Near zero CO2 emissions in coal firing with oxy-fuel circulating fluidized bed boiler

K. Myöhänen (Corresponding Author), T. Hyppänen, Toni Pikkarainen, T. Eriksson, A. Hotta

Research output: Contribution to journalArticleScientificpeer-review

55 Citations (Scopus)

Abstract

Carbon capture and storage is a concept to reduce greenhouse gas emissions of energy production from fossil fuels. In oxy‐fuel combustion, the fuel is burned in a mixture of oxygen and recycled flue gas. This generates CO2‐rich flue gas from which the CO2 is easily separated and compressed. Foster Wheeler Power Group is developing the existing design tools and process models of air‐fired circulating fluidized bed boilers to implement specific features of oxycombustion. The validation data is produced from bench‐scale and pilot‐scale experiments at the VTT, Technical Research Centre of Finland. A three‐dimensional circulating fluidized bed (CFB) furnace model is developed and applied by Lappeenranta University of Technology for predicting the effects of oxycombustion in full scale units. This paper presents concept studies and initial 3D modeling results based on a 460 MWe supercritical CFB power plant at Lagisza, and pilot‐scale studies with flue gas recirculation demonstrating real oxygen combustion conditions.
Original languageEnglish
Pages (from-to)355-363
Number of pages9
JournalChemical Engineering and Technology
Volume32
Issue number3
DOIs
Publication statusPublished - 2009
MoE publication typeA1 Journal article-refereed

Fingerprint

Coal
Flue gases
Fluidized beds
Boilers
Fluidized bed furnaces
Oxygen
Carbon capture
Gas emissions
Fossil fuels
Greenhouse gases
Power plants
Experiments

Keywords

  • Carbon capture
  • Circulating fluidized beds
  • Modeling
  • Oxy-fuel combustion
  • Pilot testing

Cite this

Myöhänen, K. ; Hyppänen, T. ; Pikkarainen, Toni ; Eriksson, T. ; Hotta, A. / Near zero CO2 emissions in coal firing with oxy-fuel circulating fluidized bed boiler. In: Chemical Engineering and Technology. 2009 ; Vol. 32, No. 3. pp. 355-363.
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Near zero CO2 emissions in coal firing with oxy-fuel circulating fluidized bed boiler. / Myöhänen, K. (Corresponding Author); Hyppänen, T.; Pikkarainen, Toni; Eriksson, T.; Hotta, A.

In: Chemical Engineering and Technology, Vol. 32, No. 3, 2009, p. 355-363.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Near zero CO2 emissions in coal firing with oxy-fuel circulating fluidized bed boiler

AU - Myöhänen, K.

AU - Hyppänen, T.

AU - Pikkarainen, Toni

AU - Eriksson, T.

AU - Hotta, A.

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AB - Carbon capture and storage is a concept to reduce greenhouse gas emissions of energy production from fossil fuels. In oxy‐fuel combustion, the fuel is burned in a mixture of oxygen and recycled flue gas. This generates CO2‐rich flue gas from which the CO2 is easily separated and compressed. Foster Wheeler Power Group is developing the existing design tools and process models of air‐fired circulating fluidized bed boilers to implement specific features of oxycombustion. The validation data is produced from bench‐scale and pilot‐scale experiments at the VTT, Technical Research Centre of Finland. A three‐dimensional circulating fluidized bed (CFB) furnace model is developed and applied by Lappeenranta University of Technology for predicting the effects of oxycombustion in full scale units. This paper presents concept studies and initial 3D modeling results based on a 460 MWe supercritical CFB power plant at Lagisza, and pilot‐scale studies with flue gas recirculation demonstrating real oxygen combustion conditions.

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KW - Modeling

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