• Ethanol
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Genetically Modified Microorganisms with Enhanced Tolerance to Inhibitors and Stress The potential of bioenergy to replace large amounts of petroleum depends largely on whether cellulosic ethanol can be cost-competitive with gasoline. A core challenge for cost efficient ethanol production is the resistance of biomass to breakdown. Pretreatment is needed to combat biomass recalcitrance for sugar…

: Fact Sheets
: Ethanol, Cost, Stress...

BESC - Gene Deletion to Increase Ethanol Production in Clostridium Thermocellum BESC - Gene Deletion to Increase Ethanol Production in Clostridium Thermocellum Disclosure Number 201603625 Technology Summary Clostridium thermocellum can ferment lignocellulosic biomass to fuels and chemicals including ethanol, but metabolic engineering is needed to direct more substrate to ethanol. While…

: Fact Cards
: Ethanol, Biomass, Amino Acids...

Electrochemical Catalyst for Conversion of CO2 to Ethanol Disclosure Number 201403439 Technology Summary The present invention comprises a non-precious-metal electrocatalyst that can convert CO2 in water(in the form of CO2 bubbled through a carbonate solution) directly to ethanol. The process can be carried out at room temperature and a potential of up to -1.9 V, with a Coulombic eff…

Microorganisms to Speed Production of Biofuels Researchers at ORNL developed microorganisms that can quickly overcome the resistance of biomass to breakdown, and improved both the cost and efficiency of the biofuel conversion process. Conventional biomass pretreatment methods release sugars, weak acids, and metabolic by-products that slow down or even stop fermentation, resulting in slower biofu…

: Fact Sheets
: Biomass, Ethanol, Production...

Liquid Hydrocarbons from Biomass Derived Ethanol Disclosure Number 201503541 Technology Summary We report simple approaches to accomplish dramatic reduction of C2-C4 in product stream. In the first approach, the gaseous products, after collection of liquid hydrocarbons and water from ethanol conversion, are sent to a second zone in the catalyst reactor where C2-C2 olefins and paraffins …

: Fact Cards
: Hydrocarbon, Ethanol, Liquid...

Catalytic conversion of bio-mass derived ethanol into hydrocarbon blend-stock with low benzene content Catalytic conversion of bio-mass derived ethanol into hydrocarbon blend-stock with low benzene content Disclosure Number 201202942 Technology Summary We have recently demonstrated that bio-mass derived ethanol and other alcohols can be converted to hydroc…

: Fact Cards

Biofuelsupplychaininfrastructure Biofuel Supply Chain Infrastructure Optimizing the Evolution of Cellulosic Biofuel The Infrastructure Challenge of Moving to Cellulosic Ethanol The rapid growth of the corn-based ethanol industry suggests that infrastructure development was not a major limitation. Cellulosic-based advanced biofuel has a target of 21 billion gallons by 2022 and requires almost all…

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Amethod was invented at ORNL for removing inhibitor compounds from process water in biomass-to-ethanol production. This invention can also be used to produce power for other industrial processes. Large amounts of water are used in the processing of cellulosic biomass materials, so it is highly desirable to recycle used process water at the end of the fermentation process. However, the waste water…

Catalytic Conversion of Bioethanol to Hydrocarbons A method for catalytically converting an alcohol to a hydrocarbon without requiring purified or concentrated alcohol was invented by ORNL researchers. This approach can be used for relatively dilute bio-mass produced alcohols, such as those found in a biomass fermentation reactor. Conventional biomass to hydrocarbon conversion is generally not c…

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