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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. Jet fuel synthesis via CO 2 hydrogenation initially takes place by the RWGS reaction (CO 2 ?+?H The final product is usually a crystallized material.
More than 14 tonnes of CO 2 was saved in a two-year trial involving just 11 urban trucks and vans running on green hydrogen dual fuel. That is one result of the Low Emission Freight and Logistics Trial (LEFT) project to investigate the practical deployment of hydrogen powered vehicles in the UK.
Johnson Matthey has launched HyCOgen, a technologyt designed to play a pivotal role in enabling the conversion of captured carbon dioxide (CO 2 ) and green hydrogen into sustainable aviation fuel (SAF).
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. A paper on the work is published in ChemSusChem. —Heldebrant et al.
Engineers from UNSW Sydney (Australia) have successfully converted a diesel engine to run as a dual-fuel hydrogen-diesel engine, reducing CO 2 emissions by more than 85% compared to conventional diesel. In a paper published in the International Journal of Hydrogen Energy, Prof. CO 2 reduction and 13.3% —Liu et al.
Researchers at Illinois Institute of Technology (IIT), with colleagues at the University of Pennsylvania and the University of Illinois at Chicago have developed an electrolyzer capable of converting carbon dioxide into propane in a manner that is both scalable and economically viable. —Esmaeilirad et al.
V vs. reversible hydrogen electrode (RHE), which can be maintained for at least 3?months. Now, researchers in China have developed a new electrocatalyst that yields ethanol, acetone, and n-butanol as major products with a total C 2-4 faradaic efficiency of about 49?% A paper on the development is published in the journal Angewandte Chemie.
Researchers from University of Girona (Spain) successfully used electrically efficient microbial electrosynthesis cells (MES) to convert CO 2 to butyric acid. 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. Romans-Casas et al.
On the nanowire itself, the holes oxidize water into protons (hydrogen) and oxygen. The molecules recombine into the carbon monoxide, hydrogen and methane molecules that make up syngas. Hydrogen evolution reaction was promoted by the same cocatalyst simultaneously. Image credit: Roksana Rashid, McGill University.
Pure formic acid can be obtained continuously by hydrogenation of CO 2 in a single processing unit. Walter Leitner at the RWTH Aachen University, Germany, has developed a new concept that can be used to produce pure formic acid from CO 2 in a continuous process using catalytic hydrogenation. Wesselbaum et al. Click to enlarge.
The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. However, it is difficult to convert carbon dioxide in water because many photosensitizers or catalysts degrade in water. A paper on this team’s latest work was published in Nature Catalysis.
Their work, published in a paper in the RSC’s New Journal of Chemistry , points to a catalyst in developing and designing an artificial photosynthesis system that efficiently converts carbon dioxide into organic molecules. Until now, it was not known which of these three forms is reduced and converted into formic acid.
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.” Resources. Pelayo García de Arquer et al. Science Vol. 367, Issue 6478, pp.
An international collaboration of scientists has taken a significant step toward the realization of a nearly “green” zero-net-carbon technology that can efficiently convert CO 2 and hydrogen into ethanol. —Wang et al. They also discovered why this three-part interface is successful. Xuelong Wang, Pedro J. 1c03940.
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. —Dr Wang.
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.
Researchers from Newcastle University in the UK have engineered Escherichia coli bacteria to capture carbon dioxide using hydrogen gas to convert it into formic acid. The research, accepted for publication in Applied and Environmental Microbiology raises the possibility of converting atmospheric CO 2 to commodity chemicals.
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 SOLETAIR project started in 2016.
oid=51925779">aims to offer locally CO 2 -neutral vehicles based on batteries and hydrogen in every segment by 2030. Daimler Buses plans to launch the first all-electric inter-city bus from 2025 and coaches with hydrogen-based fuel cell drive from the end of this decade. The hydrogen is used in gaseous form at a pressure of 350 bar.
The TCD process uses a novel bimetallic catalyst to produce hydrogen. Hu experimented with catalysts and processes that could cleanly convert methane into both hydrogen and carbon using catalytic pyrolysis. The chemical reaction produces hydrogen as solid carbon accumulates on the catalyst. —Xu et al.
Under the name “Green Wilhelmshaven,” Germany-based international energy company Uniper plans to establish a German national hub for hydrogen in Wilhelmshaven and is working on a corresponding feasibility study. The NH 3 splitting plant for producing green hydrogen would be the first scaled plant of its kind.
This diagram shows the new catalyst in its protonated and deprotonated states as it reversibly convertshydrogen and CO 2 gas to and from liquid formate or formic acid at ambient temperature and pressure. We were inspired by the way hydrogen bonds and bases relay protons in the active sites of some enzymes. Click to enlarge.
Reversible hydrogen storage cycle based on the redox system bicarbonate/formate. Researchers at the Leibnitz Institute for Catalysis (Rostock, Germany) have introduced a new approach to hydrogen storage that is based on simple salts of formic acid and carbonic acid. Source: Boddien et al. Click to enlarge. wt % (FA) and 2.35
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.
This development is a significant step towards the implementation of CO 2 hydrogenation technology in South Africa. For decades, Sasol has been using its Fischer-Tropsch (FT) technology to convert low-grade coal and gas into synthetic fuels and chemicals. Sasol’s suite of cobalt catalysts is highly efficient for the latter process.
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.
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.
TXE is engaged in developing a gasification facility in Beaumont, Texas that will convert petroleum coke, an oil refining waste product, into hydrogen and pipeline quality carbon dioxide. This site is uniquely suited for a gasification facility that converts waste petroleum coke into clean energy products.
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. This catalyst produces a purer form of hydrogen to feed into the fuel cell. The reaction is favored at a low working temperature.
Ben-Gurion University of the Negev (BGU) researchers are developing a process to hydrogenate carbon dioxide to produce a renewable alternative for crude oil. The BGU crude oil process produces hydrogen from water, which is mixed with carbon dioxide captured from external sources and synthetic gas (syngas).
Illustration of a novel room-temperature process to remove CO 2 by converting the molecule into CO. In the presence of the graphite, aided by the energy derived from the plasmons, carbon dioxide molecules (black dot bonded to two red dots) are converted to carbon monoxide (black dot bonded to one red dot. Credit: NIST.
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. Hydrogen generation occurs on a Ni-composite electrode, while VN-Fe is the ammonia synthesis electrocatalyst.
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.
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 Nearly 80% of that can be converted into synthetic diesel. Click to enlarge.
Researchers at the USC Viterbi School of Engineering, collaborating with the US Department of Energy’s National Renewable Energy Laboratory (NREL), have developed a mild and scalable synthesis route for a molybdenum carbide nanoparticle that can convert CO 2 into fuel. x NPs that are colloidally stable and resistant to bulk oxidation in air.
Hydrogenics Corporation will supply a 1MW electrolyzer and provide engineering expertise to a consortium of companies working on the European project MefCO2 (methanol fuel from CO 2 ) in Germany. The Hydrogenics electrolyzer will produce 200 cubic meters of hydrogen per hour. —Daryl Wilson, CEO of Hydrogenics.
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.
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.,
The new investment will boost output of fuel cell stacks and hydrogen tanks at the Toyota factory in Aichi Prefecture, adding two lines by the end of 2015. The TFCS is more energy-efficient than internal combustion engines and emits no CO2 or substances of concern (SOCs) when driven. The system accelerates Mirai from 0–60 in 9.0
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.
Starting in 2013, Audi will begin series production of TCNG models whose engines—derived from TFSI units—will be powered by e-gas: synthetic methane produced via the methanation of hydrogen produced by electrolysis using renewable electricity. achieving a neutral CO 2 balance across the entire mobility chain.
Researchers at the US Naval Research Laboratory (NRL), Materials Science and Technology Division have demonstrated novel NRL technologies developed for the recovery of CO 2 and hydrogen from seawater and their subsequent conversion to liquid fuels. The gases are then converted to liquid hydrocarbons by a metal catalyst in a reactor system.
The research, reported in the journal ACS Catalysis , suggests that copper foams could provide a new way of converting excess CO 2 into useful industrial chemicals. The foams are made by depositing copper on a surface in the presence of hydrogen and a strong electric current. Hori et al.
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