Tailings | Fe2O3 Content /wt% | ||
Crude tailings | After H2O2 treatment | After Na2S2O4 treatment | |
−10 μm | 1.68 | 1.62 | 1.53 |
−7 μm | 1.68 | 1.67 | 1.27 |
−5 μm | 1.65 | 1.65 | 1.61 |