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The Potential of Using Two-Step Drying Techniques for Improving Energy Efficiency and Increasing Drying Capacity in Fuel Pellet Industries
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. (Miljö- och energisystem)
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. (Energi och hållbar utveckling)
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. (Avdelningen för energi-, miljö- och byggteknik)
2013 (English)In: Drying Technology, ISSN 0737-3937, E-ISSN 1532-2300, Vol. 31, no 15, 1863-1870 p.Article in journal (Refereed) Published
Abstract [en]

The use of wood fuel pellets has increased worldwide in recent years, and pellet producers conclude that the lack of drying capacity is a barrier to increased production. In this study, we develop a concept of two different dryers called the two-step drying technique. The aim is to show the potential for increasing the drying capacity and improving energy efficiency when introducing a second dryer into the pellet plant. The study is theoretical and based on an industrial packed moving bed dryer. It shows that the drying capacity increased by 22% when a pneumatic second dryer was used.

Place, publisher, year, edition, pages
2013. Vol. 31, no 15, 1863-1870 p.
Keyword [en]
Drying capacity, Energy efficiency, Packed moving bed, Pneumatic dryer, Wood fuel pellet
National Category
Energy Engineering
Research subject
Environmental and Energy Systems; Energy Technology
Identifiers
URN: urn:nbn:se:kau:diva-29958DOI: 10.1080/07373937.2013.833520ISI: 000335776300015OAI: oai:DiVA.org:kau-29958DiVA: diva2:661265
Available from: 2013-11-01 Created: 2013-11-01 Last updated: 2013-11-07Bibliographically approved

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Frodeson, StefanBerghel, JonasRenström, Roger
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