rotor peser feeder principe de fonctionnement
May 31, 2017· mining. These emission factors are for the primary crushing process operation as a whole, which may include a hopper or ore dump, screen(s), 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 (High Moisture Ore ≥ 4%) PM 2.5 = PM 10 *(0.053/0.35)