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And Crushing Points In Metal Mines

May 31, 2017nbsp018332crushing of fragmented ore material from surface or underground mining. These emission factors are for the primary crushing process operation as a whole, which may include a hopper or ore dump, screens, crusher, surge bin, apron feeder, and conveyor belt transfer points. Uncontrolled 0.02 0.009 0.001 AP-42 Table 11.24.2 Primary Crushing

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