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A team at the University of Idaho has demonstrated that glycerol, a byproduct from biodiesel production, could be used as a substrate for producing drop-in gasoline-range biofuel. The technology of converting methanol into gasoline was discovered and commercialized more than 3 decades ago. Tropsch synthesis (FTS).
The EU-funded research project HyFlexFuel recently successfully produced biocrudes via hydrothermal liquefaction (HTL) from a variety of biomasses, including sewage sludge, food waste, manure, wheat straw, corn stover, pine sawdust, miscanthus and microalgae in a pilot-scale continuous HTL plant at Aarhus University (Denmark).
Researchers at the University of Wisconsin–Madison led by James Dumesic have developed a catalytic process to convert cellulose into liquid hydrocarbon fuels (diesel and gasoline), using a cascade strategy to achieve the progressive removal of oxygen from biomass, allowing the control of reactivity and facilitating the separation of products.
The University of Bath and SAIC Motor UK Technical Centre are collaborating on a project to identify the most efficient conditions for the optimum performance of gasoline particulate filters (GPFs), to help minimize vehicle impact on the environment.
Researchers at the University of California, Davis have developed a process for the production of branched C 7 –C 10 hydrocarbons in the gasoline volatility range from biomass-derived levulinic acid with good yield, operating under relatively mild conditions, with short reaction times. Source: Mascal et al. Click to enlarge.
Researchers from University of Girona (Spain) successfully used electrically efficient microbial electrosynthesis cells (MES) to convert CO 2 to butyric acid. In an open-access paper published in the journal Environmental Science and Ecotechnology , they reported operating the low ohmic resistance (15.7 Romans-Casas et al.
Cost of the new engine relative to gasoline baseline. So far this year, the team has integrated the T2B2 aftertreatment in the dynamometer environment and is in the process of convert the demonstration vehicle to the T2B2 configuration. Earlier post.). l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4
The Virginia Department of Mines, Minerals and Energy (DMME) and Virginia Clean Cities (VCC) at James Madison University (JMU) are requesting proposals from fleets in the southeastern US interested in converting eligible gasoline vehicles to run on propane autogas. The application deadline is Friday, 12 August 2011, at 5pm EDT.
CoolPlanet BioFuels, a start-up developing technology to convert low-grade biomass into high-grade fuels including gasoline, and carbon that can be sequestered ( earlier post ), claims it has achieved a conversion yield of 4,000 gallons gasoline/acre biomass in pilot testing using giant miscanthus, an advanced bioenergy crop.
GHG emissions for ATP shale (low and high cases) and conventional gasoline in grams of CO 2 e per MJ of final fuel delivered. times larger than emissions from conventionally produced gasoline. Among his findings were: Producing 1 MJ of reformulated gasoline from shale via the ATP requires the consumption of 0.56 Credit: ACS.
Terrabon is the developer of a carboxylic acid fermentation platform licensed from Texas A&M University for the conversion of biomass to fuel intermediates that can then be upgraded into industrial chemicals and renewable gasoline. MixAlco is an acid fermentation process that converts biomass into organic salts.
Researchers led by a team at Washington State University (WSU) have developed a unique and inexpensive nanoparticle catalyst that allows a solid-oxide fuel cell to convert logistic liquid fuels such as gasoline to electricity without stalling out during the electrochemical process. —Qusay Bkour, lead author. Saunders, M.
Researchers at Utah State University report on an engineered bacterial enzyme—a molybdenum (Mo) nitrogenase—capable of converting carbon monoxide into usable hydrocarbons in a reaction similar to Fischer-Tropsch synthesis. A open access paper on their work appears in the Journal of Biological Chemistry. Dean, and Lance C.
Researchers in China have generated gasoline fuel with a research octane number of 95.4 valerolactone (GVL)—the highest octane number reported for biomass-derived gasoline fuel—using an ionic liquid catalyst. In the study, they converted biomass-derived ?-valerolactone from biomass-derived ?-valerolactone
STG+ technology converts syngas into drop-in high-octane gasoline and jet fuel with a conversion efficiency of ~35% by mass of syngas into liquid transportation fuels (the highest documented conversion efficiency in the industry) or greater than 70% by mass of natural gas. Schematic diagram of the Primus STG+ process. Click to enlarge.
The free-piston linear generator works in a similar manner to a conventional combustion engine, but instead of converting the linear movement of the piston into the rotational movement of the crankshaft, it generates electricity directly. For example, with gasoline, the unit could use a compression ratio of 10.0:1; Earlier post.)
Researchers at the University of Bristol (UK) have developed a new family of catalysts that enables the conversion of ethanol into n-butanol—a higher alcohol with better characteristics for transportation applications than ethanol—with selectivity of more than 95% at good conversion. —Professor Duncan Wass.
Block flow diagram for the production of gasoline from lignocellulosic biomass by aqueous phase hydrodeoxygenation of a solution produced by the hydrolysis of biomass. The highest gasoline yield from this two-stage process was obtained from the stream produced by acid hydrolysis of maple wood with 0.5 Click to enlarge.
Researchers from the University of Wisconsin Madison and ExxonMobil Research and Engineering have devised a two-stage process by which an alcohol such as ethanol or 1-butanol can be converted with high yields into distillate-range ethers and olefins by combining Guerbet coupling (the coupling of two alcohol molecules) and intermolecular dehydration.
Project partners include INERATEC, a spinoff of Karlsruhe Institute of Technology (KIT), VTT Technical Research Center of Finland and Lappeenranta University of Technology (LUT). The mobile chemical pilot plant produces gasoline, diesel, and kerosene from regenerative hydrogen and carbon dioxide.
has entered into a joint development program with the Energy & Environmental Research Center ( EERC ) at the University of North Dakota (UND) in Grand Forks for converting a wide variety of biomass and waste into bio-butanol. Click to enlarge. Syntec Biofuel Inc. This is concerning, as it uses food resources to produce fuel.
One-pot process for conversion of cellulose to hexane, a gasoline component. Researchers at Tohoku University in Japan have developed a one-pot process to convert cellulose to n-hexane in the presence of hydrogen gas. According to the US Environmental Protection Agency (EPA), unleaded gasoline contains about 11.6%
The zeolite catalyst then converts these hydrogenated products into light olefins and aromatic hydrocarbons in a yield as much as three times higher than that produced with the pure pyrolysis oil. The C 6 to C 8 aromatic hydrocarbons can be high-octane gasoline additives or feedstocks for the chemical and polymer industries.
IH 2 is a new thermochemical process that employs a catalyzed fluidized bed hydropyrolysis step followed by an integrated hydroconversion step to directly convert biomass into high-quality, fungible hydrocarbon fuels. IH 2 technology has the capability to produce gasoline at a cost of less than $2.00 Earlier post.). Marker, T.
A team from the University of Wisconsin-Madison, University of Massachusetts-Amherst and Gwangju Institute of Science and Technology of South Korea has demonstrated the feasibility of using proton-exchange-membrane (PEM) reactors electrocatalytically to reduce biomass-derived oxygenates into renewable fuels and chemicals. Tompsett, G.
Authors of the paper are Rathin Datta, cellulosic ethanol company Coskata’s chief scientific officer; Mark Maher, executive director, powertrain/vehicle integration, GM Powertrain; Coleman Jones, GM biofuels implementation manager; and Richard Brinker, Dean and Professor of Forestry and Wildlife Sciences, Auburn University.
Fuzhong Zhang, assistant professor of energy, environmental & chemical engineering at Washington University in St. Louis (WUSTL) a Young Faculty Award worth $860,000 to engineer the bacterium Escherichia coli to produce gasoline-range molecules. Zhang is the first faculty member at Washington University in St. Earlier post.).
A team at South China University of Technology has developed a one-pot process to convert the diesel distillate and residual oil fractions in bio-oil into high-quality fuels by catalytic hydrocracking with combined CoMoS/Al 2 O 3 and HZSM-5 catalysts. A paper on their process is published in the journal Fuel. 2015.05.002.
In California’s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder.
Researchers at Eindhoven University of Technology (TU/e) are developing a small-scale demonstration reactor that will process 40 tons of wood waste per year from the university into replacements for diesel fuel and gasoline. This will be offered at the university pump in a 10:90 mixture with gasoline.
320-390 °C, 200-420 bar) aqueous phase process which converts biomass containing cellulose, hemicellulose and lignin into a high-octane gasoline fraction. New Oil Resources licensed the technology (US Patent 6,180,845 ) in 2009 from Louisiana State University (LSU); the original developers of the process are Drs.
A new catalytic method for converting algal oil to gasoline- or jet-fuel-range hydrocarbons has been developed by the research group of Prof. Keiichi Tomishige and Dr. Yoshinao Nakagawa from Tohoku University’s Department of Applied Chemistry, and Dr. Hideo Watanabe from the University of Tsukuba. Recently, Prof.
Researchers at Columbia University have developed a biological process utilizing autotrophic ammonia-oxidizing bacteria (AOB) for the conversion of methane (CH 4 ) to methanol (CH 3 OH). Cartoon of the process. Click to enlarge. A paper on their work is published in the ACS journal Environmental Science & Technology.
Researchers led by a team from the University of Houston have characterized the platinum group elemental composition of PM 2.5 and PM 10 emissions—mainly from gasoline-fueled light-duty vehicles (LDVs)—in the Washburn Tunnel in Houston Texas as a mechanism for better determining the contribution of LDVs to particulate emissions.
A spinout from work at the University of South Florida is developing a new Fischer-Tropsch-based (FT) process to produce hydrocarbon transportation fuels—initially jet fuel—from biomass. Instead of using an iron catalyst as in conventional FT systems, COSI Catalysts Inc. has developed a new cobalt silica-supported eggshell design catalyst.
reported that it had exceeded its target yield threshold of 70 gallons of biogasoline per dry ton of garbage received from the cafeteria dumpsters and paper shredders at Texas A&M University. was formed in 1995 to commercialize technologies developed by the Texas Engineering Experiment Station, a member of the Texas A&M University System.
Synhelion has developed a solar thermal process for the production of syngas, which is then used in standard industrial processes to synthesize liquid fuels, such as kerosene, gasoline, or diesel, that are compatible with conventional jet engines and internal combustion engines.
Researchers at the University of Tennessee at Knoxville have shown that a combination of photosystem I from a thermophilic bacterium and cytochrome-c 6 can, in combination with a platinum catalyst, generate a stable supply of hydrogen in vitro upon illumination. Schematic of the electron flow in the photosystem I catalytic nanoparticle.
Researchers at Auburn University report on the catalytic dehydration of the acetone-butanol-ethanol (ABE) mixture produced by fermentation by genetically modified Clostridium acetobutylicum. The ABE mixture can become a compatible fuel if it is transformed into a drop-in fuel for the replacement of gasoline, diesel, or jet fuel.
Fischer-Tropsch (F-T) synthesis converts syngas to liquid fuels. A team at Zhejiang University in China has investigated the influence of rare-earth metal ions promotion on the F-T synthesis of gasoline-range hydrocarbons (GRHs, C 5 –C 12 hydrocarbons). In a paper in the journal Fuel , they report that a Co/Y-? at 260 °C, 2?
coli bacteria, researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University and the Department of Systems Biology at Harvard Medical School have devised a new way to make targeted precursors of high-octane biofuels. By rerouting the metabolic pathway that makes fatty acids in E. Joe Torella, Ph.D.,
The development of the AliphaJet process was led by Dr. Ravi Randhava in collaboration with Dr. Paul Ratnasamy at the University of Louisville. AliphaJet’s BoxCar process first converts crude fat feedstock into fatty acids and glycerol. AliphaJet , Inc., a collaborative venture between SynGest Inc.
has exceeded its target yield threshold of 70 gallons of biogasoline per dry ton of garbage received from the cafeteria dumpsters and paper shredders at Texas A&M University. SoluPro is a bio-products process that converts inexpensive protein-bearing waste material into animal feed and green commercial adhesives. Earlier post.).
Testing showed that blending EEB with diesel significantly reduces soot emissions, similar to how ethanol reduces emissions when blended with gasoline. EEB can also be blended with gasoline or burned to produce electricity. Vitruvian has modeled production costs at $2.58-3.73 per gallon.
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