Table 4 Dehydration pervaporation of alcohol/water mixtures (85 wt% alcohol) at a temperature of 60°C using blend membranes of polyimides with 20 wt% hydrolysed PIM-1 (cPIM-1)
| Alcohol | Blended polymer | β | Normalised flux (kg μm m-2 h-1) | Ref. |
|---|---|---|---|---|
| Ethanol | Matrimid | 340 | 4.92 | [195] |
| Ethanol | Torlon | 157 | 0.85 | [195] |
| Ethanol | P84 | 199 | 1.9 | [195] |
| 2-Propanol | Matrimid | 780 | 2.0 | [195] |
| 2-Propanol | Torlon | 719 | 1.2 | [195] |
| 2-Propanol | P84 | 72 | 2.1 | [195] |
| 1-Butanol | Matrimid | >5000 | 2.4 | [195] |
| 1-Butanol | Torlon | >5000 | 1.0 | [195] |
| 1.Butanol | P84 | >5000 | 2.0 | [195] |