Coal comminution and sizing
While hammermills can be used to produce coal with a topsize on the order of a few millimeters, when they are used to crush feed for a coal preparation plant they crush to sizes on the order of 2 inches (5 cm). Such coarse hammermills have capacities of up to 2500 tons/h (2270 metric tons/h) (Alderman and Edmiston, 2010).
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