Flotation of Pyrite
03/05/2017· Effect of Size of Mineral Grain on the Flotation of Pyrite. Sample mixture No. 4, used in these tests, was prepared in a manner similar to sample mixtures Nos. 1, 2 and 3, except that it was crushed to pass a 48 mesh Tyler standard screen. A partial analysis of the mixed and crushed sample showed 10.70 per cent, iron and 0.18 per cent, copper.