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Economics of Grinding for Pelleted Feeds In the feed manufacturing industry particle size reduction (grinding) is second only to extrusion processes (pelleting expanders extruders) in terms of total energy consumption. To achieve a finer grind (smaller finished particle size) energy and maintenance costs

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Jun 20 2015 · If 75 percent of critical speed is considered desirable for efficient grinding in a 2.4 meter (8 foot) diameter mill then the same will be true for a 5.0 meter (15½ foot) diameter mill.

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