Copper Ore Processing Methods
Apr 11, the milling of copper ores as practiced in the larger concentrators has changed to such an extent that comparatively few of the machines in use at the beginning of the period remain in service today. primary and secondary crushing by machines of the blake and gyratory types and intermediate and fine crushing by rolls has survived, but in the.Apr 13, crushing porphyry copper ores. three stage crushing is illustrated in the flowsheet; however, it is possible and practical to eliminate the third stage by incorporating a rod mill in the grinding section. this is a very practical arrangement and often a necessity when handling wet, sticky ore. there is evidence that this combination of crushing.