Residual oil content in the water phase of different preparation methods
| Preparation methods | Water phase oil concentration (mg/l) | |
|---|---|---|
| Demulsifying system | Emulsifying system | |
| Gravitational oil separator | 1.000-3.000 | 2.500-10.000 |
| Separator (centrifuge) | 100-1.500 | 2.000-5.000 |
| Mikrofiltration | 10-500 | |
| Ultrafiltration | 10-50 | |
| Vaporizer | < 10 | |
| Cycle ion exchange system | < 1 | |
Recoverable portion of the cleaning components from the preparation method
