METHODS OF PRODUCING LOW-ACETAL ETHANOL

Provided is a method for the production of refined, low-acetal ethanol, comprising providing a fermentation product produced by fermentation of a carbon source with an ethanol-producing organism, which fermentation product comprises between 30% wt and 99% wt ethanol, between 70% wt and 1% wt water a...

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Hauptverfasser: TRACY, Bryan P, MONCEAUX, Dale A, Eyal, Aharon M
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creator TRACY, Bryan P
MONCEAUX, Dale A
Eyal, Aharon M
description Provided is a method for the production of refined, low-acetal ethanol, comprising providing a fermentation product produced by fermentation of a carbon source with an ethanol-producing organism, which fermentation product comprises between 30% wt and 99% wt ethanol, between 70% wt and 1% wt water and between 20 and 2000 parts per million acetal; contacting said fermentation product with an acid catalyst, whereby at least 20% of the acetal hydrolyses to form a hydrolysis product comprising ethanol, water, acetaldehyde and optionally residual acetal; and distilling said hydrolysis product, whereby distilled, low-acetal ethanol is formed.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
SPIRITS
VINEGAR
WINE
title METHODS OF PRODUCING LOW-ACETAL ETHANOL
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