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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. The study will drive further research into how to develop a practical industrial catalyst for selectively converting CO 2 into ethanol.
A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.
A fast, green and one-step method for producing porous carbon spheres—a component for carbon capture technology and for new ways of storing renewable energy—has been developed by Swansea University researchers. Carbon spheres range in size from nanometers to micrometers. at 0 °C and 2.9 at 0 °C and 2.9
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.
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.
By converting CO 2 into products of higher value, a closed-loop carbon economy begins to emerge. Among the metals studied, copper is the only metal known for its intrinsic ability to convert CO 2 into hydrocarbons and alcohols via electrochemical CO 2 RR. —Professor Tayhas Palmore, who co-authored the paper with Ph.D.
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 from Tokyo Tech have developed a tin-based metal–organic framework (MOF) that can photocatalytically reduce carbon dioxide (CO 2 ) into formate under visible light. The ongoing demand for carbon-rich fuels to drive the economy keeps adding more carbon dioxide (CO 2 ) to the atmosphere.
The company, which is launching a $500,000 capital raise via the online platform VCEX to fund the construction of its first modification prototype, says the results from their studies were very positive. There are multiple reasons why liquid ammonia was selected. —Aviation H2 Director, Dr Helmut Mayer.
A study by a team at University of Illinois at Urbana−Champaign has found that, with currently achievable performance levels, synthetic fuels produced via the electrochemical reduction of CO 2 and the Fischer-Tropsch (FT) process system are not economically and environmentally competitive with using petroleum-based fuel. 6b00665.
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.
Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). coal, oil, natural gas, and biomass). —Schnell et al. —Jordan Schnell. Schnell, Vaishali Naik, Larry W.
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. In this study, researchers tested how C. Jones et al. Click to enlarge.
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. We looked at three CO 2 -binding solvents in this new study. —Kothandaraman et al.
An analysis by a team in Bangladesh found large air quality and associated health benefits accruing to the residents of Dhaka (the capital of Bangladesh) as a result of the rapid conversion of the motor vehicle fleet to CNG. However, CNG conversion was apparently detrimental from a climate change perspective, as CH 4 emissions increased.
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.
When peat swamps are drained for agriculture, the peat begins to decompose, and is an enormous source of carbon emissions. Based on visual interpretation of high-resolution (30 m) satellite images, a new study in the journal Global Change Biology: Bioenergy determined that industrial plantations covered over 3.1 —Miettinen et al.
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.
Singapore—based Berge Bulk, one of the world’s leading independent dry bulk shipping companies, and ABS signed a joint project agreement to conduct a detailed feasibility study for the conversion of methanol-fueled propulsion system and aim to kickstart in Q1 2024. —Christopher J.
previous studies have followed the general framework of life cycle assessment (LCA), they have focused almost exclusively on quantifying the energy balance and GHG emissions associated with biofuels production. For gasoline, the study reflects the US context in which crude oil is to a large extent imported and refined domestically.
The solution was defined during Expleo’s feasibility study into clean power propulsion systems, funded through the UK Department for Transport’s (DfT) Clean Marine Demonstration Competition (CMDC). Expleo’s innovation also delivers significant operational savings, with the study showing OPEX reductions of £1.4 million (US$1.7
GTI has released a site-specific engineering design titled “ Low-Carbon Renewable Natural Gas (RNG) from Wood Wastes ”. The RNG product with very low carbon intensity could be used for carbon emission reductions in the transportation, industrial, commercial, and residential energy sectors. The Gasification-powered RNG Process.
Efforts to shift away from fossil fuels and replace oil and coal with renewable energy sources can help reduce carbon emissions but do so at the expense of increased inequality, according to a new study by researchers at Portland State University (PSU) and Vanderbilt University. —Julius McGee.
The new catalyst contains cobalt interspersed with nitrogen and carbon. When compared to a similarly structured catalyst made from iron—another promising, well-studied platinum substitute—the team found that the cobalt catalyst achieved a similar reaction but with four times the durability.
The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.
Researchers at the Weizmann Institute of Science in Rehovot, Israel have created a strain of the bacterium Escherichia coli that grows by consuming carbon dioxide instead of sugars or other organic molecules. The findings point to means of developing, in the future, carbon-neutral fuels. Ron Milo of the Weizmann Institute.
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. Graphdiyne (GDY) is a new two-dimensional (2D) carbon allotrope, similar to graphene. —Liu et al.
Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment. One of the catalytic conversion processes creates the high-octane gasoline blendstock. Earlier post.).
Advocacy group Coltura has published a report that finds converting the biggest users of gasoline to EVs in the next ten years is critical to reaching climate goals and that present EV policies are poorly suited to accomplishing that conversion.
The study task design steps. A recent study found that an aluminum electric vehicle can cost up to €635 (US$829) less than that its steel counterpart despite the higher cost of aluminum, given equivalent range targets. The next step was the conversion of that EV to a full aluminium space frame electric vehicle. Source: fka.
The analysis combines process engineering, spatial optimization, and lifecycle assessment to consider the technical, economic, and institutional feasibility of near-term carbon capture and sequestration (CCS). Mach (2018) “Near-term deployment of carbon capture and sequestration from biorefineries in the United States” PNAS doi: 10.1073/pnas.1719695115.
An open access paper on their study is published in Biotechnology for Biofuels. In 2011, China contributed 29% of world carbon dioxide emissions and therefore the country has a significant potential to influence the present and future global energy situation. Click to enlarge. —Littlewood et al. Littlewood et al.
The UK government is awarding £54 million to 15 projects to develop technologies that remove carbon emissions from the atmosphere. The carbon dioxide can then be permanently stored or used in various products or applications. The biochar is rich in carbon and can be used as a fertilizer. Cambridge Carbon Capture Ltd.,
The National Academies of Sciences, Engineering, and Medicine’s (NASEM’s) Board on Environmental Studies and Toxicology (BEST) announced the provisional committee for a new consensus study, Current Methods for Life Cycle Analyses of Low Carbon Transportation Fuels in the United States. The committee members are: Valerie M.
The results of this open-access study are published in the International Journal of Energy and Environmental Engineering. A Greyrock Flare Gas-to-Fuels conversion process at an Ohio oil well was used as the base case for this LCA. This fuel comprises 8,694 and 2,313 L/day of synthetic diesel and synthetic gasoline, respectively.
The National Academies of Sciences, Engineering, and Medicine is forming a committee that will conduct a study on the current methods for life cycle analyses (LCA) of low-carbon transportation fuels in the United States.
Researchers at Stanford University have developed a nanocrystalline copper material that produces multi-carbon oxygenates (ethanol, acetate and n-propanol) with up to 57% Faraday efficiency at modest potentials (–0.25?volts —Matthew Kanan, an assistant professor of chemistry at Stanford and coauthor of the Nature study.
One-pot electrolytic process produces H 2 and solid carbon from water and CO 2. In this study, they focused on the electrolysis component for STEP fuel, producing hydrogen and graphitic carbon from water and carbon dioxide. In this study, we focus on the electrolysis component for STEP fuel. Click to enlarge.
h -1 over 1.2Ni/MoC with a 100% selectivity of branched carbon chain. This study also proposes a strategy to the production of branched carbon chain compounds via the condensation of biomass platform substrates. An open-access paper on their work appears in the RSC journal Green Chemistry. —Zhou et al.
JFE Steel Corporation, Itochu Corporation and Emirates Steel Arkan, the largest steel company in the United Arab Emirates (UAE), will conduct joint detailed feasibility studies on the establishment of a supply chain of ferrous raw material for green ironmaking with low-carbon emission at the project site in Abu Dhabi.
Reintroducing airships into the world’s transportation mix could contribute to lowering the transport sector’s carbon emissions and can play a role in establishing a sustainable hydrogen based economy, according to a new IIASA-led study. The open-access paper is published in the journal Energy Conversion and Management: X.
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.
Chain elongation resulted in the selective (78% on a carbon basis) production of butyric acid, a valuable chemical used in pharmaceuticals, farming, perfumes, and the chemical industry. mA cm −2 , the study achieved an average production rate of 14.5 At an applied current of 1.0 g m −2 d −1 of butyric acid.
Stuart Licht ( earlier post ) report a process for the high-yield, low-energy synthesis of carbon nano-onions (CNOs) by electrolysis of CO 2 in molten carbonate. High yield electrolytic synthesis of carbon nano-onions from CO 2 , either directly from the air or from smoke stack CO 2 , in molten carbonate.
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