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Formation of N2O in Circulating Fluidized Bed Boilers

Lars-Erik Åmand (Institutionen för energiomvandling) ; Bo Leckner (Institutionen för energiomvandling) ; Sven Andersson (Institutionen för energiomvandling)
Proceedings 2:a Nordiska Konferensen om Svaveldioxid och Kväveoxidbegränsning vid Förbränning av Fasta Bränslen, Danmarks Tekniska Högskola, Lyngby, november 1990 (1990)
[Konferensbidrag, övrigt]

The N2O formation in circulating fluidized bed boilers is assumed to be influenced by two formation routes, either by char or by hydrogen cyanide originating from the fuel volatiles. A test program has been carried out with the purpose to better understand the formation routes. The test program consists of step response tests in a 12 MW circulating fluidized bed boiler. Concentration profiles of O2, CO2, CO, NO, HCN, NH3 and C1 to C3 hydrocarbons in the combustion chamber of the boiler were also measured in order to support the conclusions from the step response tests. The importance of the two routes is discussed but no conclusions can be made about their magnitude.

Nyckelord: fluidised bed combustion, N2O, nitrous oxide, formation, HCN, concentration profiles

The "2:nd Nordic Conference on SO2- and NOx reduction during Combustion of Solid Fuels" was organised by the Technical University of Denmark as part of a Nordic Cooperation organised by the Nordic Council.

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Denna post skapades 2016-06-28. Senast ändrad 2016-08-15.
CPL Pubid: 238446


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Institutionen för energiomvandling (1900-2003)


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