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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. gallons US).
The Ways2H approach converts the world’s worst waste, including medical waste, municipal solid waste, plastics, agricultural residue and/or wastewater sludge into renewable hydrogen, with a net zero-carbon footprint. Ways2H Inc.,
The University of California, Davis announced the appointment of Professor Nicole Woolsey Biggart of the university’s Graduate School of Management to the Chevron Chair in Energy Efficiency. Professor Biggart joined the UC Davis Graduate School of Management in 1981, and she was awarded the Jerome J. Chevron Corp.
A research report submitted to the California Legislature this week by the University of California, Davis’ Institute of Transportation Studies proposes switching EVs to a mileage-based road-funding fee (road user charge, RUC) while continuing to have gasoline-powered cars pay gasoline taxes.
2,3BD is a key chemical building block used to make polymers, plastics and hydrocarbon fuels; it can be readily converted to intermediaries such as butenes, butadiene and methyl ethyl ketone that are used in the production of hydrocarbon fuels and a variety of chemicals including polymers, synthetic rubbers, plastics and textiles.
Replacing a gasoline-powered ride-hailing vehicle with an electric vehicle can deliver three times the carbon benefits of a personally owned electric vehicle, according to a study by a University of California, Davis, researcher of Uber and Lyft data. The paper is published in the journal Nature Energy.
Research from the Institute of Transportation Studies, University of California at Davis (ITS-Davis) suggests it will take more than a reasonable price and good information to get consumers to make more sustainable transportation choices, such as the purchase of a plug-in hybrid electric vehicle (PHEV). ” —Jonn Axsen.
Nikola Corporation announced that an institutional investor has agreed to make a $200-million investment in Nikola through the purchase of Convertible Senior Notes. Funds advised by Antara Capital LP have agreed to purchase $200 million aggregate amount of 8.00% / 11.00% Convertible Senior Notes due 2026. —Nikola CFO Kim Brady.
Harvesting and converting the cob to ethanol reduces both the BW and GW intensities by 13%. Volumetric estimates of GW and BW may be converted using characterization factors to provide “stress-weighted” or “ecosystem-equivalent” water footprint estimates that can be compared across regions.
The funding will help Sierra Energy further develop and commercialize its FastOx gasification technology, which converts virtually any waste into clean, renewable energy and fuels without burning. Sierra Energy was founded in Davis, California in 2004. Waste is fed into the top of the gasifier vessel through an airlock.
Uranium in nuclear fuel rods is in a chemical form that is “pretty insoluble” in water, said Professor Alexandra Navrotsky, UC Davis, corresponding author on the paper, unless the uranium is oxidized to uranium-VI—a process that can be facilitated when radiation converts water into peroxide, a powerful oxidizing agent.
Strong utilization on the campuses of UC Davis and California State University - Sacramento has led to consumer and business demand in the city, making it possible for Zipcar to invest in Sacramento and make it our 26 th metro market. —Zipcar President Mark Norman.
The cleaned syngas is conditioned, modified and converted to methanol, which is then converted to gasoline via the licensed ExxonMobil Research and Engineering methanol-to-gasoline (MTG) process. Other key elements include Selexol acid gas removal and Davy Process Technology (methanol synthesis).
The research group led by Mark Davis, the Warren and Katharine Schlinger Professor of Chemical Engineering at Caltech, describes the new, four-reaction process in an open access paper in the Proceedings of the National Academy of Sciences (PNAS). —Mark Davis. The work was funded by a donation from Mr. and Mrs. Lewis W.
Researchers from UC Davis and the Massachusetts Institute of Technology have uncovered more detail about the functioning of cobalt as a water-splitting catalyst. David Britt, professor of chemistry at UC Davis. Earlier post.). Earlier post.). This got a lot of attention from the chemistry community, but no one knew how it worked. —R.
The success of this particular advance builds on earlier work by members of this team ( earlier post , Davis et al. polyborazylene, PB) can be converted back to AB nearly quantitatively by 24-hour treatment with hydrazine (N 2 H 4 ) in liquid ammonia (NH 3 ) at 40 °C in a sealed pressure vessel. Davis, David A. Science Vol.
This process allows all the carbon within the sugar to be converted to FAME, which will allow these lipids—used to produce sustainable aviation jet fuel (SAF)—to be generated at lower cost and with fewer feedstock, resource, and land requirements. University of California, Davis. INvizyne Technologies, Inc. ZymoChem, Inc.,
Acetogens have several advantages to yeast: they convert all xylose (C 5 ) and glucose (C 6 ) sugars and tolerate all breakdown products of biomass; they operate in harsh environments; and they produce no CO 2 as a by-product. For the ethanol process, the acetic acid is then converted to an ester which is then hydrogenated to make ethanol.
University of California, Davis was awarded $900,000 to investigate emissions and leakages within California’s natural gas infrastructure. Anaergia Services of Carlsbad received $395,121 to demonstrate a process which will convert green waste into renewable natural gas. The project includes $437,093 in match funding from Anaergia.
million metric tons of commercial-grade methanol per year and will have the necessary facilities to convert methanol to automotive gasoline in the future. The plant will utilize steam reforming and methanol synthesis technologies from Johnson Matthey Davy Technologies Limited. The Big Lake Fuels LLC facility will produce 1.4
Mascal and Nikitin have previously reported on a biphasic acid/solvent process that converts carbohydrates in biomass feedstocks into the biofuel precursor CMF. A paper on their method was published online 12 February in the ACS journal Energy & Fuels. Earlier post.)
One program, Reducing Emissions using Methanotrophic Organisms for Transportation Energy (REMOTE, earlier post ), provides $34 million to 15 projects to find advanced biocatalyst technologies that can convert natural gas to liquid fuel for transportation. University of California, Davis. Multicopper Oxidases for Methane Activation.
According to Sandia biochemist Ryan Davis, a typical algae operation might grow 1 gram of biomass per liter (0.04 Sugar is easy, compared to biomass, to convert into a wide variety of chemicals and fuels. —Ryan Davis. But unlike algae, these marine cyanobacteria excrete sugars directly into the water where they grow.
The enzymes could now potentially be used to sustainably convert wood biomass into valuable chemical commodities such as biofuels. A paper on their discovery is published in the journal Nature Chemical Biology.
It is a scientific partnership led by Lawrence Berkeley Lab and includes the Sandia National Laboratories, the University of California campuses of Berkeley and Davis, the Carnegie Institution for Science, and Lawrence Livermore National Laboratory. Khudyakov, Patrik D’haeseleer, Sharon E. Borglin, Kristen M.
Researchers used reductive etherification chemistry to convert alcohol and ketone substrates derived from microbial carboxylic acids into an ether bioblendstock for use when blended into conventional diesel fuel. Huq, Davis R. Production of renewable diesel bioblendstocks through reductive etherification of alcohols and ketones.
In traditional processes, the algae produce lipids that get converted into fuels. By applying certain processing techniques, microalgal biomass can produce carbohydrates and proteins in addition to lipids, and all of these can be converted into co-products. Knoshaug, Ryan Davis, Lieve M.L. Source: Dong et al. Click to enlarge.
In some algal biofuel production methods, lipids are extracted from algae and converted to renewable diesel, while the non-lipid components of the algae are converted to biogas. The study is published in the journal Algal Research. The carbohydrate-rich stream, produced via acid hydrolysis, is fermented to ethanol.
coli doesn’t waste energy making excess fat, but by cleaving fatty acids from their carrier proteins, we’re able to unlock the natural regulation and make an abundance of fatty acids that can be converted into a number of valuable products. coli can directly convert biomass into biodiesel. Normally E. Further, we engineered our E.
EPA’s decision was based largely on a DOE study of the effects of E15 on durability of catalytic converters, the primary pollution control system in a vehicle. —Pat Davis. In response, the US Department of Energy (DOE) and the Renewable Fuels Association charged that the study was fundamentally flawed. Earlier post.)
The project will develop a new device called the Galloping Hydrokinetic Energy Extraction Device that will convert fast-moving river currents into an oscillating motion that will drive a dielectric elastomer generator (DEG). Pueblo, Colorado) will design, construct and test a laboratory-scale model of the Cycloidal Wave Energy Converter.
A study by a team from the National Renewable Energy Laboratory (NREL) and Oak Ridge National Laboratory (ORNL) has found that the amount of sugars contained within cellulosic biomass from bioenergy crops that can be converted into fuels is of equal economic importance to the yield. Davis, M.F., Happs, R.M., Bartling, A.W., Doeppke, C.,
Chemical catalysis then converts the harvested aldehydes to alcohols or other chemicals. As fuel substitutes, higher alcohols have several advantages over ethanol, including higher energy density, lower hygroscopicity, and lower vapor pressure leading to better air quality. of the total US CO 2 emissions, the EPA said.
The Antarctic ozone hole forms when extremely cold conditions, common in the winter Antarctic stratosphere, trigger reactions that convert atmospheric chlorine from human-produced chemicals into forms that destroy ozone. The same ozone-loss processes occur each winter in the Arctic. Santee, Markus Rex, Nathaniel J. Livesey, Michael C.
A rapidly growing, widely adaptable crop, sweet sorghum accumulates in the stem high concentrations of sucrose that can be efficiently converted to ethanol, making this a valuable candidate bioenergy feedstock. Luca Comai, University of California, Davis. Creation and High-precision Characterization of Novel Populus Biomass Germplasm.
Plant biomass can be broken down to monosaccharides (saccharification) and converted to fuels. The alteration of the switchgrass does allow us to use less energy in our pre-treatments to achieve high sugar yields as compared to the energy required to convert the wild type plants. Chuck G S et al. PNAS 2011;108:17550-17555.
Today’s technologies for making biofuels all rely on photosynthesis—either indirectly by converting plants to fuels or directly by harnessing photosynthetic organisms such as algae. This process is less than 1% efficient at converting sunlight to stored chemical energy. Easel Biotechnologies, UC Davis). Engineering E.
Metabolic flux is a measurement of the enzymes and reaction activities taking place along a given metabolic pathway as an organism converts its food (such as sugars) into energy and end-products (such as ethanol). The JBEI researchers were able to complete their metabolic studies on G. thermoglucosidasius in less than two weeks. Tang et al.
coli engineered to convert glucose into biodiesel in the form of fatty acid ethyl ester (FAEE) with a yield of 9.4% The team sought to develop a control system that would make the process of improving yields easier by dynamically balancing the enzymes responsible for producing the product. The researchers selected a biosynthetic strain of E.
fermentation) is often necessary to convert biomass to industrially useful products, such as ethanol and butanol, to desirable food and medicinal products. —Workshop report. May 2010 Workshop held at the University of California, Davis, to discuss challenges in metabolomics. A Report on the Joint NSF and JST Workshop.
The plant was originally fueled by coal but was converted to natural gas in 2010. Unlike the more common fatty-acid methyl ester process, which cannot tolerate high fatty acid concentrations, the patented Endicott Process employed at Sabine utilizes free fatty acids to produce BD via reactive distillation using the Davy process.
Other studies have shown the ability to convert CO 2 primarily to methane with a distribution of other hydrocarbons ( earlier post as one example). Davis and Heather D. Future research will focus on determining the proposed reaction mechanism and corroborating the hypotheses. Dorner, Dennis R. Hardy, Frederick W. Williams, Burtron H.
Biofuel producers home in on genes linked to high polysaccharide levels, allowing wood to be more easily converted to biodiesel or jet fuel. Davis, Chris Smith, Fikret Isik, Ronald Sederoff & Vincent L. The model tracks 25 key wood traits. For timber, density and strength are paramount. Ducoste, John Ralph, Hou-Min Chang, David C.
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