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Encyclopedia > Clean coal

Clean coal is the name attributed to coal chemically washed of minerals and impurities, sometimes gasified, burned and the resulting flue gases treated with steam and reburned so as to make the carbon dioxide in the flue gas economically recoverable. The carbon dioxide can then be captured and stored instead of being released into the atmosphere - see Carbon capture and storage). Minerals are natural compounds formed through geological processes. ... For the water carbonator, see Gasogene. ... In physical chemistry, and in engineering, steam refers to vaporized water. ... Carbon dioxide is an atmospheric gas comprised of one carbon and two oxygen atoms. ... Carbon capture and storage (CCS) is a plan to mitigate climate change by capturing carbon dioxide (CO2) from large point sources such as power plants and subsequently storing it away safely instead of releasing it into the atmosphere. ...


The primary example of clean coal is the proposed U.S. FutureGen plant - a zero-emissions coal-fired power plant. Motto: E pluribus unum (1789 to 1956) (Latin: Out of Many, One) In God We Trust (1956 to present) Anthem: The Star-Spangled Banner Capital Washington, D.C. Largest city New York City Official language(s) None at federal level; English de facto Government • President • Vice President Federal republic George... FutureGen is a project of the US government to build a zero-emissions coal-fired power plant that produces hydrogen and electricity while using carbon dioxide sequestration. ... A power station (also power plant) is a facility for the generation of electric power. ...


It is also widely believed that some process similar to the natural gas fuel cell or microbial fuel cell (charged from biomass or sewage) may be practical using coal as fuel. Those technologies are used mostly for stationary fuel cells as charging is slow. A large power plant in a coal mine might be the most energy efficient approach and require the least transport of coal to the users, though the return of the coal chute and use in homes is also not impossible in some places, especially if home sewage or natural gas lines can be tapped as well by an improved fuel reformer technology such as that used already to convert methanol, gasoline to the natural gas form. A microbial fuel cell exploits electrical currents generated by bacteria. ... Biomass is organic non-fossil material, collectively. ... Sewage includes domestic, municipal, or industrial liquid waste products disposed of via a pipe or similar structure. ... Methanol, also known as methyl alcohol or wood alcohol, is a chemical compound with chemical formula CH3OH. It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid with a very faint odor. ... Gasoline (or petrol) is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. ...


See also

It has been suggested that Town gas be merged into this article or section. ... Carbon capture and storage (CCS) is a plan to mitigate climate change by capturing carbon dioxide (CO2) from large point sources such as power plants and subsequently storing it away safely instead of releasing it into the atmosphere. ... It has been suggested that Syngas be merged into this article or section. ... It has been suggested that Fluidized-bed combustion be merged into this article or section. ... It has been suggested that Energy Policy Act of 2005 Vote be merged into this article or section. ... The Asia-Pacific Partnership for Clean Development and Climate is an international non-treaty agreement between Australia, India, Japan, the Peoples Republic of China, South Korea, and the United States announced July 28, 2005 at an Association of South East Asian Nations (ASEAN) Regional Forum meeting and launched on...

External links

  • British article on ultra-clean coal
  • CNNMoney story on clean coal economics
  • "Beyond Kyoto" Initiative
  • National Energy Technology Laboratory compendium homepage
  • Uranium Information Centre paper on "Clean Coal" Technologies

  Results from FactBites:
 
Clean coal Summary (1436 words)
Clean coal particles are carried to the top of the jig by this motion, while heavier refuse particles sink to the bottom.
The clean coal particles remain in the center of the air column and are drawn off at the top of the cylinder.
Clean coal is the name attributed to coal chemically washed of minerals and impurities, sometimes gasified, burned and the resulting flue gases treated with steam, with the purpose of almost completely eradicating sulphur dioxide and reburned so as to make the carbon dioxide in the flue gas economically recoverable.
Clean coal - Wikipedia, the free encyclopedia (168 words)
Clean coal is the name attributed to coal chemically washed of minerals and impurities, sometimes gasified, burned and the resulting flue gases treated with steam and reburned so as to make the carbon dioxide in the flue gas economically recoverable.
The primary example of clean coal is the proposed U.S. FutureGen plant - a zero-emissions coal-fired power plant.
It is also widely believed that some process similar to the natural gas fuel cell or microbial fuel cell (charged from biomass or sewage) may be practical using coal as fuel.
  More results at FactBites »

 
 

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