Size distribution of wood particles for extruded particleboard production determined by sieve analysis and image analysis-based particle size measurement
Three wood particle types of different origin [knife ring flaker (KRF), hammer mill (HM), sawmill plant] for the manufacture of extruded particleboards were characterized by conventional sieve analysis and image analysis-based particle size measurement. Sieve analysis was performed following two different approaches (onsite, off-site). Image analysis-based measurement was done applying the so-called QICPIC apparatus from Sympatec GmbH (Clausthal-Zellerfeld, Germany). It was found that the size distributions of particles derived from timber production (sawdust) were different in comparison to those of KRF or HM manufacture.
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