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N2O-Emissions from Fluidized Bed Combustion
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- Andersson, Sven B, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Åmand, Lars-Erik, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Leckner, Bo G, 1936 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 1988
- 1988
- English.
- In: Proceedings of IEA AFBC Technical Meting held in November 1988 in Amsterdam, The Netherlands.
- Conference paper (other academic/artistic)
Abstract
Subject headings
Close
- Nitrous oxide, N20, is formed during combustion. In flames the N20 is removed because of the fast destruction at high temperatures. At the temperatures of fluidized bed combustion the destruction is much slower and N20 will leave the system, normally at a concentration of 50-200 ppm when burning coal. Using the results of the preliminary model in a CFB, it can be assumed that:- N20 is formed from char nitrogen in the bottom bed because of reactions in the pores of the particle. - Only some N20 is formed when NO is reduced during its journey up through the combustion chamber. - N20 is formed from HCN. This is a slow process (taking seconds) and it therefore takes place principally above the bottom bed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
Keyword
- formation
- fluidized bed combustion
- nitrous oxide
- N2O
- destruction
Publication and Content Type
- kon (subject category)
- vet (subject category)
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