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  2. Coal gasification - Wikipedia

    en.wikipedia.org/wiki/Coal_gasification

    Coal gas is combustible and was used for heating and municipal lighting, before the advent of large-scale extraction of natural gas from oil wells. In current practice, large-scale coal gasification installations are primarily for electricity generation (both in conventional thermal power stations and molten carbonate fuel cell power stations ...

  3. Repowering - Wikipedia

    en.wikipedia.org/wiki/Repowering

    With new environmental regulation in the United States, coal-fired power plants are becoming obsolete. As many as three-fourths of coal-fired power plants are being shut down. [citation needed] Short-term options include retiring the plant or quick conversion to direct firing of the boiler with natural gas. Repowering these old coal burning ...

  4. Phase-out of fossil fuel boilers - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_fossil_fuel...

    Ban on new gas furnaces and water heaters. 2030 California Air Resources Board writing rules to implement. [6] Denmark Convert all 400,000 gas boilers to district heating and heat pumps 2029 Use obligation and duty for renewable energy France Oil and gas boilers banned in new buildings 2023 Germany Ban on coal and oil boilers in existing buildings

  5. Underground coal gasification - Wikipedia

    en.wikipedia.org/wiki/Underground_coal_gasification

    Underground coal gasification converts coal to gas while still in the coal seam (in-situ). Gas is produced and extracted through wells drilled into the unmined coal seam. Injection wells are used to supply the oxidants (air, oxygen) and steam to ignite and fuel the underground combustion process. Separate production wells are used to bring the ...

  6. Gasification - Wikipedia

    en.wikipedia.org/wiki/Gasification

    Gasification is a process that converts biomass- or fossil fuel-based carbonaceous materials into gases, including as the largest fractions: nitrogen (N 2), carbon monoxide (CO), hydrogen (H 2), and carbon dioxide (CO 2).

  7. Integrated gasification combined cycle - Wikipedia

    en.wikipedia.org/wiki/Integrated_gasification...

    In particular, coal contains more CO 2 per BTU than oil or natural gas and is responsible for 43% of CO 2 emissions from fuel combustion. Thus, the lower emissions that IGCC technology allows through gasification and pre-combustion carbon capture is discussed as a way to addressing aforementioned concerns. [1]

  8. Coal gasification commercialization - Wikipedia

    en.wikipedia.org/wiki/Coal_gasification...

    Coal gasification is a process whereby a hydrocarbon feedstock (coal) is converted into gaseous components by applying heat under pressure in the presence of steam. Rather than burning, most of the carbon-containing feedstock is broken apart by chemical reactions that produce "syngas."

  9. Coal gas - Wikipedia

    en.wikipedia.org/wiki/Coal_gas

    In the United Kingdom the discovery of large reserves of natural gas, or sea gas as it was known colloquially, in the Southern North Sea off the coasts of Norfolk and Yorkshire in 1965 [8] [9] led to the expensive conversion or replacement of most of Britain's gas cookers and gas heaters, from the late 1960s onwards, the process being completed ...

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