XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3 1971
Rougher concentrate
Phosphorus roughing
Tailings
Magnetic tailings
Wet magnetic separation
Sodium carbonate 1263g/t
Fe tailings
0.4 T
Sodium silicate 210g/t
JY 168g/t
Rougher concentrate
Phosphorus roughing
Tailings
Sodium carbonate 3000g/t
Fe tailings
Sodium silicate 500g/t
JY 400g/t
Note: The unit of reagent stirring and flotation
time is min the dosage unit of the reagent is g/t,
all of which are for the Fe tailings.
3
3
5
3
3
5
5 5
(a) Flotation only process (b) The combined process of magnetic separation and flotation
Figure 8. Comparison of processes
Table 7. The results of locked circuit flotation tests for copper recovery
Product
Yield for Fe
Tailing, %
Grade, %Recovery for Fe Tailings, %
S Cu S Cu
Copper concentrate 0.13 18.75 16.32 11.34 50.01
Sulfur concentrate 0.37 33.25 1.17 55.47 9.89
Tailings 99.50 0.07 0.02 33.19 40.09
Feed (Fe tailings) 100.00 0.22 0.04 100.00 100.00
Table 8. Results of industrial tests
Product Yield, %
Grade, %Recovery, %
Fe P
2 O
5 Cu Fe P
2 O
5 Cu
Iron Concentrate 10.09 65.23 0.10 0.013 46.82 0.47 3.07
Phosphorus concentrate 4.13 1.78 33.10 0.093 0.52 63.04 8.98
Copper concentrate 0.11 16.00 2.50 16.12 0.13 0.13 41.46
Waste Rock 11.50 8.77 1.80 0.038 7.17 9.55 10.22
Tailings 35.79 7.88 0.69 0.014 20.06 11.39 11.72
Magnetic tailings 32.09 9.21 0.60 0.022 21.02 8.88 16.51
Overflow 5.85 6.55 2.24 0.028 2.73 6.04 3.83
Sulfur concentrate 0.44 49.31 2.50 0.41 1.54 0.51 4.22
Raw ore 100.00 14.06 2.17 0.043 100.00 100.00 100.00
Rougher concentrate
Phosphorus roughing
Tailings
Magnetic tailings
Wet magnetic separation
Sodium carbonate 1263g/t
Fe tailings
0.4 T
Sodium silicate 210g/t
JY 168g/t
Rougher concentrate
Phosphorus roughing
Tailings
Sodium carbonate 3000g/t
Fe tailings
Sodium silicate 500g/t
JY 400g/t
Note: The unit of reagent stirring and flotation
time is min the dosage unit of the reagent is g/t,
all of which are for the Fe tailings.
3
3
5
3
3
5
5 5
(a) Flotation only process (b) The combined process of magnetic separation and flotation
Figure 8. Comparison of processes
Table 7. The results of locked circuit flotation tests for copper recovery
Product
Yield for Fe
Tailing, %
Grade, %Recovery for Fe Tailings, %
S Cu S Cu
Copper concentrate 0.13 18.75 16.32 11.34 50.01
Sulfur concentrate 0.37 33.25 1.17 55.47 9.89
Tailings 99.50 0.07 0.02 33.19 40.09
Feed (Fe tailings) 100.00 0.22 0.04 100.00 100.00
Table 8. Results of industrial tests
Product Yield, %
Grade, %Recovery, %
Fe P
2 O
5 Cu Fe P
2 O
5 Cu
Iron Concentrate 10.09 65.23 0.10 0.013 46.82 0.47 3.07
Phosphorus concentrate 4.13 1.78 33.10 0.093 0.52 63.04 8.98
Copper concentrate 0.11 16.00 2.50 16.12 0.13 0.13 41.46
Waste Rock 11.50 8.77 1.80 0.038 7.17 9.55 10.22
Tailings 35.79 7.88 0.69 0.014 20.06 11.39 11.72
Magnetic tailings 32.09 9.21 0.60 0.022 21.02 8.88 16.51
Overflow 5.85 6.55 2.24 0.028 2.73 6.04 3.83
Sulfur concentrate 0.44 49.31 2.50 0.41 1.54 0.51 4.22
Raw ore 100.00 14.06 2.17 0.043 100.00 100.00 100.00