566 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Table 2. XRD composition of the iron ore waste samples
Mineral Chemical Formula Percentage
Quartz SiO2 22
Anchorite Ca(Fe+2,Mg)(CO3)2 19.6
Chlorite Mg
5 Al(Si,Al)
4 O
10 (OH)
8 14.3
Calcite CaCo
3 13.9
Talc Mg3Si4O10(OH)2 13.3
Goethite FeO(OH) 8.1
Clay minerals KAl
4 (SiAl)
8 O
20 (OH)
4 ·xH
2 O 5.8
Hematite Fe
2 O
3 2
Magnetite Fe3O4 1
Table 3. Screen analysis of the iron ore waste samples
Size, mm Wt., %Passing, %
700 0.00 100.00
300 18.51 81.49
200 7.70 73.78
100 17.25 56.53
40 17.78 38.75
20 11.05 27.70
10 7.00 20.71
10 20.71 0.00
Total 100.00 —
Figure 1. Experimental Flowsheet
Table 2. XRD composition of the iron ore waste samples
Mineral Chemical Formula Percentage
Quartz SiO2 22
Anchorite Ca(Fe+2,Mg)(CO3)2 19.6
Chlorite Mg
5 Al(Si,Al)
4 O
10 (OH)
8 14.3
Calcite CaCo
3 13.9
Talc Mg3Si4O10(OH)2 13.3
Goethite FeO(OH) 8.1
Clay minerals KAl
4 (SiAl)
8 O
20 (OH)
4 ·xH
2 O 5.8
Hematite Fe
2 O
3 2
Magnetite Fe3O4 1
Table 3. Screen analysis of the iron ore waste samples
Size, mm Wt., %Passing, %
700 0.00 100.00
300 18.51 81.49
200 7.70 73.78
100 17.25 56.53
40 17.78 38.75
20 11.05 27.70
10 7.00 20.71
10 20.71 0.00
Total 100.00 —
Figure 1. Experimental Flowsheet