Effect of Torrefaction on Properties of Pellets Produced …
(Vertica hammer mill DFZK-1, AG, Uzwil, Switzerland) pass a 4 mm sieve. The milled forest residues, bark, and stem wood were conditioned to moisture contents of 12.4, 11.0, and 12.7%, respectively, before further pelletized using a DPCB pellet mill (capacity of about 500 kg h−1, AG, Uzwil, Switzerland) with a
