Process and composition for controlling ethanol production

The present invention provides a process for controlling the production of ethanol by microbial fermentation of gaseous substrates. More specifically, a process is provided for controlling ethanol productivity through addition of vitamins and a low cell retention time. In accordance with the process...

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Bibliographische Detailangaben
Hauptverfasser:	PRICE, ABEL, SENARATNE, RYAN, NEUBECK, MICHAEL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention provides a process for controlling the production of ethanol by microbial fermentation of gaseous substrates. More specifically, a process is provided for controlling ethanol productivity through addition of vitamins and a low cell retention time. In accordance with the process, vitamins B1, B5 and B7 are added in amounts that increase specific ethanol productivity. Cell retention times are maintained at low levels.