clean-coal ash

  • 1Clean coal — Historically[1] used to refer to technologies for reducing emissions of ash, sulfur, and heavy metals from coal combustion; the term is now commonly used to refer to carbon capture and storage (CCS) technology. Clean coal is an umbrella term used …

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  • 2Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …

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  • 3coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …

    Universalium

  • 4Coal mining in Kentucky — Coal was discovered in Kentucky in 1750. Since the first commercial coal mine opened in 1820 coal has gained both economic importance and controversy regarding its environmental consequences. As of 2010 there are 442 operating coal mines in the… …

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  • 5Coal mining in Australia — Coal is mined in every state of Australia as well as the Northern Territory. It is used to generate electricity and is exported. 75% of the coal mined in Australia is exported, mostly to eastern Asia. In 2000/01, 258.5 million tonnes of coal was… …

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  • 6ultra-clean coal — /ʌltrə klin ˈkoʊl/ (say ultruh kleen kohl) noun coal from which all ash and minerals have been leached out by a chemical process leaving a pure carbon fuel. Abbrev.: UCC …

  • 7Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …

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  • 8coal utilization — Introduction        combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …

    Universalium

  • 9Coal preparation plant — A coal washer in Eastern Kentucky A coal preparation plant (CPP) is a facility that washes coal of soil and rock, preparing it for transport to market. A CPP may also be called a coal handling and preparation plant (CHPP), prep plant, tipple, or… …

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  • 10Coal power in the United States — Sources of electricity in the U.S. in 2009.[1] See also: Coal mining in the United States …

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