Research Article
A Kinetic Study of Micronization Grinding of Dry Mica in a Planetary Ball Mill
Table 1
Particle size distribution and mineralogical and chemical composition of the initial mica sample, series (M0).
| | Particle size distribution | Mineralogical composition | Chemical composition | | Size class (mm) | Mass (%) | Cumul. oversize (%) | Cumul. undersize (%) | Mineral | Content (%) | Oxide | Content (%) | | Size class (−0.589 + 0.104) (mm) |
| | −0.833 + 0.589 | 0.10 | 0.10 | 100.00 | K-muscovite | 74.11 | SiO2 | 56.60 | | −0.589 + 0.417 | 4.40 | 4.50 | 99.90 | Al2O3 | 24.50 | | −0.417 + 0.295 | 22.50 | 27.00 | 95.50 | CaO | 0.10 |
| | −0.295 + 0.208 | 29.00 | 56.00 | 73.00 | Na-muscovite | 10.13 | MgO | 0.60 | | −0.208 + 0.147 | 23.00 | 79.00 | 44.00 | Na2O | 1.90 | | −0.147 + 0.104 | 10.50 | 89.50 | 21.00 | K2O | 10.59 |
| | −0.104 + 0.074 | 6.00 | 95.50 | 10.50 | Quartz | 7.19 | Fe2O3 | 1.00 | | −0.074 + 0.063 | 1.40 | 96.90 | 4.50 | MnO | 0.03 |
| | −0.063 + 0.053 | 1.10 | 98.00 | 3.10 | Feldspar | 3.74 | TiO2 | 0.18 | | −0.053 + 0.040 | 0.82 | 98.82 | 2.00 | P | 0.40 | | −0.040 + 0.000 | 1.18 | 100.00 | 1.18 | S | 0.40 |
| | Total | 100.00 | — | — | Total | 95.17 | LoI | 3.70 |
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