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Most of us naturally associate biological CO 2 conversion with photosynthesis in plants and algae. Furthermore, the maximum efficiency of solar energy conversion by photosynthesis is 5%, while typical solar panel efficiency reaches 20%. If these are achieved, carbon yield and productivity can be greatly accelerated (e.g.,
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. None of the three components examined in the study is able to individually catalyze the CO 2 -to-ethanol conversion, nor can they in pairs.
Scientists at Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel heterostructured photocatalyst using titanium and copper, two abundant and relatively inexpensive metals, for the conversion of CO 2 into CH 4. Apart from its CO 2 conversion capabilities, the proposed photocatalyst has other benefits.
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere.
Researchers from Huazhong University of Science and Technology in China and George Washington University in the US report in a new paper in the ACS journal Accounts of Chemical Research that a range of important carbon nanomaterials can be produced at high yield by molten carbonate electrolysis. Source: Prof.
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. —Greg Smithies, Partner, BMW i Ventures. to C 2 fuel products such as ethanol.
The catalyst shows a carbon dioxide conversion through hydrogenation to hydrocarbons in the aviation jet fuel range of 38.2%, with a yield of 17.2%, and a selectivity of 47.8%, and with an attendant low carbon monoxide (5.6%) and methane selectivity (10.4%). In brief, the Fe–Mn–K catalyst shows a CO 2 conversion of 38.2%
ReactWell , LLC, has licensed a novel waste-to-fuel technology from the Department of Energy’s Oak Ridge National Laboratory to improve energy conversion methods for cleaner, more efficient oil and gas, chemical and bioenergy production. —ORNL’s Adam Rondinone, co-inventor of the carbon dioxide-to-ethanol catalyst.
Researchers at Stanford University have shown that porous polymer encapsulation of metal-supported catalysts can drive the selectivity of CO 2 conversion to hydrocarbons. To capture as much carbon as possible, you want the longest chain hydrocarbons. Chains with eight to 12 carbon atoms would be the ideal. —Zhou et al.
By converting CO 2 into products of higher value, a closed-loop carbon economy begins to emerge. What Taehee did was a set of experiments to unravel what each of these treatment steps was actually doing to the catalyst in terms of reactivity, which pointed the way to optimizing a catalyst for these multi-carbon compounds.
This will make it possible to realize a simple and compact system for capturing and converting wasted carbon dioxide from incinerators and electric generation plants, according to Panasonic. The conversion efficiency of solar energy to chemical energy was 0.03-0.04%. Hiroshi Hashiba et al. 243904 doi: 10.1063/1.4729298.
Electrofuels provider Infinium and comprehensive carbon management company Navigator CO2 entered into a Memorandum of Understanding and long-term relationship for Navigator to deliver 600,000 tons per annum (TPA) of biogenic carbon dioxide from its Heartland Greenway system to a future Infinium facility for the production of electrofuels (eFuels).
The electrocatalytic conversion of CO 2 using renewable energy could establish a climate-neutral, artificial carbon cycle. Conversion into liquid fuels would be advantageous because they have high energy density and are safe to store and transport. These could then be burned as needed. and Xiong, Y.
Moreover, it features a higher wave energy conversion efficiency and power output as compared to previous TENG designs and is able to float on the water’s surface, which minimizes both the environmental impact and simplifies operation and these features are essential for the practical use of TENGs on ocean wave energy harvesting application.
One way to mitigate high feedstock cost is to maximize conversion into the bioproduct of interest. This maximization, though, is limited because of the production of CO 2 during the conversion of sugar into acetyl-CoA in traditional fermentation processes. We get both the increase in yield and consumption of all the carbon.
By using a water-lean post-combustion capture solvent, (N-(2-ethoxyethyl)-3-morpholinopropan-1-amine) (2-EEMPA), they achieved a greater than 90% conversion of captured CO 2 to hydrocarbons—mostly methane—in the presence of a heterogenous Ru catalyst under relatively mild reaction conditions (170 °C and 2 pressure). Heldebrant, D.,
Tests conducted by Titirici Group , a multidisciplinary research team based at Imperial College London, have found that a novel carbon nanotube electrode material derived from CO 2 —produced by Estonian nanotech company UP Catalyst ( earlier post )—enhances the cyclability of sodium-ion batteries. From every 3.7
Projects selected under this funding opportunity announcement (FOA) will perform conceptual design studies followed by field validations of cost-effective processes for ocean-based carbon capture and for direct air capture of CO 2 coupled with carbon-free hydrogen and captured CO 2 to create carbon-neutral methanol.
Stuart Licht have demonstrated the first facile high-yield, low-energy synthesis of macroscopic length carbon nanotubes (CNTs)—carbon nanotube wool—from CO 2 using molten carbonate electrolysis ( earlier post ). The most compact form of captured carbon is through its transformation to solid carbon.
carbon monoxide evolving catalyst (Bi-CMEC) that can be used in conjunction with ionic liquids to convert CO 2 to carbon monoxide (CO) using electricity. Used in conjunction with ionic liquids, it effected the electrocatalytic conversion of CO 2 to CO with appreciable current density at overpotentials below 0.2
In a paper published in the journal Joule , they suggest that the results show great potential for the electrocatalytic conversion of CO 2 into value-added chemicals. Electrochemical reduction of carbon dioxide (CO 2 ) is a promising approach to solve both renewable energy storage and carbon-neutral energy cycle.
Carbon dioxide capture company AirCapture and carbon dioxide conversion company OCOchem, along with other partners, have won a $2.93-million OCOchem transforms recycled CO 2 , water and zero-carbon electricity to produce formic acid, a globally traded commodity chemical and emerging electro-fuel.
Converting CO 2 to usable fuels was the topic of a symposium— CO 2 Conversion: Thermo-, Photo- and Electro-Catalytic —on Sunday at the 246 th National Meeting & Exposition of the American Chemical Society in Indianapolis, Indiana. CO 2 chemistry: Catalytic transformation of carbon dioxide based on its activation (He et al. )
A team from the University of Illinois and startup Dioxide Materials has developed an electrocatalytic system for the reduction of CO 2 to CO—a key component of artificial photosynthesis and thus an enabler for the conversion of CO 2 to synthetic fuels—at overpotentials below 0.2 for formation of the “CO2 ? intermediate.
Researchers from the University of Illinois at Chicago (UIC) have identified molybdenum disulfide as a promising cost-effective substitute for noble metal catalysts for the electrochemical reduction of carbon dioxide. In other chemical-reduction systems, the only reaction product is carbon monoxide. —Mohammad Asadi.
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. E-CEM Carbon Capture Skid. Photo: US Naval Research Laboratory) Click to enlarge.
Scientists from ExxonMobil, University of California, Berkeley and Lawrence Berkeley National Laboratory have developed a new material that could capture more than 90% of CO 2 emitted from industrial sources using low-temperature steam, requiring less energy for the overall carbon capture process. UC Berkeley graphic by Eugene Kim).
student of the Graduate School of Science, have shown that the catalyst formate dehydrogenase reduces carbon dioxide directly to formic acid. The development of an effective catalyst is an important step in creating an artificial photosynthesis system that uses sunlight to convert carbon dioxide into organic molecules.
The new PNNL carbon capture and conversion system brings the cost to capture CO 2 down to about $39 per metric ton. Just as one can choose between single-use and recyclable materials, so too can one recycle carbon. gallon ($1,460/metric ton) when using CO 2 captured from a 650 MW natural gas combined cycle plant.
Israel-based NewCO2Fuels (NCF), a subsidiary of GreenEarth Energy Limited in Australia, reported completion of stage 1 testing of its proof-of-concept system for the conversion of CO 2 into fuels using solar energy. Carbon Capture and Conversion (CCC) Fuels Solar Solar fuels' The mixture of CO and H 2 —i.e.,
Scientists at Stanford University have developed electrochemical cells that convert carbon monoxide (CO) derived from CO 2 into commercially viable compounds more effectively and efficiently than existing technologies. 1 ), low cell voltages, and high single-pass CO conversion, leading directly to concentrated product streams.
The assistant professor and William Marsh Rice Trustee Chair of Chemical and Biomolecular Engineering has proposed the development of a modular electrochemical system that will provide “a sustainable, negative-carbon, low-waste and point-source manufacturing path preferable to traditional large-scale chemical process plants.”.
Researchers from BASF, Energie Baden-Württemberg AG (EnBW), Heidelberg University and Karlsruhe Institute of Technology (KIT) are seeking to develop a process for the photocatalytic conversion of CO 2 into methanol for use in fuel cells or internal combustion engines. million) over two years. million) over two years. Dr. Henning Bockhorn.
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.
The US Department of Energy (DOE) is awarding $35 million to 15 research projects through ARPA-E’s “Energy and Carbon Optimized Synthesis for the Bioeconomy” (ECOSynBio) program to decarbonize biorefining processes used across the energy, transportation, and agriculture sectors. Carbon-Negative Chemical Production Platform - $4,160,262.57.
The electrochemical conversion of CO 2 into carbon-based fuels and valuable feedstocks by renewable electricity is an attractive strategy for carbon neutrality. 2022), “Chloride Ion Adsorption Enables Ampere-Level CO2 Electroreduction over Silver Hollow Fiber.” (A) Optical image of the as-fabricated Ag HF tubes.
LanzaTech UK and direct air capture technology company Carbon Engineering have partnered on a project to create sustainable aviation fuel (SAF) using atmospheric carbon dioxide (CO 2 ).
The WTG CO 2 emissions vary from 180% (nearly twice) to a reduction of 75% compared to that of the business as usual scenario without carbon sequestration. With the cost of carbon emissions being appropriately included, this electricity to synthetic fuel pathway will be even more economically competitive. Stubbins, and Paul J.
Researchers at the Ulsan National Institute of Science and Technology (UNIST) have designed a membrane-free (MF) Mg-CO 2 battery as an advanced approach to sequester CO 2 emissions by generating electricity and value-added chemicals without any harmful by-products. A paper on the work is published in the journal Nano Energy.
A new boron-copper catalyst for the conversion of carbon dioxide (CO 2 ) into chemicals or fuels has been developed by researchers at Ruhr-Universität Bochum and the University of Duisburg-Essen. CO 2 can be converted into larger carbon compounds that can be used as base chemicals for industry or as fuels.
With scaling and optimization of this CO 2 recovery technology already underway, NRL researchers and others are working on new and improved catalysts for the conversion of CO 2 to useful hydrocarbons. Carbon dioxide is also hydrogenated directly to methane, in a widely cited thermodynamically favorable and highly competitive side reaction.
More work is needed to understand and to optimize the reaction, but this approach could offer an easy and inexpensive way to recapture some of the carbon dioxide emitted by vehicles and power plants, says Christopher Cummins, an MIT professor of chemistry and leader of the research team. —Christopher Cummins.
The sunfire plant, which operates according to the “power-to-liquid” (PtL) principle, requires carbon dioxide, water and electricity as raw materials. The carbon dioxide is extracted directly from the ambient air using direct air capture (DAC)—a technology developed by Swiss partner Climeworks. The process is up to 70% efficient.
In this process, carbon dioxide is not only a starting material; it also acts—in a supercritical state—as the solvent for separation of the product. The conventional industrial process for the production of methanol starts with syngas, a mixture of hydrogen and carbon monoxide obtained from fossil resources. Wesselbaum, S.,
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