Table 7: Tuning the magnetica separation circuit to compensate disturbances.
| Action on primary separators | Fe-Ti content | Fe-Ti | |||
| Speed | Gate opening | Feed | Conc. | Recovery (%) | |
| Compensation of an inadequate magnetization of the ore | |||||
| Nominal | Nominal | Nominal | Nominal | Target | Target |
| Problem with heat treatment | Nominal | Nominal | Nominal | 0.90% | -9.50% |
| Action on primary separator | Increase | Decrease | Nominal | 0.10% | 0.90% |
| Compensation of a decrease in the feed grade | |||||
| Nominal | Nominal | Nominal | Nominal | Target | 100 |
| Decrease of the feed grade | Nominal | Nominal | -2.80% | -0.40% | -0.10% |
| Action on primary separators | Decrease | Increase | -2.80% | -0.10% | -0.40% |