Samples | Al2O3 | CaO | Fe2O3 | K2O | MgO | MnO | Na2O | P2O5 | SiO2 | LOI | |
(%) | |||||||||||
Waste from refusal to screens | 8.73 | 30.93 | 5.02 | 0.21 | 0.69 | 0.03 | 0.35 | 20 | 19.77 | 11.6 | |
Phosphate washing sludge | 10.47 | 20.79 | 6.8 | 0.44 | 1.17 | 0.03 | 3.49 | 14.2 | 20.69 | 18.6 | |
Magnetic waste | 2.83 | 22.22 | 40.42 | 0.04 | 0.17 | 1.10 | 0.30 | 15.7 | 5.17 | 9.6 | |
Discharge of dust | 1.22 | 50.1 | 1.40 | 0.016 | 0.068 | 0.024 | 0.19 | 35.5 | 3.24 | 3.9 |