Chemical Looping Combustion: Difference between revisions

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=Basics=
=Basics=
*Often abbreviated as CLC
*Often abbreviated as CLC
*A Combustion technology using metal oxides as the oxygen source, thus air never contacts the combustion chamber thus making the formation of nitrogen dioxides near impossible
*A form of [[Oxy-Fuel Combustion Process]] technology using metal oxides as the oxygen source, thus air never contacts the combustion chamber thus making the formation of nitrogen dioxides near impossible
*Assuming the fuel used is either pure carbon, or methane, there should be no heavy metals or hydrogen sulphide as well
*Assuming the fuel used is either pure carbon, or methane, there should be no heavy metals or hydrogen sulphide as well
*Uses a [[Fluidized Bed Reactor]], and a [[Fluidized Bed Combustor]] / [[Fluidized Bed Gassifier]]
*Uses a [[Fluidized Bed Gassifier]] for syngas production, then [[Fluidized Bed Reactor]] with the metal oxide as a sort of air free burner
*This also lowers the total flue gas volume, and makes the composition near pure carbon dioxide and water vapor
*This also lowers the total flue gas volume, and makes the composition near pure carbon dioxide and water vapor
*The water vapor can be condensed leaving near pure carbon dioxide
*The water vapor can be condensed leaving near pure carbon dioxide
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**The mechanism of transfer between fluidised beds
**The mechanism of transfer between fluidised beds
**If NOx is produced and how much
**If NOx is produced and how much
**If the oxygen can be diverted to devices such as a [[Gas Turbine]] for workflows with Fluidised Bed Gassification making syngas for a gas turbine
**What oxides to use and if they need a substrate etc
**What oxides to use and if they need a substrate etc
**Pollution/Tar Issues?


=See Also=
=Internal Links=
*
*


=Useful Links=
=External Links=
*[https://en.wikipedia.org/wiki/Chemical_looping_combustion The Wikipedia Page on  Chemical Looping Combustion]
*[https://en.wikipedia.org/wiki/Chemical_looping_combustion The Wikipedia Page on  Chemical Looping Combustion]
*[https://www.powermag.com/chemical-looping-and-coal/ AN Article on CLC] this is aimed twards coal, and the website covers many non-renewable resources, so possible bias (although they do cover biomass and other renewables as well)
*[https://www.powermag.com/chemical-looping-and-coal/ AN Article on CLC] this is aimed twards coal, and the website covers many non-renewable resources, so possible bias (although they do cover biomass and other renewables as well)
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*[https://www.researchgate.net/publication/286806583_Parametric_and_exergetic_analysis_of_a_power_plant_with_CO2_capture_using_chemical_looping_combustion A Research Paper on CLC]
*[https://www.researchgate.net/publication/286806583_Parametric_and_exergetic_analysis_of_a_power_plant_with_CO2_capture_using_chemical_looping_combustion A Research Paper on CLC]
*[https://dsps.lib.uiowa.edu/clcprocess/clc/ A A University of Iowa Article on the Subject]
*[https://dsps.lib.uiowa.edu/clcprocess/clc/ A A University of Iowa Article on the Subject]
*[https://pubs.acs.org/doi/abs/10.1021/ef900033n A Paper on a 10 (thermal) kilowatt biomass clc reactor, using iron oxide as a carrier]
*[https://www.sciencedirect.com/science/article/abs/pii/S1750583614001224 Meant for coal, seemed to seperate gassification, and CLC? ]
*[https://pubs.acs.org/doi/abs/10.1021/ef900033n Chemical-Looping Combustion of Biomass in a 10 kWth Reactor with Iron Oxide As an Oxygen Carrier]
[[Category: Energy]] [[Category: Pollution]]

Latest revision as of 03:43, 5 July 2021

Basics

  • Often abbreviated as CLC
  • A form of Oxy-Fuel Combustion Process technology using metal oxides as the oxygen source, thus air never contacts the combustion chamber thus making the formation of nitrogen dioxides near impossible
  • Assuming the fuel used is either pure carbon, or methane, there should be no heavy metals or hydrogen sulphide as well
  • Uses a Fluidized Bed Gassifier for syngas production, then Fluidized Bed Reactor with the metal oxide as a sort of air free burner
  • This also lowers the total flue gas volume, and makes the composition near pure carbon dioxide and water vapor
  • The water vapor can be condensed leaving near pure carbon dioxide
  • RESEARCH NEEDED
    • The mechanism of transfer between fluidised beds
    • If NOx is produced and how much
    • What oxides to use and if they need a substrate etc
    • Pollution/Tar Issues?

Internal Links

External Links