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CHARCOAL PRODUCTION FROM FOREST RESIDUES

Wang, Liang; Higashi, Charissa; Skreiberg, Øyvind; Grønli, Morten; Antal, Michael Jerry
Journal article, Peer reviewed
Published version
View/Open
Wang2015cpf.pdf (Locked)
URI
http://hdl.handle.net/11250/2470506
Date
2015
Metadata
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  • Institutt for energi og prosessteknikk [2622]
  • Publikasjoner fra CRIStin - NTNU [19694]
Original version
European biomass conference and exhibition proceedings. 2015, 1184-1187.   10.5071/23rdEUBCE2015-3BV.1.15
Abstract
The carbonization behaviors of spruce wood and its forest residue at different conditions were studied in this work. A standard proximateanalysis procedure delivered the lowest charcoaland fixed-carbon yields. Sample sizeconsiderably affected the charcoal and fixed-carbonyields. In this work, for spruce wood andits forest residue, an increase in sample size from10 mg to 130 mg increased the charcoal yield at950°C from 18.60 to 21.49 wt% and 26.78 to28.12 wt%, respectively. For all TGAmeasurements, both charcoal and fixed-carbonyields are significantly enhanced when a closedcrucible is employed, in comparison to an opencrucible. The highest charcoal and fixed-carbonyields obtained in this work were offered by ahigh pressure TGA at 8 bar. These findings showthe influential role of secondary char formingreactions. Conditions that improve or prolongcontact of pyrolytic vapors with the charcoalmatrix enhance the fixed-carbon yield.
Publisher
ETA Florence revewable energies
Journal
European biomass conference and exhibition proceedings

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