Effects of the torrefaction conditions on the fixed-bed pyrolysis of Norway spruce (Articolo in rivista)

Type
Label
  • Effects of the torrefaction conditions on the fixed-bed pyrolysis of Norway spruce (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ef501395b (literal)
Alternative label
  • Branca C., Di Blasi C., Galgano A., Brostrom M. (2014)
    Effects of the torrefaction conditions on the fixed-bed pyrolysis of Norway spruce
    in Energy & fuels (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Branca C., Di Blasi C., Galgano A., Brostrom M. (literal)
Pagina inizio
  • 5882 (literal)
Pagina fine
  • 5891 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84913556408&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 28 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Ricerche Sulla Combustione, C.N.R., P.le V. Tecchio, Napoli, 80125, Italy Dipartimento di Ingegneria Chimica, dei Materiali e Della Produzione Industriale, Università degli Studi di Napoli Federico II, P.le V. Tecchio, Napoli, 80125, Italy Thermochemical Energy Conversion Laboratory, Department of Applied Physics and Electronics, Umea University, Umea, S-901 87, Sweden (literal)
Titolo
  • Effects of the torrefaction conditions on the fixed-bed pyrolysis of Norway spruce (literal)
Abstract
  • Fixed-bed pyrolysis of Norway spruce wood previously subjected to torrefaction at temperatures between 533 and 583 K and retention times between 8 and 25 min was studied. Although the thermal pretreatment always results in an increased production of char at the expense of volatile products, appropriate torrefaction conditions give rise to maximum percentages of anhydrosugars, guaiacols possessing a carbonyl group, and phenols in the liquid fraction. Other carbohydrates (e.g., acetic acid, formic acid, hydroxyacetaldehyde, hydroxypropanone, furfural, and furfuryl alcohol) and the large majority of guaiacols show continuously decreasing values. The percentages of carbon monoxide and carbon dioxide in the gas product remain approximately the same, but that of methane slightly increases. The pyrolysis temperatures of torrefied wood are lower than those of the raw material, mainly because of the partial or complete absence of the exothermic contribution associated with extractives and hemicellulose degradation. (literal)
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