| Concentration /ppm | Separation Time/min | ||||||
| 5 | 10 | 15 | 30 | 60 | 90 | 120 | |
| Water Separation/% | |||||||
| 20 | 10.5 | 14.3 | 18.5 | 20.5 | 34.4 | 36.7 | 36.8 |
| 20 | 12.3 | 17.6 | 20.2 | 23.1 | 37.5 | 40.1 | 42.1 |
| 20 | 20.7 | 21.3 | 24.6 | 40.5 | 50.3 | 53 | 54 |
| 20 | 28.1 | 35.3 | 47 | 55 | 58.5 | 60.5 | 61 |