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Characterization of Scots pine stump-root biomass as feed-stock for gasification
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energy Technology Center.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energy Technology Center.
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2012 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 104, p. 729-736Article in journal (Refereed)
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. © 2011 Elsevier Ltd.

Place, publisher, year, edition, pages
2012. Vol. 104, p. 729-736
Keywords [en]
Gasification, Root, Scots pine, Stump
Keywords [sv]
Energiteknik
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:ri:diva-6961DOI: 10.1016/j.biortech.2011.10.102PubMedID: 22130078Scopus ID: 2-s2.0-84655164340OAI: oai:DiVA.org:ri-6961DiVA, id: diva2:964816
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2017-11-21Bibliographically approved

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