The mill is fitted with 80 mm grates with total grate open area of 7.66 m 2 Hart et al., 2001. A 4.5 m diameter by 5.2 m long trommel screens the discharge product at a cut size of ca. 12 mm. Material less than 12 mm falls into a cyclone feed sump, where itbined with discharge from the ball mills.
the behaviour of gold in hemlo mines ltd. grinding circuit FLzenith. Dec 12, 1999 Classification of gold in the primary hydrocyclones takes place at a much finer cut size the primary loop, 6700 , and a gold content in the primary cyclone It varied between the thirties for the primary mill discharge and two. Read More