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Researchers from the University of Michigan and McGill University in Canada report photochemical syngas synthesis using a core/shell Au@Cr 2 O 3 dual cocatalyst in coordination with multistacked InGaN/GaN nanowires (NWs) with the sole inputs of CO 2 , water, and solar light. mol/g cat /h with widely tunable H 2 /CO ratios between 1.6
Researchers at the University of Oxford have developed a method to convert CO 2 directly into aviation fuel using a novel, inexpensive iron-based catalyst. Fe 5 C 2 by CO 2 /water in the first hours of the catalytic reaction. An open-access paper on their work is published in the journal Nature Communications. Fe 5 C 2 respectively.
Researchers at the University of Cambridge, with colleagues at the University of Tokyo, have developed a standalone device that converts sunlight, carbon dioxide and water into formic acid, a carbon-neutral fuel, without requiring any additional components or electricity. —senior author Professor Erwin Reisner. —Dr Wang.
Researchers at the Department of Energy’s Pacific Northwest National Laboratory have developed a new method to convert captured CO 2 into methane, the primary component of natural gas. Different methods for converting CO 2 into methane have long been known. Using EEMPA instead reduces the energy needed to fuel such a reaction.
This work will see Twelve converting CO 2 to CO, which will in turn be converted by LanzaTech’s proprietary microbe to isopropyl alcohol (IPA). This approach is highly scalable and could ultimately produce ethanol at an industrial scale, while simultaneously eliminating CO 2 emissions.
A team of researchers from Canada and the US has developed a system that quickly and efficiently converts carbon dioxide into simple chemicals via CO 2 electrolysis. 2020) “CO2 electrolysis to multicarbon products at activities greater than 1 A cm -2.” —García de Arquer. Resources. Pelayo García de Arquer et al. Science Vol.
Audi’s latest e-fuels project is participation in a a pilot plant project in Dresden that produces diesel fuel from water, CO 2 and green electricity. The sunfire plant, which operates according to the “power-to-liquid” (PtL) principle, requires carbon dioxide, water and electricity as raw materials. Click to enlarge.
The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. Photosynthesis is the process by which chloroplasts in plants and some organisms use sunlight, water and carbon dioxide to create food or energy.
Under illumination for 6 hours, the optimized reduced titania-Cu 2 O photocatalyst enables 0.13% photoreduction of highly diluted CO 2 with water vapors to 462 nmol g ?1 What if we drew inspiration from photosynthesis, the process by which plants use sunlight to convertCO2 and water into useful chemicals?
HyCOgen, Johnson Matthey’s Reverse Water Gas Shift technology, is a catalyzed process to convert green hydrogen and CO 2 into carbon monoxide (CO), which is combined with additional hydrogen to form synthesis gas (syngas), a crucial building block in the manufacture of fuels and chemicals.
The Swiss company Climeworks is building the world’s largest direct air capture (DAC) and storage facility for converting atmospheric CO 2 to rock in Iceland. Water from the Hellisheiði power plant then flows through the facility and transports the carbon dioxide roughly 2,000 meters below the surface of the Earth.
A number of approaches for converting CO 2 to methanol (CH 3 OH) have been developed. The RWTH Aachen team pursued a new approach to obtain methanol by the hydrogenation of CO2 with elemental hydrogen in an homogeneous process—i.e., the catalyst and the reactants are in the same phase, a solution.
The Audi e-gas plant, which can convert 6MW of input power, utilizes renewable electricity for electrolysis to produce oxygen and hydrogen. Water and oxygen are the only by-products. At this facility, microorganisms use water (brackish, salt or wastewater) sunlight and carbon dioxide to produce high-purity fuels. Earlier post.).
Scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) have demonstrated a new technique, modeled after a metabolic process found in some bacteria, for converting CO 2 into liquid acetate, a key ingredient in “liquid sunlight” or solar fuels produced through artificial photosynthesis.
The EU-funded SOLAR-JET project has demonstrated the production of aviation kerosene from concentrated sunlight, CO 2 captured from air, and water. Red arrow indicates ceria reduction (oxygen evolution); blue arrow indicates oxidation (fuel production). Click to enlarge.
Researchers from SRI International (SRI) are developing a methane-and-coal-to-liquids process that consumes negligible amounts of water and does not generate carbon dioxide. The syngas is converted into methanol, which is then processed to make transportation fuels—in the case of the DARPA challenge, JP-8 (military distillate fuel).
Scientists in the US and China have developed a new low-temperature catalyst for producing high-purity hydrogen gas while simultaneously using up carbon monoxide (CO) via the water-gas shift (WGS) reaction. Its synergy with adjacent Mo sites in α-MoC can effectively activate water at low temperature. —Yao et al.
By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. A paper on their work appears in the Journal of the American Chemical Society. Ding et al.
The process of methanol synthesis requires the input of pure carbon dioxide and hydrogen from water electrolysis, with the only by-product being oxygen and water. The production of green methanol requires a renewable carbon source from PCC’s silicon metal plant in Iceland and renewable power from Landsvirkjun´s power stations.
The process is safer, simpler and less expensive than previous methods to convert CO 2 to a useful product, said Krishnan Rajeshwar, interim associate vice president for research at UT Arlington and one of the authors of a paper recently published in the RSC journal Chemical Communications. —Ghadimkhani et al. —Krishnan Rajeshwar.
Because so much energy is lost turning steam back into water in the Rankine cycle, at most a third of the power in the steam can be converted into electricity. For this test, the engineers heated up the CO 2 using an electrical heater, fairly similar to a home water heater. Importance of advanced power electronics.
ReactWell will bring ORNL’s electrochemical process, which converts carbon dioxide directly into ethanol ( earlier post ), into the company’s existing conversion solution known as the ReactWell process. The ReactWell process is a research and development project involving a reaction that converts organic material to synthetic crude oil.
Simultaneously, the same device can dissociate water (H 2 O) to hydrogen (H 2 ) and oxygen (O 2 ). in power plants), or converted to liquid fuel (e.g., The second technology involves a new method of using very high temperatures for the dissociation of carbon dioxide to carbon monoxide and oxygen. The mixture of CO and H 2 —i.e.,
Jacob Karni, also makes it possible to dissociate water (H 2 O) to hydrogen (H 2 ) and oxygen (O 2 ) at the same time it dismantles the CO 2. This method, developed at the Weizmann Institute by Prof.
Partners of the P2X Kopernikus project on the premises of Karlsruhe Institute of Technology (KIT) in Germany have demonstrated the production of fuel from air-captured CO2 using—for the first time—a container-based test facility integrating all four chemical process steps needed to implement a continuous process.
A research team has developed a new artificial photosynthesis device component with remarkable stability and longevity as it selectively converts sunlight and carbon dioxide into two promising sources of renewable fuels: ethylene and hydrogen. We knew it was unstable—but we were surprised to learn just how unstable it really is.
launched the Nissan Zero Emission Fund, a new fund for individual Nissan electric vehicle (EV) owners in Japan which converts the amount of CO 2 emissions that are offset by driving the 100% electric Nissan LEAF to generate credits. Flows for the Zero Emission Fund. Click to enlarge. Nissan Motor Co.,
Supposing that the moisture is removed by using water-proof films (which is known to fatally deteriorate electrolyte and lithium anode), CO 2 should have the most influence on the chemistry of the Li?air air battery. air cell among the various constituents of air. 3 V cannot activate electrochemical reactions involving these gases and Li.In
Joule has engineered photosynthetic biocatalysts that convert waste CO 2 into hydrocarbons through a patented, continuous process. The company’s Helioculture platform uses the engineered photosynthetic microorganisms as living catalysts to produce fuel, not as intermediates to produce lipids or sugars that are subsequently converted to fuel.
Researchers at the KAIST Graduate School of EEWS (Earth, Environment, Water and Sustainability) in South Korea have demonstrated the direct recovery of methane from massive methane hydrates (MHs), artificial MH-bearing clays, and natural MH-bearing sediments using either CO 2 or a CO 2 /N 2 gas mixture (20?mol?% of CO 2 and 80?mol?%
high overpotentials are needed to convert CO 2 because the first step in CO 2 conversion is the formation of a “CO 2 ? formation is very negative in water and in most common solvents. for formation of the “CO2 ? Twenty years ago, Bockris and co-workers proposed that. intermediate. In this context the term “CO 2 ? ” inefficient.
MIT researchers have developed a new system that could potentially be used for converting power plant emissions of carbon dioxide into carbon monoxide, and thence into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks for a wide variety of products. Ghoniem’s lab is exploring some of these options.
In ammonia plants, hydrogen is generated by steam-methane reforming (SMR) and water-gas shift (WGS) and, subsequently, is purified for the high-pressure ammonia synthesis. Ammonia, produced via the Haber-Bosch (HB) process, is globally the leading chemical in energy consumption and carbon dioxide emissions.
First, the vehicle’s flue gases in the exhaust pipe are cooled down and the water is separated from the gases. That liquid is stored in a tank and can then be converted back into conventional fuel at the service stations using renewable electricity. In their study, the scientists used the example of a delivery truck.
At this moment, it is very important to render the GTL technology more efficient because we do not need to disturb ourselves to change the energy-related infrastructure and the transportation vehicles already fitted to petroleum if we can effectively convert natural gas to the clean liquid fuels and useful basic chemicals. —Zhang et al.
The resulting CO can be used to convertwater to hydrogen via the water gas shift reaction. The reaction also shows a new economical way to oxidize aromatic aldehydes, and could be applied in pharmaceutical synthesis. A paper on the work was published online 29 December in the Journal of the American Chemical Society.
volts versus the reversible hydrogen electrode) in CO-saturated alkaline water. For the Nature study, Kanan and Li built an electrochemical cell: two electrodes placed in water saturated with carbon monoxide gas. The challenge was to find a cathode that would reduce carbon monoxide to ethanol instead of reducing water to hydrogen.
OCOchem transforms recycled CO 2 , water and zero-carbon electricity to produce formic acid, a globally traded commodity chemical and emerging electro-fuel. We are converting common industrial waste streams into product streams —Todd Brix.
Over the past few months, we have converted it to DME together with our partner FPT. In addition, the valves and valve seat inserts were converted to materials suitable for DME. Dimethyl ether (DME) can be produced from hydrogen and CO2. Water is formed as a by-product. —project leader Patrik Soltic.
The latter technology is based on the use of capacitive electrode cell pairs; similar to those used in supercapacitors or in capacitive deionization (CDI) for water desalination. In all experiments, the flow of the CO 2 -flushed water through the device was alternated with the flow of air-flushed water. M MEA solution.
Evonik and Siemens Energy commissioned a pilot plant—sponsored by the German Federal Ministry of Education and Research (BMBF)—that uses carbon dioxide and water to produce chemicals. It consists of a CO electrolyzer, developed by Siemens Energy, a water electrolyzer and the bioreactor with Evonik’s know-how.
The CO 2 will then be pulled to the surface and fed into a turbine that converts heat into electricity. Between five and ten percent of the water injected in these systems is lost as it travels through the pore spaces. As this happens, more water must be added, perhaps from municipal sources that have little to spare.
Researchers at MIT have identified , quantified, and modeled a major reason for the poor performance of electroreduction processes to convert CO 2 to fuel or other useful chemicals. The findings could spur progress on developing a variety of materials and designs for electrochemical carbon dioxide conversion systems.
Scientists at ETH Zürich and oil and gas company Total have developed a new catalyst that efficiently converts CO 2 and hydrogen directly into methanol. It is possible to convert it into fuels and a wide variety of chemical products, including those that today are mainly based on fossil resources.
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