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A multi-Hubbert analysis of coal production by Tadeusz Patzek at The University of Texas at Austin and Gregory Croft at the University of California, Berkeley concludes that the global peak of coal production from existing coalfields will occur close to the year 2011. Gt C (15 Gt CO 2 ) per year, according to the study.
These results indicate that coal and oil are the energy sources leading to most emissions, and that hydro, wind, and nuclear are the energy sources leading to least emissions. On the two extremes, coal and oil result in about 176 times the emissions from hydro.
The amount of methane released into the atmosphere as a result of coal mining is likely approximately 50% higher than previously estimated, according to research presented at the recent annual meeting of the American Geophysical Union. The study is one of the first to account for methane leaking from old, abandoned mines.
Coal trains and terminal operations add a significant amount of fine particulate matter (PM 2.5 ) pollution to urban areas—more so than other freight or passenger trains— according to a study conducted in Richmond, California, by the University of California, Davis. Coal trains contributed 2 to 3 µg/m 3 more of PM 2.5
The study will appear next month in the peer-reviewed journal Climatic Change Letters. The study underscores the complex and sometimes conflicting ways in which fossil fuel burning affects Earth’s climate. —Tom Wigley. Methane is an especially potent greenhouse gas. degree Fahrenheit (less than 0.1 degree Celsius). degrees F (0.1-0.2
The US Department of Energy (DOE) has selected nine universities for awards for research projects that will continue to support innovation and development of advanced, lower emission coal technologies. million investment will be leveraged with additional funds from the universities to support $3.1 Brown University.
These results indicate that coal and oil are the energy sources leading to most emissions, and that hydro, wind, and nuclear are the energy sources leading to least emissions. On the two extremes, coal and oil result in about 176 times the emissions from hydro. from coal. Energy source. Natural gas. Natural gas. Geothermal.
“Blue” hydrogen—produced through steam methane reforming (SMR) of natural gas or coal gasification, but with CO 2 capture and storage—is being described as having low or zero carbon emissions. Carbon dioxide emissions, including emissions from developing, processing, and transporting the fuels, are shown in orange.
An Ohio State University team has demonstrated the successful operation of Coal-Direct Chemical Looping (CDCL)—which chemically harnesses coal’s energy and efficiently contains the carbon dioxide produced before it can be released into the atmosphere. Hot iron and coal ash are left behind. 2 millimeters across.
The US Department of Energy has selected 7 projects to participate in the UniversityCoal Research (UCR) program. The projects aim to improve the basic understanding of the chemical and physical processes that govern coal conversion and utilization, by-product utilization, and technological development for advanced energy systems.
million to 7 universities to conduct advanced turbine technology studies under the Office of Fossil Energy’s (FE) University Turbine Systems Research (UTSR) Program. Texas A&M University , College Station, Texas. University of Texas at Austin , Austin, Texas. University of North Dakota , Grand Forks, N.D.
The US Department of Energy (DOE) has selected eight new projects to further advanced coal research under the UniversityCoal Research Program. The selected projects are intended to improve coal conversion and use and will help propel technologies for future advanced coal power systems. DOE Share: $300,000).
Robert Blanchette, University of Minnesota) Click to enlarge. Coal deposits—the fossilized remains of plants—were formed during a 60-million year period from around 360 to 300 million years ago. Once you have white rot you can break down lignin, the major precursor of coal. Punctularia strigoso-zonata.
This FOA, issued in August 2017, is a $50-million funding opportunity for projects supporting cost-shared research and development to design, construct, and operate two large-scale pilots to demonstrate transformational coal technologies. University of Illinois. Phase I projects. Organization. Description. Babcock & Wilcox Company.
MP Materials has received a $3-million award from the Department of Energy (DOE) to complete a feasibility study, working with the University of Kentucky (UK), on a system to produce rare earth oxides, metals, and other critical materials recovered from coal by-products. Mountain Pass facility. Source: MP Materials.
The study was published online 24 May in the ACS journal Environmental Science & Technology. The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids. Credit: ACS, Huo et al.
The largest drop in emissions in 2012 came from coal, which is used almost exclusively for electricity generation. During 2012, particularly in the spring and early summer, low natural gas prices led to competition between natural gas- and coal-fired electric power generators. Duke study.
Researchers at The Ohio State University have developed a novel process to clean coal mine drainage and extract rare-earth elements from it. Coal mine drainage (CMD) impairs tens of thousands of kilometers of U.S. CMD, coal mine drainage; TEP, trap-extract-precipitate. Miranda et al. —Jeff Bielicki. 2021.0378.
In regions where the share of coal-based electricity is relatively low, EVs can achieve substantial GHG reduction, the team reports in a paper in the ACS journal Environmental Science & Technology. According to the 12 th Five-Year Plan of the China Coal Industry (2011?2015)
The feasibility study is the first step in securing additional state funds for the construction of the Alliance’s first pilot production facility, and as part of the program in Pennsylvania the Alliance will seek opportunities to collaborate with local universities and research centers.
Produced water from coal-bed natural gas (CBNG) production may contain sodium bicarbonate (NaHCO 3 ) at concentrations that can harm aquatic life, according to a new study by the US Geological Survey; Montana Fish, Wildlife and Parks; the Bureau of Land Management and the US Environmental Protection Agency. Farag, A.M.,
A NASA-led team of scientists has uncovered strong evidence that coal soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice Age (LIA). —Georg Kaser, a study co-author from the University of Innsbruck.
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.
Comparison of coal consumption and CO 2 emissions for co-production and separate production of liquids and power. Conventional CTL plant gasifies coal to produce a syngas which is then converted in a Fischer-Tropsch reactor to products. Tags: Coal-to-Liquids (CTL) Emissions. Source: Mantripragada and Rubin. Click to enlarge.
A study by researchers at Harvard University and Tsinghua University shows that there is enough wind in China to generate electricity to supply the nation's entire projected demand for 2030 (about twice what is used now) at reasonable prices per kilowatt-hour. Assuming a guaranteed price of 0.516 RMB (7.6 McElroy et al.
A comprehensive three-year scientific study into the air, water and soil impacts of hydraulic fracturing (HF) in coal seam gas (CSG) in Queensland, Australia has found little to no impacts on air quality, soils, groundwater and waterways. —Dr Barrett.
A study by Mark Z. Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. Upstream emissions are emissions, including from leaks and combustion, from mining and transporting a fuel such as coal or natural gas.).
The Clean Coal Task Force (CCTF) was created in 2007 by the Wyoming State Legislature to help secure Wyoming’s financial future by preserving the value of coal, an important export from the state. The newly approved projects will receive $8,769,713, the largest single annual funding in the history of the fund.
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. Winter while PM 2.5
2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. The researchers collected data from the year 2005, the most recent data available at the time of the study. While the study is based on data from 2005, Barrett says the results are likely representative of today’s pollution-related health risks.
The lab’s flash Joule heating process, introduced several years ago to produce graphene from any solid carbon source ( earlier post ), has now been applied to three sources of rare earth elements—coal fly ash, bauxite residue and electronic waste—to recover rare earth metals. —Deng et al. Courtesy of the Tour Group.
San Juan River-Raton-Black Mesa Basin (Arizona, Colorado and New Mexico): New Mexico Institute of Mining and Technology plans to determine the rare earth elements and critical minerals resource potential in coal and related stratigraphic units in the San Juan and Raton basins in New Mexico. DOE Funding: $1,499,997. DOE Funding: $1,483,787.
million in federal funding to develop conceptual designs of commercially viable technologies that will extract rare earth elements (REEs) from US coal and coal by-product sources. University of North Dakota (Grand Forks, ND). West Virginia University Research Corporation (Morgantown, WV). UPSHOTS, LLC (Forsyth, GA).
CO 2 emissions from US coal-fired power plant could be phased out entirely by 2030 using existing technologies or ones that could be commercially competitive with coal within about a decade, according to a paper published online 30 April in the ACS journal Environmental Science & Technology. Credit: ACS, Kharecha et al.
The US Department of Energy (DOE) selected four projects to move on to a second phase of research in their efforts to advance recovery of rare earth elements (REE) from coal and coal byproducts. The solids are from Northern Appalachian and Central Appalachian bituminous coal seams in West Virginia. Earlier post.) 6 million.
The US Department of Energy (DOE) selected eight projects to advance the development of transformational oxy-combustion technologies capable of high-efficiency, low-cost carbon dioxide capture from coal-fired power plants. University of Kentucky Research Foundation. Babcock & Wilcox Power Generation Group.
Researchers at The Ohio State University have used a chemical looping process to produce hydrogen from hydrogen sulfide gas—commonly called “sewer gas”. The team first used chemical looping on coal and shale gas to convert fossil fuels into electricity without emitting carbon dioxide into the atmosphere. —Jangam et al.
A team of researchers, led by Professor Gavin Shaddick at the University of Exeter, has shown that, despite global efforts to improve air quality, half of the world’s population is exposed to increasing air pollution. Credit: Professor Gavin Shaddick/University of Exeter. a)Map of global PM 2.5 Units for both are ?g/m
The least expensive way for the Western US to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy that may include nuclear power, according to a new study by University of California, Berkeley, researchers.
The US Department of Energy’s (DOE) Office of Fossil Energy (FE) has selected four projects for cost-shared research and development under the funding opportunity announcement (FOA), DE-FOA-0002180, Design Development and System Integration Design Studies for Coal FIRST Concepts.
Overview of the bluegas catalytic coal methanation process. By adding a catalyst to the coal gasification system, GreatPoint Energy is able to reduce the operating temperature in the gasifier, while directly promoting the reactions that yield methane, (CH 4 ). Click to enlarge.
In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust. Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation.
A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. On the one hand, a shift to natural gas is promoted as climate mitigation because it has lower carbon per unit energy than coal or oil.
and the University of Houston will work together to further understanding of the geology and composition of crude oil. These types of studies aid in understanding the geology of oil-bearing formations, which is useful in the search for new deposits as well as in assessing the potential for exploitation of proven reserves.
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