1152 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
R² =0.9661
49.70
51.70
53.70
55.70
57.70
59.70
61.70
50.00 55.00 60.00
Observed Grade (%Fe)
(a)
R² =0.9987
10.89
20.89
30.89
40.89
50.89
60.89
12.00 32.00 52.00
Observed Recovery (%Weight)
(b)
Figure 4. Relationship between observed and predicted values (a. Grade, b. Recovery)
53
54
55
56
57
58
59
60
61
62
63
2.5 3.5 4.5 5.5
Drum angle of Inclination
2LPM
6LPM
(a)
54
55
56
57
58
59
60
61
62
63
1 3 5 7
Wash water (LPM)
Angle of Inclination 3
Angle of Inclination 5
(b)
52
54
56
58
60
62
64
170 190 210 230
Drum Rotational Speed (RPM)
Angle of
Inclination 3
Angle of
Inclination 5
(c)
45
50
55
60
65
170 190 210 230
Drum Rotational Speed (RPM)
2LPM
6LPM
(d)
Figure 5. Effect of process variables on grade (%Fe of the concentrate fraction (a. Effect of Drum angle of inclination at
different wash water, b. Effect of Wash water at different angle of inclinations c. Effect of drum rotational speed at different
angle of inclination. d. Effect of Drum rotational speed at different wash water.)
Predicted
Grade
(%Fe)
Predicted
Recovery
(%Weight)
Concentrate
Grade
(%Fe)
Concentrate
Grade
(%Fe)
Concentrate
Grade
(%Fe)
Concentrate
g
de
(%Fe)