Pelletization of AFEX-treated biomass at different grind sizes (4,
6 mm), die speeds (40, 50, 60 Hz), and preheating conditions (none,
70 C) resulted in pellets with bulk density ranging from 588–
634 kg/m3 and durability >97.5% for all conditions except for pellets
produced with preheating. Die speed had no significant effect
on sugar yields, and increasing grind size or preheating had either
no effect or a negative effect on sugar yield. Pellets generated with
4 mm AFEX-treated stover and 60 Hz die speed without preheating
had greater or similar density, durability, and sugar yields compared
to other pelletization conditions.
Pelletization of AFEX-treated biomass at different grind sizes (4,6 mm), die speeds (40, 50, 60 Hz), and preheating conditions (none,70 C) resulted in pellets with bulk density ranging from 588–634 kg/m3 and durability >97.5% for all conditions except for pelletsproduced with preheating. Die speed had no significant effecton sugar yields, and increasing grind size or preheating had eitherno effect or a negative effect on sugar yield. Pellets generated with4 mm AFEX-treated stover and 60 Hz die speed without preheatinghad greater or similar density, durability, and sugar yields comparedto other pelletization conditions.
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