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Secondary comminution of wood pellets in power plant and laboratory-scale mills
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-6571-3277
Institute of Energy Processes Engineering and Fuel Technology, Clausthal University of Technology.
Institute of Energy Processes Engineering and Fuel Technology, Clausthal University of Technology.
Amager power plant, HOFOR A/S.
Number of Authors: 4
2017 (English)In: Fuel processing technology, ISSN 0378-3820, E-ISSN 1873-7188, Vol. 160, 216-227 p.Article in journal (Refereed) Published
Abstract [en]

This study aims to determine the influence of mill type and pellet wood composition on particle size and shape of milled wood. The size and shape characteristics of pellets comminuted using power plant roller mills were compared with those obtained by using laboratory-scale roller- and hammer mills. A 2D dynamic imaging device was used for particle characterization. It was shown that mill type has a significant impact on particle size but an almost negligible effect on the shape of milled wood. Comminution in the pilot plant using a Loesche roller mill requires less energy than using a hammer mill, but generates a larger fraction of coarse particles. The laboratory-scale roller mill provides comparable results with the power plant roller mill with respect to particle size and shape.

Place, publisher, year, edition, pages
2017. Vol. 160, 216-227 p.
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-62484DOI: 10.1016/j.fuproc.2017.02.023OAI: oai:DiVA.org:ltu-62484DiVA: diva2:1081496
Note

Validerad; 2017; Nivå 2; 2017-03-14 (andbra)

Available from: 2017-03-14 Created: 2017-03-14 Last updated: 2017-03-24Bibliographically approved

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