Thermochemical behavior of Norway spruce (Picea abies) at 180-225°c

Norway spruce (Picea abies) was heated for 2–8 h in the temperature range 180–225 °C, under a steam atmosphere. The chemical analyses of the treated feedstock samples indicated that during heating (total mass loss 1.5–12.5% of the initial DS) carbohydrates (hemicelluloses and cellulose) were clearly...

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Veröffentlicht in:	Wood science and technology 2002-04, Vol.36 (2), p.163-171
Hauptverfasser:	ALEN, R, KOTILAINEN, R, ZAMAN, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Carbohydrates Cellulose Exact sciences and technology Hemicellulose Hydrolysis, pyrolysis and by-products Lignin Organic chemistry Picea abies Pine trees Polymer industry, paints, wood Raw materials Wood Wood. Paper. Non wovens
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Zusammenfassung:	Norway spruce (Picea abies) was heated for 2–8 h in the temperature range 180–225 °C, under a steam atmosphere. The chemical analyses of the treated feedstock samples indicated that during heating (total mass loss 1.5–12.5% of the initial DS) carbohydrates (hemicelluloses and cellulose) were clearly more amenable to various degradation reactions than lignin. In addition, major water-soluble products released from the feedstock material during the treatments were classified into several compound groups and changes in the relative mass portion of these groups were monitored by GC during a separate experiment.
ISSN:	0043-7719 1432-5225
DOI:	10.1007/s00226-001-0133-1