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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.,
The two main components—the electrochemical conversion hardware through which the fluids are flowed (which sets the peak power capacity) and the chemical storage tanks (which set the energy capacity)—may be independently sized. The design permits larger amounts of energy to be stored at lower cost than with traditional batteries.
A team led by Dr. Michael Grätzel at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland has developed a highly efficient and low-cost water-splitting cell combining an advanced perovskite tandem solar cell and a bi-functional Earth-abundant catalyst. Currently, perovskite instability limits the cell lifetime.) Credit: EPFL.
The DTU researchers created a device to harvest the energy from part of the solar spectrum and used it to power the conversion of single hydrogen ions into hydrogen gas. These studies led them to related compounds, which eventually took them to molybdenum sulfide. The team first tackled the hydrogen half of the problem.
AC Propulsion and AutoPort , an automotive conversion, restyling and processing company, will partner in engineering, development and conversion to provide an Electric Vehicle conversion prototype and report for the United States Postal Service.
Researchers at the University of Bristol (UK) have developed a new family of catalysts that enables the conversion of ethanol into n-butanol—a higher alcohol with better characteristics for transportation applications than ethanol—with selectivity of more than 95% at good conversion. Biobutanol Catalysts Ethanol'
Researchers from the Karlsruhe Institute of Technology (KIT) and their Canadian partners have designed a low-cost photoreactor design for solar-driven synthesis. The photoreactors have a low level of complexity, are readily manufacturable via mass fabrication techniques in polymers, and are easy to adapt to diverse photocatalysts.
Now, researchers at Imperial College London have shown that bioethanol production from bamboo in China is both technically and economically feasible, as well as cost-competitive with gasoline. An open access paper on their study is published in Biotechnology for Biofuels. —Littlewood et al. Littlewood et al. Click to enlarge.
If hydrogen production is to be distributed and produced in small-scale devices, it would be attractive if the subsequent conversion of H 2 into a liquid fuel could also be performed in simpler, low-pressure decentralized units. We spent a lot of time studying methanol synthesis and the industrial process.
The lowcost of porous melamine means that the material could be deployed widely. Mao and her colleagues conducted solid-state nuclear magnetic resonance (NMR) studies to understand how cyanuric acid and DETA interacted to make carbon capture so efficient.
The conversion rate reaches 32.9 ± 1.38 This one-step nitrogen-fixation strategy to produce ammonia is eco-friendly and lowcost, which converts widely available starting materials into a value-added product. Xiaowei Song, a postdoctoral scholar in chemistry at Stanford, is the lead author of the study. —Song et al.
and Syngenta Ventures will collaborate to develop advanced crop technology that will provide low-cost sugars from cellulosic biomass for a variety of industrial applications including biofuels and biochemicals without requiring external enzymes for biomass hydrolysis. Agrivida’s cell wall degrading (CWD) technology.
The Ni-B i films can be prepared with precise thickness control and operate at modest overpotential providing an alternative to the Co catalyst for applications in solar energy conversion.
With its lowcost and wide supply, the conversion of glucose to HMF has attracted the interests of researchers. report in their study, published in the journal Advanced Materials Research , an optimized 5-HMF yield of 42.32% within 1.5 For gaining a high 5-HMF yield, the choice of catalysts is very important.
Herein, we demonstrate a sulfur looping scheme in a one-reactor system using a low-cost and environmentally safe iron-based sulfur carrier. Compared with the undoped sulfur carrier, Mo dopant facilitates the surface hydrogen diffusion, thus promoting the overall H 2 S conversion. —Jangam et al.
In a paper in the journal Fuel , the researchers report that the Co-doped graphdiyne catalyst achieved nearly complete decomposition of ammonia at 550 ˚C, and the conversion rate remained stable over 18 h of continuous reaction. to release the hydrogen—their high cost is a challenge for widespread application, the authors note.
The new PNNL carbon capture and conversion system brings the cost to capture CO 2 down to about $39 per metric ton. This is the first known demonstration of integrated low-temperature thermocatalytic capture and conversion of CO 2 to methanol in an economically viable CO 2 capture solvent. —Kothandaraman et al.
This discovery paves the way for sustainable, low-cost hydrogen that could be produced locally rather than in massive centralized plants. The new study is a culmination of that work. It also demonstrates that photocatalysis can be efficiently performed with inexpensive LED photon sources. —co-author Naomi Halas.
This integrated capture and conversion process will be used to produce a number of different chemicals that could replace petroleum-derived products. Tags: Carbon Capture and Conversion (CCC) Emissions. DOE share: $1,000,000; recipient share: $250,067; duration: 24 months).
Together with Fluor, we plan to use our in-house expertise, intellectual property, and operations experience and to complete the study, which we are hopeful, could form the basis of a technology, equipment and services supply business to meet this growing need. The study is expected to last four months.
In collaboration with NE, DOE’s Hydrogen and Fuel Cell Technologies Office will provide funding and project oversight for the two hydrogen production–related projects that were selected: General Electric Global Research, Scaled Solid Oxide Co-Electrolysis for Low-Cost Syngas Synthesis from Nuclear Energy.
(SES), a global energy and gasification technology company that provides products and solutions to the energy and chemicals industries, has entered into a Technical Study Agreement with Ambre Energy of Australia to supply a proprietary gasification design to support Ambre’s development of a planned Coal to Liquids Project (ambreCTL).
Increased availability of low CO 2 sources of electricity and hydrogen could counter-intuitively delay, rather than accelerate, a large-scale transition to an electric and/or hydrogen vehicle fleet, according to a new study by researchers from Ford Motor Company and Chalmers University of Technology in Sweden. Wallington et al.
The new battery design could help ease integration of renewable energy into the electrical grid at lower cost, using Earth-abundant metals, according to a study just published in Energy Storage Materials. h is achieved with an estimated raw active materials cost of $7.02 mAh cm −2 , a discharge duration of 28.2 Weller et al.
1 ) and ammonia conversion (>99%) at a significantly reduced operating temperature (. The research team at KIST developed a low-cost membrane material and a catalyst for decomposition of ammonia into hydrogen and nitrogen. mol-H 2 g cat ?1 Membrane reactor for production of H 2 from NH 3. Credit: KIST. Jo Young Suk from KIST.
Combining biomass-to-energy for electricity or biofuel production with CO 2 capture and storage (Bio-CCS) could result in an annual global technical potential of up to 10 gigatonnes of negative CO 2 emissions in the year 2050, according to a study commissioned by IEA Greenhouse Gas R&D Programme to the global energy consultancy company Ecofys.
In the study, the team demonstrated bisabolene production from sorghum hydrolysate in a scalable one-pot process comprising IL pretreatment, saccharification, and fermentation. Conversion efficiency improved with scale, demonstrating the feasibility of integrating all biomass conversion unit operations within the biorefinery.
Researchers in South Korea have developed a simple, low-cost and eco-friendly method of creating nitrogen-doped graphene nanoplatelets (NGnPs) with excellent catalytic performance in both dye-sensitized solar cells and fuel cells to replace conventional platinum (Pt)-based catalysts for energy conversion. —Jeon et al.
Researchers at Georgia Tech have developed a promising new conversion-type cathode and electrolyte system that replaces expensive metals and traditional liquid electrolyte with lower cost transition metal fluorides and a solid polymer electrolyte. A paper on their work is published in the journal Nature Materials. —Huang et al.
His paper, Kreutz noted, is only a preliminary scoping study designed to sketch out the rough outlines of each system’s prospective performance and economics as related primarily to GHG. owned by) a power plant; careful integration between the two plants will reduce costs (not studied in detail here). . ~90%) their CO 2 (e.g.
A study by researchers at Finland’s VTT has concluded that it is possible to produce sustainable low-carbon fuels from lignocellulosic biomass for as estimated gasoline-equivalent production cost of 0.5–0.7 The UCG process was developed for the production of low-cost synthesis gas from biomass. Source: VTT.
Independent studies, including the recently completed Los Angeles 100% Renewable Energy Study, point to the need for renewably fueled combustion turbines—available for limited periods—to achieve reliable 100% renewable electricity. —Martin Adams, General Manager and Chief Engineer at LADWP.
A team from Saudi Aramco Research and Development Center has developed a novel low-cost, high-octane gasoline blend component it calls SuperButol. Overall single pass conversion is 14 vol%. This blending component could be used on its own or with other octane boosters such as MTBE. Click to enlarge.
The mineral perovskite is a promising, low-cost material for enhancing the efficiency of silicon solar cells. The goal of this project is to develop a hybrid perovskite-silicon solar cell that significantly improves the light-to-energy conversion efficiency of conventional cells. efficiency, low-cost silicon solar cells.
The projects conducted through this program are geared toward reducing the cost of coal conversion and mitigating the environmental impacts of fossil-fueled power generation. DOE: $650,000 Non DOE: $162,500 Total: $812,500 (20% cost share). DOE: $876,293 Non DOE: $219,074 Total: $1,095,367 (20% cost share).
D 3 GaN technology has been shown to reduce the power losses by at least 50% while benefiting from the high-yield, low-cost proprietary design of GaN transistors. This optimization is important for the inverter design and manufacturing in order to minimize the required paralleling and to optimize the inverter cost.
The third phase of a SDG&E multi-year in-use study on plug-in hybrid electric vehicles showed that plug-in hybrids offer significant improvements in gas mileage and reductions in emissions when compared with standard hybrid-electric and gasoline internal combustion engine (ICE) vehicles. Tags: Conversions Hybrids Plug-ins.
Illustration of non-catalytic biodiesel conversion Credit: ACS, Kwon et al. conversion efficiency to FAME (fatty acid methyl ester) within 1 minute in a temperature range of 350–500 °C. Moreover, this study showed the economic feasibility of biodiesel production from SS. —Kwon et al. Click to enlarge. Click to enlarge.
Lloyd’s Register and University Maritime Advisory Services (UMAS) released a new study— Zero Emission Vessels 2030 —that aims to demonstrate the viability of zero emission vessels (ZEVs) by identifying what needs to be in place to make them a competitive solution for decarbonization. Click to enlarge.
Researchers from The University of Birmingham (UK) and specialty chemicals company Innospec recently performed a series of experiments in a single-cylinder gasoline direct-injection (GDI) research engine to study the performance of the liquid biofuel 2,5-dimethylfuran (DMF) benchmarked against gasoline and ethanol.
We were trying to study the first step of a proposed reaction when we realized that the catalyst was doing the entire reaction on its own. The researchers’ initial analysis suggests that the spiky textured surface of the catalysts provides ample reactive sites to facilitate the carbon dioxide-to-ethanol conversion. Hensley, D.
In addition to the high catalytic activity observed in the initial electrochemical studies, the researchers observed further activation of the Co@Pt catalysts after potential cycling in the ORR-relevant regime. New developments will target further applications of such materials in chemical conversions of hydrocarbons.
UW-Madison has long been known for its expertise in biomass conversion. Spangler professor of chemical and biological engineering at UW-Madison, is working closely with ExxonMobil’s scientists to build a stronger understanding of the basic chemical transformations that occur during biomass conversion into diesel and jet fuels.
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