Table 3 Pervaporation of water and methanol from ethylene glycol using self-standing PIM-1 or carboxylated PIM-1 (cPIM-1) membranes. For cPIM-1 membranes the reported degree of carboxylation is indicated in parentheses
Impurity | Conc. (wt%) | Temp. (°C) | Membrane | β | Normalised flux (kg μm m-2 h-1) | Ref. |
|---|---|---|---|---|---|---|
Water | 18.50 | 20 | PIM-1 | 18.8 | 1.25 | [190] |
Water | 6.56 | 30 | PIM-1 | 36.4 | 0.82 | [190] |
Water | 18.50 | 30 | PIM-1 | 42.9 | 2.87 | [190] |
Water | 22.66 | 30 | PIM-1 | 51.1 | 3.82 | [190] |
Water | 18.50 | 40 | PIM-1 | 47.3 | 3.53 | [190] |
Water | 18.50 | 50 | PIM-1 | 64.5 | 6.91 | [190] |
Water | 10 | 30 | cPIM-1(0.69) | 92.3 | 8.41 | [191] |
Water | 20 | 30 | cPIM-1(0.69) | 69.0 | 11.7 | [191] |
Water | 20 | 30 | cPIM-1(0.94) | 75.9 | 13.7 | [191] |
Methanol | 18.50 | 20 | PIM-1 | 30.5 | 5.19 | [190] |
Methanol | 8.15 | 30 | PIM-1 | 7.15 | 4.92 | [190] |
Methanol | 18.50 | 30 | PIM-1 | 24.2 | 10.4 | [190] |
Methanol | 23.16 | 30 | PIM-1 | 26.2 | 14.7 | [190] |
Methanol | 18.50 | 40 | PIM-1 | 14.6 | 13.4 | [190] |
Methanol | 18.50 | 50 | PIM-1 | 6.15 | 23.9 | [190] |