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With efficiencies above 90%, Topsoe’s proprietary SOEC electrolyzers offer superior performance in electrolysis of water into hydrogen—e.g., Solid oxide electrolysis cell (SOEC) technology is attractive because of unrivaled conversion efficiencies—a result of favorable thermodynamics and kinetics at higher operating temperatures.
Researchers at Stanford University have shown that porous polymer encapsulation of metal-supported catalysts can drive the selectivity of CO 2 conversion to hydrocarbons. CO 2 (black and red) and hydrogen molecules (blue) react with the help of a ruthenium-based catalyst. We can create gasoline, basically. —Zhou et al.
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%
In a commentary in the journal Joule , Rob McGinnis, founder and and CEO of Prometheus , a company that is developing technology to remove carbon dioxide from the air and turn it into fuels, discusses the technology advances that could lead to the potential price-competitiveness of renewable gasoline and jet with fossil fuels.
Ethanol conversion to hydrocarbons as a function of temp. Fractional collection of the fuel product allows for the different fractions to be used as blendstock for gasoline, diesel, or jet fuel. The technology will result in higher yields to gasoline, jet fuel and diesel products and is expected to prolong the life of vehicles.
Qingjie Ge at the Dalian Institute of Chemical Physics in China has developed an efficient, stable, and multifunctional Na-Fe 3 O 4 /HZSM-5 catalyst for the direct production of gasoline-range hydrocarbons from CO 2 hydrogenation. The gasoline fractions are mainly isoparaffins and aromatics, thus favoring the octane number.
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. Tags: Bio-hydrogen Biotech HydrogenHydrogen Production.
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. Gray, Steven R. Saunders, M.
With increased availability and reduced cost of bio-ethanol, conversion of this particular bio-based feedstock to highly valuable fuels and chemicals has been an especially important research goal. Isobutene also reacts with alcohols such as ethanol to form ethyl tert-butyl ether (ETBE), a gasoline additive.
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. The obtained gasoline was rich in trimethylpentane (isooctane), with the RON of 95.4. from biomass-derived ?-valerolactone
This enables the production of gasoline, diesel, and jet range fuels and other co-products such as heating oil and chemicals. All of the processes listed above require a hydrogenation step that utilizes either hydrogen gas or a surrogate hydrogen source. where biomass is liquefied with near-super critical water); and.
a provider of licensable commercial micro-crop technology globally, has entered into an agreement with CRI Catalyst Company LP (CRI) to use Integrated Hydropyrolysis and Hydroconversion technology (IH 2 ) for the conversion of PetroAlgae’s micro-crop residues into renewable fuels. PetroAlgae Inc., Earlier post.).
The branched-chain selectivity in C 6+ and nonnecessity of H 2 give this route advantage in high-octane gasoline blendstock production. Additional hydrogen sources or noble metal catalysts are not needed, which shows advantage over the reported ethanol, I/ABE, or acetone condensation routes. Zhou et al. —Zhou et al.
A team from Shiraz University in Iran is proposing a novel reactor configuration for Fischer-Tropsch synthesis (FTS) that utilizes a fixed-bed water perm-selective membrane reactor followed by a fluidized-bed hydrogen perm-selective membrane reactor. The concept (FMFMDR) produces gasoline from synthesis gas. —Rahimpour et al.
D-EGR is a SwRI-developed gasoline engine concept that uses in-cylinder fuel reforming to produce CO and H 2 (with Research Octane Numbers of 106 and 130, respectively) and high levels of recirculated gas (EGR) to achieve very high levels of thermal efficiency. liter gasoline direct injection engine. The engine conversion.
Strategy for the conversion of solid cellulose to liquid hydrocarbon fuels. The new paper describes the extension of this route from solid biomass (cellulose) to liquid hydrocarbon fuels (diesel and gasoline) by developing a cascade approach. 2010) Conversion of cellulose to hydrocarbon fuels by progressive removal of oxygen.
Gas chromatograph traces of conventional 87 octane gasoline (top) and CoolPlanetBioFuels drop-in gasoline produced from corn cobs. Two fractionators in a module can produce one million gallons of gasoline per year, with capex of $0.50/gallon Source: CoolPlanetBioFuels. Click to enlarge. gallon to install—i.e.,
The authors highlight three possible strategies for CO 2 conversion by physico-chemical approaches: sustainable (or renewable) synthetic methanol; syngas production derived from flue gases from coal-, gas- or oil-fired electric power stations; and photochemical production of synthetic fuels. This same analysis (Pearson et al.
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.
A team from Washington State University (WSU) and the Gas Technology Institute have used an ethanol and water mixture and a small amount of electricity in an electrochemical conversion system to produce pure compressed hydrogen. This is a new way of thinking about how to produce hydrogen gas. —Kee et al.
A study by a team at the University Putra Malaysia concluded that the gasification of empty fruit bunch (EFB), a waste of the palm oil industry, could, if scaled up, produce hydrogen at a supply cost of $2.11/kg The US Department of Energy (DOE) 2015 cost target for hydrogen is $2.00-$3.00/kg The feedstock particle size of 0.3–0.5
DHL Supply Chain and London Stansted Airport recently signed agreements to participate in Hydrogen On Site Trials (HOST) of ITM Power’s transportable high pressure hydrogen refuelling unit (HFuel). Hydrogen Refuelling Station (HFuel) is a self-contained module suitable for refuelling hydrogen-powered road vehicles and forklift trucks.
(SoCalGas) is partnering with a development team to advance a new process that converts natural gas to hydrogen, carbon fiber, and carbon nanotubes. In addition, this technology will virtually eliminate CO 2 emissions from the methane-to-hydrogen process. The CRADA will fund PNNL and WVU to develop the technology.
OWI Science for Fuels GmbH, TU Bergakademie Freiberg and RWTH Aachen University are investigating Methanol-to-gasoline (MtG) production for opportunities to optimize the process to produce ideal MtG fuels. Synthetically produced methanol-to-gasoline could be a carbon-neutral fuel option for passenger cars.
Left, global light-duty fleet in the electric-favoring case; right, the hydrogen-favoring case. In both electric- and hydrogen-favoring cases, availability of low-carbon electricity and hydrogen prolonged the use of petroleum-fueled ICE vehicles. Top, without CCS and CSP; bottom, with CCS and CSP. Credit: ACS, Wallington et al.
The electrochemical conversion of ammonia to dinitrogen in a direct ammonia fuel cell (DAFC) is a necessary technology for the realization of a nitrogen economy. During World War II, it was used in automobiles, and scientists today are considering ways to burn it in engines as a replacement for gasoline, particularly in the maritime industry.
million for new hydrogen refueling stations in 25 selected areas. The goal is to expand the network of publicly accessible hydrogen fueling stations to serve the current population of fuel cell vehicles (FCVs) and to accommodate the planned large-scale roll-out of FCVs commencing in 2015. million, whichever is less.
Methanol-to-gasoline process flow diagram. The resulting methanol would be blended with crude and transported via the trans-Alaska oil pipeline to Valdez, where it would be extracted from the oil and processed via Methanol-to-Gasoline technology into gasoline. Gasoline could be delivered from Valdez at $2.65 Source: EMRE.
Towards this, Toshiba said it will further improve the conversion efficiency by increasing catalytic activity, with the aim of securing practical implementation in the 2020s. However, their low level of light utilization efficiency drags down the energy conversion efficiency, and practical application requires increased efficiency.
Researchers in China have developed a one-pot process for the direct conversion of cellulose to ethanol with a yield of 43.2 Herein, we report the one-pot direct conversion of cellulose to ethanol over a multi-functional catalyst Mo/Pt/WO x (2 —Yang et al. A paper on their work is published in the journal Joule. Yang et al.
announced the successful performance testing of its novel catalyst to transform greenhouse gases into gasoline. The key features we have confirmed in our tests are high conversion efficiency and potential for catalyst longevity, which translates directly into commercial viability. Carbon Sciences, Inc. Earlier post.).
Vertimass LLC, a California-based start-up company, has licensed an Oak Ridge National Laboratory (ORNL) technology that directly converts ethanol under moderate conditions at one atmosphere without the use of hydrogen into a hydrocarbon blend-stock for use in transportation fuels. the limitation on ethanol content in gasoline].
Researchers from Japan and Mexico have developed a one-step hydrotreatment process over catalysts containing Ni-Mo and solid acids for the conversion of vegetable oils (Jatropha, palm and canola) to renewable diesel and LPG fuels. A paper on their work appears in the ACS journal Energy & Fuels.
Current case design block flow diagram of thermochemical gasoline from biomass-derived methanol and the methanol-to-gasoline process. Gasoline has a higher energy content than ethanol.) Source: NREL. Click to enlarge. gallon US ($0.52/liter). gallon US ($0.52/liter). gallon ($0.37/liter). per gallon ($0.41 per liter) and $1.49
mΩ m 2 ) cells in a batch-fed mode, alternating high CO 2 and hydrogen (H 2 ) availability to promote the production of acetic acid and ethanol. by interrupting CO 2 supply and maintaining specific pH and hydrogen partial pressure conditions. Romans-Casas et al. Solventogenic butanol production was triggered at a pH below 4.8
Partners from Germany and Finland in the SOLETAIR project are building a compact pilot plant for the production of gasoline, diesel and kerosene from solar energy, regenerative hydrogen and carbon dioxide. The plant will be compact enough to fit into a shipping container. The plant consists of three components.
Adding nickel and co-feeding H 2 increased gasoline yield 32% relative to a conventional catalyst. By incorporating nickel onto a base commercial FCC (fluid catalytic cracking) Ecat (equilibrium catalyst) and co-feeding hydrogen into the reaction system under realistic FCC operations (525 °C, 1.1 Credit: Rao et al. Click to enlarge.
The bio-naphtha can be used as a feedstock for producing bioplastics, for example, and as a biocomponent for gasoline. Conversely, moderate temperatures and catalysts with mild acid sites are needed if middle distillates are the desired product. The yield of green gasoline can also be. —Sotelo-Boyás et al.
million for 12–24 month projects with industry and academia ( DE-FOA-0000966 ) in support of innovations in fuel cell and hydrogen fuel technologies. Fuel cell–based electrochemical conversion devices for stationary energy storage (TRL 2- 5). Hydrogen infrastructure (TRL 9-10). Earlier post.).
EPFL scientists have devised a solution for the reversible conversion of hydrogen gas into formic acid (a liquid) for easier storage and transport. Gabor Laurenczy’s team has already developed a process for transforming formic acid into hydrogen gas. The simple system is based on two chemical reactions. Séverine Moret, Paul J.
The mobile chemical pilot plant produces gasoline, diesel, and kerosene from regenerative hydrogen and carbon dioxide. An electrolysis unit developed by Lappeenranta University of Technology (LUT) uses solar power to produce the required hydrogen. The pilot plant has a production capacity of up to 80 liters of gasoline per day.
The ethers can be used as cetane-improvers in diesel fuel, while the olefins can be hydrogenated and blended with gasoline or oligomerized and hydrogenated to jet-range paraffins. Olefin oligomerization is assumed to be 80% selective to jet-range olefins, which can be fully hydrogenated to paraffins. Eagan et al.
Audi remains convinced of the potential of the fuels e-gas, “e-benzin” (e-gasoline) and e-diesel and is continuing to pursue its e-fuels strategy. galons US), the largest batch yet produced—of synthetic Audi e-gasoline for initial engine tests. Audi “e-benzin” (e-gasoline) is essentially a liquid isooctane. Earlier post.)
In a separate process, a solid oxide electrolysis (SOEC) unit powered with green electricity splits water into hydrogen and oxygen. The hydrogen is then reacted with the carbon dioxide in two chemical processes conducted at 220 ?C gasoline with Global Bioenergies. gas) in a comparable manner; drivers of the Audi A3 Sportback g?tron
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