Question: 8. Sink-float Test Is Applied To Remove Carbonaceous Gangue Of A Specific Gravity Weight Grade Silicate Type Zn-ore. Test Results Are Given As In The Table. For G/cm % % Zn 30% Zn Grade Of Concentrate, Determine The Density Of Heavy -2.75 43,14 1,72 Medium, Grade Of Tailing, Weigh Percentages Of Both 2,75-2,85 26,87 5.46 Concentrate And Tailing, Rate …
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8. Sink-float test is applied to remove carbonaceous gangue of a Specific gravity Weight Grade silicate type Zn-ore. Test results are given as in the table. For g/cm % % Zn 30% Zn grade of concentrate, determine the density of heavy -2.75 43,14 1,72 medium, grade of tailing, weigh percentages of both 2,75-2,85 26,87 5.46 concentrate and tailing, rate of Zn recovered in the concentrate, rate of Zn lost in the tailing. (20 points) 2,85-2.95 11.05 6,31 Hint: Draw Sp.Gr. w W. Sp.Gr. vs. grade and Sp.Gr. vs. 2.95-3,05 6,73 16,28 metal distribution curves. +3.05 12,21 35,08
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