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Reduction of N2O emissions from fluidized bed combustion with afterburning

Lennart Gustavsson ; Bo Leckner (Institutionen för energiomvandling)
Proc. of the 6th International Workshop on Nitrous Oxide Emissions (0785-5052). Vol. 6 (1992), p. 125-138.
[Konferensbidrag, övrigt]

One way to reduce N2O emissions is to raise the temperature of the combustion gases. This can be done in the combustion chamber during conventional operation, but also through injection of a secondary fuel, preferably in a separate combustion chamber. This paper reports investigations at the 12 MW circulating fluidized bed boiler at Chalmers University of Technology, where in the absence of a seperate combustion chamber, secondary fuel was injected into the primary cyclone. While the gas temperature was increased in the cyclone. While the gas temperature was increased in the cyclone, normal operation was maintained in the furnace. A temperature increase of 150 deg C was sufficient to remove almost all N2O.

Nyckelord: Fluidized bed combustion; coal; Emission reduction; N2O


ÅAU CCRG Report 94-10, Åbo Academi University, Turku, Finland. Organised by ÅAU/HUT/VTT/NIRE/IFP/US EPA



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Denna post skapades 2016-07-04. Senast ändrad 2016-08-15.
CPL Pubid: 238907

 

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Institutionen för energiomvandling (1900-2003)

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Energi
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