Abstract
Based on the previous work on the yield of vanadium extracted in water leaching of EP dust followed by its dry mechanochemical treatment carried out using three different types of mills, the relation between the ball impact energy instead of the grinding time and the yield is investigated in this work. The impact energy of media balls in these mills during milling was simulated by the Particle Element Method under the condition of the powder presence. As a result, the relation was able to be expressed by a single curve, regardless of type of mill. This implies that the impact energy of balls in a mill is one of the most important factors controlling the dry mechanochemical reaction in EP dust.
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