Modeling of nitrogen oxides emissions from CFB combustion

Sirpa Kallio, Marja Keinonen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Abstract

In this work, a simplified description of combustion and nitrogen oxides chemistry based on 12 components was implemented in a 1.5D model framework with the aim to compare the results with ones earlier obtained with a detailed reaction scheme. Heterogeneous chemistry is given by the same models as in the earlier work but the homogeneous and catalytic reactions have been taken from other literature sources. A simulation of combustion of bituminous coal in the Chalmers 12 MW boiler is conducted and the results are compared with the results obtained earlier with the detailed chemistry description and with measured O2, CO, NO and N2O profiles. The simplified reaction scheme produces equally good results as earlier obtained with the more elaborate chemistry description.
Original languageEnglish
Title of host publicationProceedings of the 20th International Conference on Fluidized Bed Combustion
Place of PublicationBeijing
PublisherSpringer
Pages993-998
ISBN (Print)978-7-302-20146-5
DOIs
Publication statusPublished - 2009
MoE publication typeA4 Article in a conference publication
Event20th International Conference on Fluidized Bed Combustion - Xi'an, China
Duration: 18 May 200921 May 2009

Conference

Conference20th International Conference on Fluidized Bed Combustion
CountryChina
CityXi'an
Period18/05/0921/05/09

Fingerprint

Nitrogen Oxides
Coal
Carbon Monoxide
Boilers

Keywords

  • CFB
  • 1D modeling
  • nitrogen oxides
  • emission

Cite this

Kallio, S., & Keinonen, M. (2009). Modeling of nitrogen oxides emissions from CFB combustion. In Proceedings of the 20th International Conference on Fluidized Bed Combustion (pp. 993-998). Beijing: Springer. https://doi.org/10.1007/978-3-642-02682-9_154
Kallio, Sirpa ; Keinonen, Marja. / Modeling of nitrogen oxides emissions from CFB combustion. Proceedings of the 20th International Conference on Fluidized Bed Combustion. Beijing : Springer, 2009. pp. 993-998
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Kallio, S & Keinonen, M 2009, Modeling of nitrogen oxides emissions from CFB combustion. in Proceedings of the 20th International Conference on Fluidized Bed Combustion. Springer, Beijing, pp. 993-998, 20th International Conference on Fluidized Bed Combustion, Xi'an, China, 18/05/09. https://doi.org/10.1007/978-3-642-02682-9_154

Modeling of nitrogen oxides emissions from CFB combustion. / Kallio, Sirpa; Keinonen, Marja.

Proceedings of the 20th International Conference on Fluidized Bed Combustion. Beijing : Springer, 2009. p. 993-998.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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N2 - In this work, a simplified description of combustion and nitrogen oxides chemistry based on 12 components was implemented in a 1.5D model framework with the aim to compare the results with ones earlier obtained with a detailed reaction scheme. Heterogeneous chemistry is given by the same models as in the earlier work but the homogeneous and catalytic reactions have been taken from other literature sources. A simulation of combustion of bituminous coal in the Chalmers 12 MW boiler is conducted and the results are compared with the results obtained earlier with the detailed chemistry description and with measured O2, CO, NO and N2O profiles. The simplified reaction scheme produces equally good results as earlier obtained with the more elaborate chemistry description.

AB - In this work, a simplified description of combustion and nitrogen oxides chemistry based on 12 components was implemented in a 1.5D model framework with the aim to compare the results with ones earlier obtained with a detailed reaction scheme. Heterogeneous chemistry is given by the same models as in the earlier work but the homogeneous and catalytic reactions have been taken from other literature sources. A simulation of combustion of bituminous coal in the Chalmers 12 MW boiler is conducted and the results are compared with the results obtained earlier with the detailed chemistry description and with measured O2, CO, NO and N2O profiles. The simplified reaction scheme produces equally good results as earlier obtained with the more elaborate chemistry description.

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Kallio S, Keinonen M. Modeling of nitrogen oxides emissions from CFB combustion. In Proceedings of the 20th International Conference on Fluidized Bed Combustion. Beijing: Springer. 2009. p. 993-998 https://doi.org/10.1007/978-3-642-02682-9_154