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Characterization of Particulate Matter in the Hot Product Gas from Indirect Steam Bubbling Fluidized Bed Gasification of Wood Pellets

eva gustafsson ; leteng lin ; Martin Seemann (Institutionen för energi och miljö, Energiteknik, Chalmers förgasare) ; Jennie Rodin ; Michael Strand
Energy & Fuels (0887-0624). Vol. 25 (2011), 4, p. 1781-1789.
[Artikel, refereegranskad vetenskaplig]

This study characterized the particulate matter (PM) formed during indirect steam bubbling fluidized bed gasification of wood pellets at atmospheric pressure. A system including a dilution probe, a bed of granular activated carbon, and a thermodenuder was used to sample the PM at high temperature with the aim of separating it from condensing inorganic vapors and tars. The particle mass size distribution was bimodal with a fine mode in the <0.5-μm size range and a dominating coarse mode in the > 0.5-μm size range. The coarse mode was representatively characterized, but condensing inorganic vapors and tars complicated the evaluation of the results for the fine-mode PM. Morphological analysis of the PM indicated that the char content was low. The inorganic fraction was dominated by potassium and chlorine for fine-mode PM and calcium and silicon for coarse-mode PM.



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Denna post skapades 2011-04-04. Senast ändrad 2017-08-17.
CPL Pubid: 138570

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik, Chalmers förgasare (2007-2017)

Ämnesområden

Energi
Termisk energiteknik

Chalmers infrastruktur