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Wood powder characteristics of green milling with the multi-blade shaft mill

Das, Atanu Kumar and Agar, David and Thyrel, Mikael and Rudolfsson, Magnus (2022). Wood powder characteristics of green milling with the multi-blade shaft mill. Powder Technology. 407 , 117664
[Research article]

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Abstract

The quality of wood powders depends on the size reduction technology used to produce them. The pre-drying, chipping, and conventional (impact and attritional) size reduction steps, commonly employed in industry, act to degrade wood and diminish its full potential as a renewable feedstock. In this study, the effect of using a new green (i.e. freshly harvested) milling technology, the multi-blade shaft mill (MBSM), on wood powder properties was investigated. Particle size distribution (PSD) and shape properties were measured by two-dimensional image analysis and surface area analysis was performed. The results showed that the MBSM can produce much finer powders compared to hammer milling, with particles demonstrating unique morphology and high specific surface area. Green wood milling yielded particles with the highest sphericity (0.64), aspect ratio (0.58), and micropore diameter (4.5 nm). Finer particles with spherical shapes enhanced the bulk density. Moreover, mill settings permit tailor-made powders according to the desired PSD.

Authors/Creators:Das, Atanu Kumar and Agar, David and Thyrel, Mikael and Rudolfsson, Magnus
Title:Wood powder characteristics of green milling with the multi-blade shaft mill
Series Name/Journal:Powder Technology
Year of publishing :2022
Volume:407
Article number:117664
Number of Pages:8
ISSN:0032-5910
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Wood Science
URN:NBN:urn:nbn:se:slu:epsilon-p-118114
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-118114
Additional ID:
Type of IDID
DOI10.1016/j.powtec.2022.117664
Alternative URL:https://doi.org/10.1016/j.powtec.2022.117664
ID Code:28437
Faculty:S - Faculty of Forest Sciences
Department:(S) > Department of Forest Biomaterials and Technology
Deposited By: SLUpub Connector
Deposited On:13 Jul 2022 12:25
Metadata Last Modified:13 Jul 2022 12:31

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