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  • Development of geotechnical models for verifiion of in

    During the power generation process from synthesis gas produced by in situ coal conversion, carbon dioxide can be removed prior or subsequent to synthesis gas conversion in a combined cycle plant by appliion of advanced carbon capture technologies.

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  • Approaches to cleaning and conversion of coal through

    20181118&ensp·&enspBioprocessing of raw feedstocks, such as coal, is an emerging technology. Although the use of microorganisms to produce alcohol, food stuffs, drugs, enzymes, and decomposition of wastes has been employed for many years, the concept of using microorganisms to

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  • Investigating How Electricity is Generated

    2013107&ensp·&enspresponsible for global warming. Fossil fuels include coal, natural gas, and petroleum or crude oil. Burning fossil fuels also creates sulfur dioxide, which reacts with atmospheric water to form sulfuric acid. The resulting acid rain damages habitat and disrupts water chemistry of

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  • INTERRELATIONSHIPS BETWEEN COAL ANALYSIS, COAL

    200621&ensp·&enspINTERRELATIONSHIPS BETWEEN COAL ANALYSIS, COAL CONVERSION AND COAL STRUCTURE Dennis Binseth and Bradley Bockrath U.S. Department of Energy Pittsburgh Energy Technology Center P.O. Box 10940 Pittsburgh, PA 15236 Uodels for the average structure of a coal and for its chemistry both rely heavily on analyses that are subject to considerable errors.

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  • Clean Coal Conversion: Road to Clean and Efficient

    The prospects for clean coal conversion involve four coalrelated shifts, described briefly below. Shift from Fuel to a Combination of Fuel and Feedstock. It is critical to continue the research, development, and demonstration of modern coal conversion technologies to achieve clean and efficient coal conversion

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  • Air Force to Wall Street: Invest in coal conversion ABC News

    2008323&ensp·&enspCoal's biggest customers, electric utilities, have scrapped at least four dozen proposed coalfired power plants over rising costs and the uncertainties of climate change.

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  • Fuel Processing Technology Journal Elsevier

    2018128&ensp·&enspFuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, valueadded chemicals, fuelrelated advanced carbon materials and byproducts. While chemical conversion is emphasized, papers on advanced physical conversion

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  • Coal Energy Conversion with AquiferBased Carbon

    2008717&ensp·&enspaquifer after use. In this coal conversion scheme, all trace species introduced with the coal (such as mercury, arsenic, etc.) as well as all coal conversion products are sequestered in the aquifer along with the CO2. The only matter not directed to the aquifer is the solid material, the ash and precipitated inorganic salts.

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  • THE OFFICIAL JOURNAL OF THE COAL INDUSTRY

    16 hours ago&ensp·&enspCornerstone, the official publiion of the world coal industry, was launched by the World Coal Association in the spring of 2013.Cornerstone is an internationally recognized, highquality, objective publiion that includes content investigating all aspects of the global coal industry. The electronic version is offered free of charge through this website.

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  • Theoretical Study and Experimental TestRig Implementation

    Hydrogen production from coal 6 It has been estimated [8, 9] that around 2010 oil will reach the "production peak" (corresponding as a general rule to the exploitation of half the currently available supplies) with a subsequent gradual reduction of availability and

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  • Investigation into the characteristics of Na2CO3alyzed

    The oil shocks have brought about the change of the conventional energy consumption structure in the past century, which leads to the increase in the production and utilization of coal and natural gas [].Natural gas has been given preference because it has high conversion efficiency and efficient enduse technologies besides the convenience of transportation [].

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  • Production of CoalBased Fuels and ValueAdded

    201259&ensp·&enspyield data for various LCO:coal ratios. The best yields were obtained with Pittsburgh, Illinois, and Blind Canyon coals. With a 10:1 ratio of LCO and coal at 360 °C, ~4050% conversion of the coal was obtained. In a laboratoryscale multistage reactor (Figure 2), the yield from Pittsburgh coal increased to ~73% in the third stage. Current

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  • Conversion of FuelN to N 2 O and NO x during

    201195&ensp·&ensp With focus on investigating the effect of combustor scale on the conversion of fuelN to NO x and N 2 O, experiments are carried out in three combustors

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  • The Better Environmental Option: Dry Ash Conversion

    201117&ensp·&enspAfter the 2008 incident involving the failure of a large surface impoundment containing wet coal ash, the EPA began investigating all coalfired power plants employing this wet coal ash management

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  • FEASIBILITY AND COST OF CONVERTING OIL AND COAL

    2008310&ensp·&enspshows that conversion costs for inplant equipment are very small, less than 19 $(1985)/KW in all instances, while conversion times are less than one year studies of the conversion of coal and oilfired boilers to the use of a Our approach to investigating the feasibility of retrofitting coal and

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  • Conversion of coal wastes into wastecleaning materials

    OSTI.GOV Technical Report: Conversion of coal wastes into wastecleaning materials. Quarterly progress report, October 1December 31, 1995 Quarterly progress report, October 1December 31, 1995 Title: Conversion of coal wastes into wastecleaning materials.

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  • coal conversion CORNERSTONE MAG Page 2

    The prospects for clean coal conversion involve four coalrelated shifts, described briefly below. Shift from Fuel to a Combination of Fuel and Feedstock. It is critical to continue the research, development, and demonstration of modern coal conversion technologies to achieve clean and efficient coal conversion

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  • INVESTIGATION OF THE COAL GASIFICATION PROCESS

    2013325&ensp·&ensp(2006, 2010) and focuses on investigating the effects of different operation parameters on the gasifiion process including coal mixture (dry vs. slurry), oxidant (oxygenblown vs. airblown), and different coal distribution between two stages. 2.0 COMPUTATIONAL MODEL The

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  • EFFECT OF RADIATION MODELS ON COAL GASIFICATION

    2013325&ensp·&enspThe effect of particle size on coal conversion, as well as the effect of the coal slurry concentration and molar ratio of oxygen/carbon on the gasifier performance, was investigated. The P1 radiation model was also used in their study [6]. Chen used a 3D simulation model to investigate the effect of oxygen/carbon ratio and water/coal

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  • CostBenefit Analysis of Flexibility Retrofits for Coal

    20131223&ensp·&enspCostBenefit Analysis of Flexibility Retrofits for Coal and GasFueled Power Plants August 2012 – December 2013 S. Venkataraman, G. Jordan, and M. O'Connor GE Energy In the Electric Power industry, there is tremendous interest in investigating mitigation measures for lowering cyclingrelated costs of thermal power plants. One approach is to

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  • Optimized Microbial Conversion of Bituminous Coal to

    20171216&ensp·&enspEnhanced microbial conversion of coal to methane has been a topic of research in the scientific community since its inception in the midnineties.

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  • Integrated Electrochemical Processes for CO2 Capture

    Integrated Electrochemical Processes for CO2 Capture and Conversion to Commodity Chemicals Background In an effort to reduce carbon dioxide (CO2) emissions from various industrial and power generation processes to the atmosphere, the U.S. Department of Energy (DOE) National Energy Technology Laboratory (NETL) is currently funding research

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  • Our History Department of Energy

    Because the United States also possessed massive quantities of coal, the Federal Government began investigating possible coalbased synthetic alternatives should

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  • Tianfu Zhang Senior Research Scientist

    Project manager: Developing Ni based alysts for high temperature methanation reaction in CoalToGas process. Investigating NiFe bimetallic alysts for low

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  • Experimental investigations of the conversion of fuelN

    Therefore, the conversion of fuelN, volatileN and charN to NOx and N 2 O is calculated for the base case with the combustion temperature of 1043 K, and Fig. 7, Fig. 8 shows the conversion fraction for the two types of coal in different temperatures.

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  • proj netl.doe.gov

    A metaproteomic approach for identifying proteins in anaerobic bioreactors converting coal to methane, International Journal of Coal Geology 146 (2015) 91–103 Characterizing microbial communities dedied for conversion of coal to methane in situ and ex situ, International Journal of Coal

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  • Coal Energy Conversion with AquiferBased Carbon Sequestration

    2018123&ensp·&enspTools will be developed that are useful for studying the chemistry and fluid mechanics relevant to the proposed aquiferbased coal conversion process, with an emphasis on the coal thermal processing system. Many of the materials and process compliions of this process may be addressed through creative reactor design.

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  • Theoretical Study and Experimental TestRig Implementation

    Fixed carbon content is a measure of the mass remaining after heating a dry coal sample under conditions specified by the ASTM. According to ASTM, the rank of coal proceeds from brown coal or lignite, the "youngest" coal, through subbituminous, bituminous, and semibituminous, to anthracite, the "oldest" coal.

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  • Dry Ash Conversions Power Engineering

    The technology was the preferred wettodry conversion option due to physical limitations underneath the boiler. and several others are actively investigating its potential appliion

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  • THERMAL STRESSES IN COAL CONVERSION PRESSURE

    2017825&ensp·&enspIt is anticipated that as commercial feasibility of coal conversion processes is established there will be a demand for large diameter thickwalled reactor vessels capable of operating at high tempera­ tures and pressures. For coal gasifiion the vessels probably will be 8 11 m (2535 ft.) in diameter, 30 90 m (100300 ft.)

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  • Office of Clean Coal and Carbon Department of Energy

    In the longer term, the goal is to increase energy plant efficiencies and reduce both the energy and capital costs of CO 2 capture and storage from new, advanced coal plants and existing plants. These activities will help allow coal to remain a strategic fuel for the

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  • COAL Earth Sci

    2017918&ensp·&enspThe conversion process is quite expensive, and with the present cost of other forms of fuel, it is economically infeasible. However, if other fuels become too expensive, this could be a more economical process. Other research has been conducted investigating other uses of lignite such as a fertilizer in hydroponic plant growth.

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  • Development of InHouse Coal Seam Permeability Testing

    201796&ensp·&enspcurrently investigating coal seam gas characteristics through the use of Coal permeability testing (injection fall off testing). The need for Coal permeability testing is essential for assessing the reservoir gas characteristics in the conversion factor to poundforce/square inch (North).

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  • The Better Environmental Option: Dry Ash Conversion

    201117&ensp·&enspAfter the 2008 incident involving the failure of a large surface impoundment containing wet coal ash, the EPA began investigating all coalfired power plants employing this wet coal ash management

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  • Coal: Energy for the Future The National Academies Press

    199456&ensp·&enspThe strategic planning framework identified two priority areas for the DOE coal program: (1) conversion of coal to electricity, representing the principal market for coal for all planning periods, but particularly in the mid to longterm periods and (2) conversion of coal to liquid and low and mediumBtu gaseous fuels, in the mid to longterm.

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  • Extending the Life of the Sundance Generating Station in

    The Sundance generating station (Sundance) is the largest coalfired generating facility in Alberta. It is loed about 70 kilometres west of the City of Edmonton, and has a generating capacity of 1,861 MW – down by about 280 MW after the January 1st retirement of one of its coal units.

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  • Advanced Coal Characterization: A Review Energy & Fuels

    201818&ensp·&enspCoal is highly heterogeneous in nature, and for this reason, several analytical techniques are needed for its characterization so as to accurately predict its behavior during conversion processes such as combustion, gasifiion, or liquefaction.

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  • STUDY ON COPYROLYSIS BEHAVIOR OF COAL

    The high rank coal with sawdust is more beneficial to interaction effects than low rank coal. By investigating the infrared spectrogram,there

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