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Secondary comminution of wood pellets in power plant and laboratory-scale mills

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posted on 2023-02-21, 16:32 authored by Anna TrubetskayaAnna Trubetskaya, Yunus Poyraz, Roman Weber, Johan Wadenbäck
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.

Funding

Danish Strategic Research Council

DSF-10-093956

History

Publication

Fuel Processing Technology;160, pp.216-227

Publisher

Elsevier

Note

peer-reviewed The full text of this article will not be available in ULIR until the embargo expires on the 14/03/2019

Other Funding information

Danish Strategic Research Council

Rights

This is the author’s version of a work that was accepted for publication in Fuel Processing Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Fuel Processing Technology, 2017, 160, pp. 216-227, https://doi.org/10.1016/j.fuproc.2017.02.023

Language

English

Department or School

  • Chemical Sciences

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