Table 11.
Permeation properties of selected Pebax-based MMMs filled with ionic and non-ionic additives.
| Pebax Type | Filler Type | Filler Amount (wt%) | Test Conditions | CO2 (Barrer 1) |
Selectivity (-) |
Ref. |
|---|---|---|---|---|---|---|
| 2533 | Triglyceride (TPP) | 20 | 35 °C, 5 bar | 566 | 25 (CO2/N2) | [105] |
| 2533 | Tween21 | 65 | 25 °C and 0.6 atm | 221 | 32.0 (CO2/N2) | [100] |
| Tween20 | 65 | 25 °C and 0.6 atm | 267 | 36.6 (CO2/N2) | ||
| Tween80 | 65 | 25 °C and 0.6 atm | 289 | 40.70 (CO2/N2) | ||
| 1657 | Tween20 | 50 | 25 °C, 1 bar | 144 | 50.7 (CO2/N2) 14.1 (CO2/CH4) |
[101] |
| Tween80 | 50 | 25 °C, 1 bar | 167 | 47.9 (CO2/N2) 13.8 (CO2/CH4) |
||
| 1657 | Calcium lignosulfonate (CaLS) | Pebax/CaLS(15:1) | 25 °C, 3 bar Dry |
133 | 69 (CO2/N2) 23 (CO2/CH4) |
[103] |
| Pebax/CaLS(15:1) | 25 °C, 3 bar Humid |
3585 | 29 (CO2/CH4) 71 (CO2/N2) |
|||
| Pebax/CaLS(15:1) | 85 °C, 3 bar Mixed CO2/N2 (10/90 vol%) humid |
7480 | 42 (CO2/N2) | |||
| 1657 | Aniline | 50 | 25 °C, 7 bar | 151 (+76%) | 92.5 (CO2/N2) (+101%) | [7] |
| 50 | 25 °C, 7 bar Mixed CO2/N2 (20/80 vol %) |
123.12 (+48%) | 68.34 (+262%) | |||
| 5513 | KBF4 | 0.0045 | 2 bar | 36.8 GPU (CO2 permeance) |
27.6 (CO2/N2) | [104] |
1 Barrer = 10−10 cm3 (STP) cm cm−2 s−1 cmHg−1.