Methods and apparatus for recycling tail gas in syngas fermentation to ethanol

The invention present provides a method (and suitable apparatus) to convert biomass to ethanol, comprising gasifying the biomass to produce raw syngas; feeding the raw syngas to an acid-gas removal unit to remove at least some CO2 and produce a conditioned syngas stream; feeding the conditioned syng...

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Bibliographische Detailangaben
Hauptverfasser:	Hohman, Jerrod, Winter, John D
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CARBURETTING AIR OR OTHER GASES CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FUELS LUBRICANTS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE SEPARATION SPIRITS TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING VINEGAR WINE
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