Table 5.
Process variables and response for ohmic heating
| Attributes | Goals | Lower limit | Upper limit | Importance |
|---|---|---|---|---|
| EFS (V/m) | Minimize | 600 | 900 | 3 |
| EPT (°C) | Minimize | 65 | 85 | 3 |
| HT (min) | Minimize | 5 | 15 | 3 |
| Oil recovery (%) | Maximize | 39.98 | 43.15 | 3 |
| Residual oil content (%) | Minimize | 5.55 | 11.47 | 3 |
| FFA (% oleic acid) | Minimize | 1.52 | 2.26 | 3 |
| Peroxide value | Minimize | 0.78 | 1.01 | 3 |