Articles tagged with Clean Coal
Researchers found little evidence of disproportionate siting in Black counties, but a growing share of the Black population over time. Long-term demographic shifts after power plant openings led to higher Black population shares, with an average rise of 4% in 50-70 years.
Researchers at Carnegie Mellon University analyze historical U.S. carbon emissions trends, identifying factors that contributed to changes and offering lessons for developing countries. The study suggests that investing in efficient technologies and avoiding overreliance on coal can help avoid pitfalls encountered by the United States.
A new study identifies multiple technologies to cost-effectively decarbonize the energy system, prioritizing their adoption and transition. The findings suggest a range of options to achieve near-cost-optimal futures, emphasizing research and development investments.
A new report identifies the top 10 financial actors influencing the fossil fuel economy and outlines their decisive role in helping de-carbonize our future. The study suggests that these influential actors, including investment advisors and governments, can make transformative changes to reduce fossil fuel production.
Ohio University researchers have discovered a new carbon solid called amorphous graphite, which can be formed from coal at high temperatures. The material has layers of pentagons and hexagons, reducing its electrical conductivity compared to graphene.
The project aims to find efficient ways to use graphene particles from domestic coal wastes in Fused Deposition Modeling (FDM) 3D printing, increasing the carbon content of filaments and developing new materials. This technology could lead to a more sustainable future by reducing greenhouse gas emissions.
A new analysis by Carnegie Mellon University researcher Akshaya Jha finds that risk aversion drives the purchasing of coal primarily from long-term contracts, resulting in premium prices. The study estimates that if power plants purchased all their coal from the spot market, annual aggregate cost savings would be $2.9 billion on average.
The FUN-BioCROP model predicts effects of plant choice and agricultural management on soil carbon storage, slowing climate change. By using bioenergy from plants, less carbon dioxide is emitted into the atmosphere, resulting in a more sustainable energy source.
A team of scientists from GIST developed an AI-based approach to analyze and extract user behavior data, estimating the optimal demand response management for each household. The study showcases how AI can improve electricity consumption, leading to lower prices and a smaller carbon footprint.
A new model, developed by Carnegie Mellon University researchers, identifies coal- and natural gas-fired electricity generation plants suitable for carbon capture technologies. The tool takes into account various factors like plant age, efficiency, location, and technology to explore optimal CO2 reduction strategies at an affordable cost.
Researchers from Xinjiang University developed a new core-shell nanocatalyst Au@CDs for enhanced visible-light photocatalytic nitrogen fixation, showing a 3.5-fold increase in activity compared to bare CDs.
Researchers at Shinshu University have developed a method to improve the properties of activated carbon using high magnetic fields. By applying a magnetic field of 10T during production, they increased the micropore capacity of activated carbon by 35%, making it more effective for air and water purification.
A new study found that coal-fired power plants require 13 times more land to be carbon neutral than solar panel manufacturing, making solar the more efficient option. To achieve carbon neutrality with coal, 89% of US land would need to be covered in forests or optimal crops.
A biologically inspired membrane, called memzyme, can capture 90% of carbon dioxide from coal-fired power plants with a low cost of $40 per ton. The membrane uses an enzyme to rapidly and selectively dissolve carbon dioxide molecules.
A study suggests that using existing natural gas infrastructure to replace coal in power plants can significantly reduce global carbon emissions. The UK's approach, which has already cut its emissions by 25%, could be emulated globally to achieve a 3% reduction in annual emissions.
A new study finds that substantial carbon pricing can lead to substantial divestment from coal, resulting in reduced emissions. The 'green paradox' effect is overcome when investors anticipate strong future climate policies, suggesting a more effective strategy for reducing emissions.
Researchers at Idaho National Laboratory have developed a new fuel cell technology powered by solid carbon, which can utilize three times as much carbon as earlier designs. The innovation enables lower temperatures and higher power densities, making it potentially more efficient than conventional hydrogen fuel cells.
Researchers are working on a $1.6 million project to create a new use for coal, turning it into a carbon-fiber material that could help revitalize struggling coal communities. The process produces substantially less CO2 than traditional methods.
A new study by Duke University warns that China's coal-based chemical industries will significantly increase the country's carbon footprint. The industries, which include synthetic fuels and olefins, emit nine times more CO2 than alternative methods.
Researchers have successfully tested a new clean coal technology that captures 99.5% of carbon dioxide emissions, paving the way for potential commercial use. The technology uses two inexpensive but polluting forms of coal and operated continuously for 200 hours without shutdown.
Researchers at Ohio State University have developed a clean coal technology called Coal-Direct Chemical Looping (CDCL) that chemically harnesses coal's energy while capturing nearly all the carbon dioxide produced. The technology, which uses tiny metal beads to carry oxygen, has been successfully tested for 203 continuous hours.
A University of Tennessee professor has received $300,000 in funding from the US Department of Energy to develop High-Entropy Alloys for improved structural materials. The goal is to enhance efficiency in coal-fired power plants, reducing carbon footprint and lowering fuel costs.
The Rice University think tank aims to recycle carbon dioxide into useful products, partnering with energy companies to make carbon a profitable resource. Strategies include repurposing CO2 as a feedstock for chemicals or sequestering it in oil wells.
The University of Texas at Austin will design and oversee a monitoring plan for a carbon capture and storage demonstration project in southeast Texas. The project aims to reduce emissions of CO2 from a coal-fired power plant and demonstrate advanced technology for enhanced oil recovery.
Researchers used five emission scenarios to predict future carbon dioxide levels. If coal emissions are phased out by 2050, all scenarios result in levels below the 450 parts per million threshold, potentially avoiding 'dangerous' climate change. The study suggests reducing coal emissions is essential.
A team of Penn State engineers discovered that combining coal with papermaking black liquor waste creates a synthesis gas that can be converted into DME, a clean-burning fuel. This process reduces the carbon footprint of traditional coal-to-liquid processes and offers a more efficient alternative to burning black liquor for heat.
Researchers have found that deep coal seams can be used for permanent storage of carbon dioxide, displacing methane and potentially reducing atmospheric CO2 levels. The study suggests that unmineable coal seams could represent a vast sink for CO2 produced by industry.
Dutch researcher Saikat Mazumder developed a method to estimate CO2 storage in coal using CT scans, improving understanding of crack patterns and gas absorption. Coal was found suitable for filtering out carbon dioxide from waste gases and storing it.
Scientists at UNC-Rutgers create a more efficient method for producing diesel fuels from coal using a dual-catalyst system. This breakthrough could provide an attractive alternative to oil-based fuels, particularly as oil reserves dwindle, and enable the widespread adoption of cleaner-burning transportation fuels.
A partnership between The Beard Company and Pinnacle Mining Company will utilize patented Microcel TM technology to recover clean coal from fine coal impoundments, providing a new energy resource. The project is expected to produce 240,000 tons of clean coal per year.
Researchers explore new power plants that capture carbon dioxide before it leaves the facility, as well as synthetic trees that pluck carbon from the air. Despite promising results, challenges remain, including proper water disposal and reducing greenhouse gas emissions.
Brookhaven National Laboratory scientists have developed strains of bacteria that can live in harsh environments and convert ordinary coal to a cleaner resource. These microbes remove sulfur and heavy-metal contaminants from coal, producing fewer environmentally undesirable by-products when burned or converted into fuel.
Researchers successfully tested a corn-based activated carbon for removing mercury emissions from coal-fired power plants, achieving results comparable to commercial products. The technology demonstration marked the first time this approach was applied to high-sulfur Illinois coal flue gas.