Pellet feed grinding by HPGR - ScienceDirect


Stronger pellets were produced from the HPGR products, with a lower binder requirement (Ehrentraut and Rao, 2001) The pellets generally are more uniform in size; for example nearly 90% of the pellets were between 8.0 and 12.5 mm, compared to about 55% in case of the ball mill products.Therefore a higher loading on the grate may be possible with the same pressure drop at the …
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