Experimental characterization of chalcopyrite ball mill ...
2021-11-1 · Following existing literature , thus, a batch ball mill (Fig. 2, left) featuring a mass ratio of ore to water equal to 2, i.e., 1000 g of ore per 500 g of water, was employed in the first set of assessments. In addition, chalcopyrite grinding processes for six (6) different grinding times, 5, 10, 15, 20, 25, and 30 min, were performed.