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Comprehensive study of the thermal decomposition of different hemicelluloses
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik. (TEC-Lab)
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik. (TEC-Lab)ORCID-id: 0000-0003-1095-9154
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik.
2013 (engelsk)Inngår i: European Biomass Conference and Exhibition Proceedings: 21nd European Biomass Conference and Exhibition, ETA-Florens Renewable Energies , 2013, s. 944-946Konferansepaper, Publicerat paper (Annet vitenskapelig)
Abstract [en]

Carbohydrates (cellulose and hemicellulose) constitute the main fraction of plant cell walls and detailed knowledge about their thermal decomposition are therefore of great importance for understanding pyrolytic degradation properties of biomass. Hemicellulose is a diverse group of non-cellulosic polysaccharides and is composed of chains of different monomeric sugar units (pentoses, hexoses and hexuronic acids). The heterogeneous structures of hemicelluloses should be considered when evaluating the decomposition behavior. Nevertheless, thermal analysis of hemicellulose often uses the commercially available xylan as a model compound of hemicelluloses. In contrast to previous work several polysaccharides (xylan arabinogalactan, galactomannan, xyloglucan, and cellulose) were thoroughly investigated in the current study by thermogravimetric analysis, differential scanning calorimetry and pyrolysis-gas chromatography/mass spectrometry during heating in inert atmosphere. The results gave new insights into hemicellulose decomposition and demonstrated that different hemicelluloses have different decompoition behavior.

sted, utgiver, år, opplag, sider
ETA-Florens Renewable Energies , 2013. s. 944-946
Emneord [en]
biomass, cellulose, hemicellulose, pyrolysis
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-84623ISBN: 978-88-89407-53-0 (tryckt)OAI: oai:DiVA.org:umu-84623DiVA, id: diva2:686267
Konferanse
21nd European Biomass Conference and Exhibition, Copenhagen, June 3-7, 2013
Tilgjengelig fra: 2014-01-10 Laget: 2014-01-10 Sist oppdatert: 2019-05-09bibliografisk kontrollert

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Werner, KajsaBorén, EleonoraBroström, MarkusPommer, Linda

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