CPL - Chalmers Publication Library
| Utbildning | Forskning | Styrkeområden | Om Chalmers | In English In English Ej inloggad.

Reversed air staging - a method to reduce nitrous oxide emissions from circulating fluidized bed boilers

Anders Lyngfelt (Institutionen för energiteknik) ; Lars-Erik Åmand (Institutionen för energiteknik) ; Elke Müller ; Bo Leckner (Institutionen för energiteknik)
Proceedings of the 7th International Workshop on Nitrous Oxide Emissions, Cologne, Ber. Bergische Univ. Gesamthochsch. Wuppertal Fachbereich 9 Phys. Chem. 41, p. 75-82. (1997)
[Konferensbidrag, refereegranskat]

Reversed air staging is a method to reduce nitrous oxide (N2O)emissions from circulating fluidized bed boilers (FBBs). Tests in a 12 MW circulating FBB show that the N20 emission can be lowered to one fourth without affecting the emissions of NO,SO2 or CO and without adverse effects on the combustion efficiency. The focus of the paper is on the conditions in the combustion chamber. Measurements inside the combustion chamber reveal how the combustion conditions are affected by reversed air staging compared to normal air staging. These measurements confirm the working principle of reversed air staging, namely to provide more oxidizing conditions in the lower part of the combustion chamber and lower stoichiometry in the upper part of the combustion chamber.

Nyckelord: Fluidized bed combustion, Reversed air staging, nitrous oxide emissions, N2O



Den här publikationen ingår i följande styrkeområden:

Läs mer om Chalmers styrkeområden  

Denna post skapades 2011-01-18. Senast ändrad 2016-08-15.
CPL Pubid: 134920

 

Läs direkt!

Lokal fulltext (fritt tillgänglig)


Institutioner (Chalmers)

Institutionen för energiteknik (1970-2004)

Ämnesområden

Energi
Hållbar utveckling
Termisk energiteknik
Kemiteknik
Miljöteknik

Chalmers infrastruktur

Chalmers Kraftcentral (CK)