Purification of oxyfuel-derived CO2

Vince White, Laura Torrente-Murciano, David Sturgeon, David Chadwick

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75 Citations (SciVal)


Oxyfuel combustion in a pulverised fuel coal-fired power station produces a raw CO2 product containing contaminants such as water vapour plus oxygen, nitrogen and argon derived from the excess oxygen for combustion, impurities in the oxygen used, and any air leakage into the system. There are also acid gases present, such as SO3, SO2, HCl and NOX produced as byproducts of combustion. At GHGT8 [2] we presented reactions that gave a path-way for SO2 to be removed as H2SO4 and NO and NO2 to be removed as HNO3. In this paper we present initial results from the Oxyfuel-UK project in which these reactions are being studied experimentally to provide the important reaction kinetic information that is so far missing from the literature. This experimental work is being carried out at Imperial College London with synthetic flue gas and then using actual flue gas via a sidestream at Doosan Babcock’s 160kW coal-fired oxyfuel rig.
Original languageEnglish
Pages (from-to)399-406
Number of pages8
JournalEnergy Procedia
Issue number1
Publication statusPublished - Feb 2009


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