|
| 50 rpm | 100 rpm | 150 rpm |
| Time (min) | Lead recovery | Lead recovery | Lead recovery |
| 10 | 37.11 | 52.58 | 41.11 |
| 20 | 55.87 | 78.93 | 60.56 |
| 40 | 78.54 | 97.03 | 78.82 |
| 60 | 81.03 | 99.8 | 89.46 |