para-formaldehyde, glutaraldehyde, and mixtures thereof,1-50 wt. % of a surfactant having an HLB from 4 to 18,0-20 wt. % of an antimicrobial terpene, or essential oils,1-50 wt. % of organic acids selected from C1 to C24 fatty acids, their salts, glycerides and esters thereof, and1-50 wt. % water; wherein the concentration of aldehyde in the fermentor is from about 0.25 to 3 kg/MT of fermentation feedstock, and c) isolating ethanol and improving yield.

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Patent Owner(s)

Patent OwnerAddress
ANITOX CORPORATION1055 PROGRESS CIRCLE LAWRENCEVILLE GA 30043

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pimentel, Julio Buford, US 15 86
Richardson, Kurt Maysville, US 7 47

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