XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3 3619
Table 5. Results of reflux classifier separation tests as per Figure 7 flowsheet
Products Operation Yield, %
Grade, %Operation Recovery, %
BaSO4 Fe MgO BaSO4 Fe MgO
Fine slime 20.50 37.22 5.49 7.12 21.18 22.77 16.20
Fine underflow 7.51 70.77 5.94 2.31 14.76 9.03 1.93
Fine overflow 19.69 24.25 3.35 13.03 13.26 13.35 28.50
Coarse underflow 30.94 55.61 6.28 5.16 47.74 39.30 17.72
Coarse overflow 21.36 5.15 3.60 15.03 3.05 15.55 35.65
Tailings* 61.55 21.94 4.15 11.76 37.49 51.67 80.35
Feed 100.00 36.02 4.95 9.00 100.00 100.00 100.00
*Tailings are composed of Fine slime, Fine overflow and Coarse overflow
Shaking Table
5
4
Table Tailings
Feed
3
2 SBX 25 No.2 Oil 20
Oxalate 120
Sulphide Roughing Flotation
Sulphide Scavenging
2 SBX 15 No.2 Oil 10
Sulphide Tailings
2
2
3
2
Sulphide Scavenging
Sulphide Scavenging
2 SBX 6
Oxalate 40
Barite Conc
SBX 8 Oil No.2 6
Figure 8. Flowsheet for barite cleaning tests
Table 6. Results of barite fine separation test
Products Operation Yield, %
Grade, %Operation Recovery, %
BaSO
4 Fe MgO BaSO
4 Fe MgO
Barite concentrate 41.91 92.75 0.25 0.15 66.39 1.71 1.36
Sulphide tailings 26.80 22.21 20.55 5.35 10.17 88.63 31.09
Table tailings 31.29 43.88 1.92 9.96 23.44 9.66 67.55
Feed 100.00 58.55 6.21 4.61 100.00 100.00 100.00
Table 5. Results of reflux classifier separation tests as per Figure 7 flowsheet
Products Operation Yield, %
Grade, %Operation Recovery, %
BaSO4 Fe MgO BaSO4 Fe MgO
Fine slime 20.50 37.22 5.49 7.12 21.18 22.77 16.20
Fine underflow 7.51 70.77 5.94 2.31 14.76 9.03 1.93
Fine overflow 19.69 24.25 3.35 13.03 13.26 13.35 28.50
Coarse underflow 30.94 55.61 6.28 5.16 47.74 39.30 17.72
Coarse overflow 21.36 5.15 3.60 15.03 3.05 15.55 35.65
Tailings* 61.55 21.94 4.15 11.76 37.49 51.67 80.35
Feed 100.00 36.02 4.95 9.00 100.00 100.00 100.00
*Tailings are composed of Fine slime, Fine overflow and Coarse overflow
Shaking Table
5
4
Table Tailings
Feed
3
2 SBX 25 No.2 Oil 20
Oxalate 120
Sulphide Roughing Flotation
Sulphide Scavenging
2 SBX 15 No.2 Oil 10
Sulphide Tailings
2
2
3
2
Sulphide Scavenging
Sulphide Scavenging
2 SBX 6
Oxalate 40
Barite Conc
SBX 8 Oil No.2 6
Figure 8. Flowsheet for barite cleaning tests
Table 6. Results of barite fine separation test
Products Operation Yield, %
Grade, %Operation Recovery, %
BaSO
4 Fe MgO BaSO
4 Fe MgO
Barite concentrate 41.91 92.75 0.25 0.15 66.39 1.71 1.36
Sulphide tailings 26.80 22.21 20.55 5.35 10.17 88.63 31.09
Table tailings 31.29 43.88 1.92 9.96 23.44 9.66 67.55
Feed 100.00 58.55 6.21 4.61 100.00 100.00 100.00