Solid content (%) | Temp. (˚C) | Time (h) | Dissolution (%) | SiO2 (%) | |
Fe | Al2O3 | ||||
10 | 70 | 3 | 48.9 | 67.3 | 98.0 |
20 | 70 | 5 | 24.1 | 66.9 | 97.1 |
50 | 70 | 5 | 21.4 | 14.9 | 96.0 |
20 | 70 | 5 | 39.7 | 20.6 | 97.2 |
50 | 70 | 5 | 27.7 | 10.2 | 96.1 |
50 | 70 | 7 | 19.3 | 29.7 | 97.4 |
50 | 25 | 24 | 30.2 | 71.9 | 96.4 |