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Characterization of Scots pine stump-root biomass as feed-stock for gasification
Swedish University of Agricultural Sciences, Vindeln Experimental Forest, Svartberget Research Station.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
Energy Technology Centre, Piteå.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
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2012 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 104, p. 729-736Article in journal (Refereed) Published
Abstract [en]

The main objective was to explore the potential for gasifying Scots pine stump-root biomass (SRB). Washed thin roots, coarse roots, stump heartwood and stump sapwood were characterized (solid wood, milling and powder characteristics) before and during industrial processing. Non-slagging gasification of the SRB fuels and a reference stem wood was successful, and the gasification parameters (synthesis gas and bottom ash characteristics) were similar. However, the heartwood fuel had high levels of extractives (≈ 19%) compared to the other fuels (2 – 8%) and thereby ≈ 16% higher energy contents but caused disturbances during milling, storage, feeding and gasification. SRB fuels could be sorted automatically according to their extractives and moisture contents using near-infrared spectroscopy, and their amounts and quality in forests can be predicted using routinely collected stand data, biomass functions and drill core analyses. Thus, SRB gasification has great potential and the proposed characterizations exploit it.

Place, publisher, year, edition, pages
2012. Vol. 104, p. 729-736
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4037DOI: 10.1016/j.biortech.2011.10.102ISI: 000301155800099Scopus ID: 2-s2.0-84655164340Local ID: 1e58b32a-d92f-4272-a385-1d8275599eb9OAI: oai:DiVA.org:ltu-4037DiVA, id: diva2:976899
Note
Validerad; 2012; 20111114 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Weiland, FredrikStenberg, MartinÖhrman, OlovÖhman, Marcus

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