Processes and systems for the production of fermentation products

The present invention relates to the production of fermentation products such as alcohols including ethanol and butanol, in microorganisms at levels approaching or higher than the microorganism's toxicity threshold. Specifically, the method for recovering a product alcohol from a fermentation b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Bazzana Stephane Francois, Cronin James Timothy, Burlew Keith H, Roesch Brian Michael, Zolandz Raymond Richard, Zaher Joseph J, Bernfeld Adam, Grady Michael Charles
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPIRITS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention relates to the production of fermentation products such as alcohols including ethanol and butanol, in microorganisms at levels approaching or higher than the microorganism's toxicity threshold. Specifically, the method for recovering a product alcohol from a fermentation broth comprises: providing a fermentation broth comprising a microorganism, wherein the microorganism produces product alcohol; contacting the fermentation broth with at least one extractant; and recovering the product alcohol, wherein the at least one extractant is selected from C7 to C22 fatty alcohols, C7 to C22 fatty acids, esters of C7 to C22 fatty acids, C7 to C22 fatty aldehydes, C7 to C22 fatty amides, and mixtures thereof, and wherein extraction of product alcohol is monitored by real-time measurements of phase separation by measuring rate of phase separation and/or extractant droplet size.