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Emissions of Nitrogen Oxide From a Circulating Fluidized Bed Boiler - The Influence of Design Parameters

Lars-Erik Åmand (Institutionen för energiomvandling) ; Bo Leckner (Institutionen för energiomvandling)
Proceedings of the 2nd International Conference on Circulating Fluidized Bed Boilers held in March 1988 in Compiégne, France (1988)
[Konferensbidrag, refereegranskat]

In a circulating bed of silica sand, char is the principal agent for the reduc­tion of nitrogen oxide. The role of volatiles is not significant. Most features observed can be qualitatively explained as a consequence of the presence of char.In a circulating bed with limestone addition, the oxidation of nitrogen containing volatiles causes an increased emission of nitrogen oxide. This effect can be mitigated by avoiding excess addition of limestone in relation to the sulphur content of the fuel or by arranging the air supply in a suitable way, thus de­creasing the oxidation of ammonia.

Nyckelord: fluidized bed combustion, NOx emissions, nitrogen oxide emissions, design parameters

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Denna post skapades 2016-06-29. Senast ändrad 2016-08-15.
CPL Pubid: 238656


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