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Emissions from sawdust in packed moving bed dryers and subsequent pellet production
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
2016 (English)In: Drying Technology, ISSN 0737-3937, E-ISSN 1532-2300, Vol. 34, no 3, 258-266 p.Article in journal (Refereed) PublishedText
Abstract [en]

This study quantifies emissions of hydrocarbon terpenes from the drying of sawdust in packed moving bed dryers, through the production chain to the finished pellets, and determines the parameters suitable for emission control. The terpene content in softwood sawdust and pellets was analyzed using gas chromatography. The distribution of VOC emissions over the bed was measured with a flame ionization detector. After drying, 30-40% of the initial terpenes remain in the wood, 20-30% remain after grinding, and 10-15% remain after pelleting. Dryer emissions correlate with residence time and final sawdust moisture content. Pellet press emissions correlate with pellet moisture content.

Place, publisher, year, edition, pages
2016. Vol. 34, no 3, 258-266 p.
Keyword [en]
Dryer, pellets, sawdust, terpene, VOC
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-40997DOI: 10.1080/07373937.2015.1043555ISI: 000367606500002OAI: oai:DiVA.org:kau-40997DiVA: diva2:910585
Available from: 2016-03-09 Created: 2016-03-09 Last updated: 2016-03-09Bibliographically approved

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Granstrom, KarinJaveed, Atif
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