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Träfflista för sökning "LAR1:cth ;conttype:(scientificother);pers:(Johnsson Filip 1960);pers:(Leckner Bo G 1936)"

Search: LAR1:cth > Other academic/artistic > Johnsson Filip 1960 > Leckner Bo G 1936

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  • Fleig, Daniel, 1980, et al. (author)
  • Sulphur chemistry in oxy-fuel combustion
  • 2009
  • In: VDI-Berichte. - 0083-5560. - 9783180920566 ; 2056:24. Deutscher Flammentag, s. 289-294
  • Conference paper (other academic/artistic)
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  • Fleig, Daniel, 1980, et al. (author)
  • The fate of sulphur during oxy-fuel combustion of lignite
  • 2009
  • In: Energy Procedia. - : Elsevier BV. - 1876-6102. ; 1:1, s. 383-390
  • Conference paper (other academic/artistic)abstract
    • This work focuses on the sulphur chemistry in oxy-fuel combustion of lignite. Comparison is made with air-fired conditions, and the main combustion products containing sulphur (ash, SO2, SO3 and H2S) are examined by modelling and experimental data. The conversion of fuel-S to SO2 is lower in oxy-fuel than in air-fuel conditions and the SO2 concentration per unit energy supplied is therefore reduced. The modelling shows that the SO3 concentration is about four times greater than the concentration in air-firing. High SO3 and H2O contents in the oxy-fuel flue gas during wet recycling increase the acid dew-point by 20 to 30 K.
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  • Fleig, Daniel, 1980, et al. (author)
  • The Sulphur Mass Balance in Oxy-Fuel Combustion of Lignite
  • 2009
  • In: 1st OXYFUEL COMBUSTION CONFERENCE: September 8-11, 2009, Cottbus, Germany.
  • Conference paper (other academic/artistic)abstract
    • This work presents an experimental study of the sulphur chemistry in oxy-fuel combustion of pulverized lignite. It has been observed that the emission of sulphur dioxide (SO2) by unit energy supplied is lower in oxy-fuel combustion than in air combustion [1-5] but the reason for this is not clear. In order to validate previous work and to clarify this difference the present work compares the amount of emitted SO2 in air and oxy-fuel combustion (wet and dry flue-gas recycle). Furthermore, the amounts of sulphur in the ash and in the water of the flue-gas condenser were determined to make a mass balance and to verify the measured amount of SO2 in the flue gas.
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  • Johnsson, Filip, 1960, et al. (author)
  • Fluidization regimes in boilers
  • 1995
  • In: Preprints of Fluidization VIII. ; , s. 129-136
  • Conference paper (other academic/artistic)abstract
    • The fluid dynamics were studied in a fluidized bed boiler and in two laboratory fluidized beds under ambient conditions. The beds had different geometries but were all of a non-slugging type operated with Geldart Group B and D particles. The bed geometry was found to strongly influence the fluid dynamics of the bed.
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  • Result 1-10 of 24

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