Problem 3: A copper flotation circuit is used to concentrate 100 tons/hr of ore. The ore contains chalcopyrite as valuable mineral with siliceous gangue. Specific gravity of chalcopyrite and gangue are 4.2 and 2.6 respectively. % Cu in chalcopyrite is 34.6%. Feed Rougher -Final Tailings Dilution water Cleaner Final Concentrate Analyses of samples % solids %Cu Circuit feed Rougher concentrate Final concentrate Cleaner tailings Final tailings 33.30 50.00 40.00 8.62 31.10 0.50 13.89 25.00 5.00 0.10 Using the above data, carry out a material balance and calculate the following: (a) the copper recovery in (i) the circuit (ii) the cleaners (iii) the roughers (b) the tons/hr of dilution water added to the cleaners (c) solids and slurry flowrates and specific gravities of all streams (d) Illustrate the material balance of whole circuit