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- Bioconversion_of_biomass_to_mixed_alcohol_fuels abstract "The bioconversion of biomass to mixed alcohol fuels can be accomplished using the MixAlco process. Through bioconversion of biomass to a mixed alcohol fuel, more energy from the biomass will end up as liquid fuels than in converting biomass to ethanol by yeast fermentation.The process involves a biological/chemical method for converting any biodegradable material (e.g., urban wastes, such as municipal solid waste, biodegradable waste, and sewage sludge, agricultural residues such as corn stover, sugarcane bagasse, cotton gin trash, manure) into useful chemicals, such as carboxylic acids (e.g., acetic, propionic, butyric acid), ketones (e.g., acetone, methyl ethyl ketone, diethyl ketone) and biofuels, such as a mixture of primary alcohols (e.g., ethanol, propanol, n-butanol) and/or a mixture of secondary alcohols (e.g., isopropanol, 2-butanol, 3-pentanol). Because of the many products that can be economically produced, this process is a true biorefinery.The process uses a mixed culture of naturally occurring microorganisms found in natural habitats such as the rumen of cattle, termite guts, and marine and terrestrial swamps to anaerobically digest biomass into a mixture of carboxylic acids produced during the acidogenic and acetogenic stages of anaerobic digestion, however with the inhibition of the methanogenic final stage. The more popular methods for production of ethanol and cellulosic ethanol use enzymes that must be isolated first to be added to the biomass and thus convert the starch or cellulose into simple sugars, followed then by yeast fermentation into ethanol. This process does not need the addition of such enzymes as these microorganisms make their own.As the microoganisms anaerobically digest the biomass and convert it into a mixture of carboxylic acids, the pH must be controlled. This is done by the addition of a buffering agent (e.g., ammonium bicarbonate, calcium carbonate), thus yielding a mixture of carboxylate salts. Methanogenesis, being the natural final stage of anaerobic digestion, is inhibited by the presence of the ammonium ions or by the addition of an inhibitor (e.g., iodoform). The resulting fermentation broth contains the produced carboxylate salts that must be dewatered. This is achieved efficiently by vapor-compression evaporation. Further chemical refining of the dewatered fermentation broth may then take place depending on the final chemical or biofuel product desired.The condensed distilled water from the vapor-compression evaporation system is recycled back to the fermentation. On the other hand, if raw sewage or other waste water with high BOD in need of treatment is used as the water for the fermentation, the condensed distilled water from the evaporation can be recycled back to the city or to the original source of the high-BOD waste water. Thus, this process can also serve as a water treatment facility, while producing valuable chemicals or biofuels.Because the system uses a mixed culture of microorganisms, besides not needing any enzyme addition, the fermentation requires no sterility or aseptic conditions, making this front step in the process more economical than in more popular methods for the production of cellulosic ethanol. These savings in the front end of the process, where volumes are large, allows flexibility for further chemical transformations after dewatering, where volumes are small.".
- Bioconversion_of_biomass_to_mixed_alcohol_fuels thumbnail MixAlco_Pilot_Plant.JPG?width=300.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels wikiPageID "5634341".
- Bioconversion_of_biomass_to_mixed_alcohol_fuels wikiPageRevisionID "606300717".
- Bioconversion_of_biomass_to_mixed_alcohol_fuels hasPhotoCollection Bioconversion_of_biomass_to_mixed_alcohol_fuels.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels subject Category:Alcohol_fuels.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels subject Category:Anaerobic_digestion.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels subject Category:Biodegradable_waste_management.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels subject Category:Biomass.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels subject Category:Waste_treatment_technology.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels type AlcoholFuels.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels type Fuel114875077.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels type Matter100020827.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels type PhysicalEntity100001930.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels type Substance100020090.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels comment "The bioconversion of biomass to mixed alcohol fuels can be accomplished using the MixAlco process.".
- Bioconversion_of_biomass_to_mixed_alcohol_fuels label "Bioconversion of biomass to mixed alcohol fuels".
- Bioconversion_of_biomass_to_mixed_alcohol_fuels sameAs m.0dxdsw.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels sameAs Q4914731.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels sameAs Q4914731.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels sameAs Bioconversion_of_biomass_to_mixed_alcohol_fuels.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels wasDerivedFrom Bioconversion_of_biomass_to_mixed_alcohol_fuels?oldid=606300717.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels depiction MixAlco_Pilot_Plant.JPG.
- Bioconversion_of_biomass_to_mixed_alcohol_fuels isPrimaryTopicOf Bioconversion_of_biomass_to_mixed_alcohol_fuels.
