Table 6.
Permeation properties of selected Pebax-based MMMs filled with zeolites.
| Pebax Type | Filler Type | Filler Amount (wt%) | Test Conditions | CO2 (Barrer 1) |
Selectivity (-) |
Ref. |
|---|---|---|---|---|---|---|
| 1657 | MFI nanosheets | 5 | 25 °C, 2 bar | 188.9 (+63.5%) |
29.9 (CO2/CH4) (+76.4%) |
[62] |
| 5 | 25 °C, 2 bar Mixed CO2/CH4 (50/50 vol%) |
159.1 (+63.5%) |
27.4 (CO2/CH4) (+76.4%) |
|||
| 1657 | NaX (mean particle size 55 nm) |
2 | 25 °C, 4 bar | 50.70 | from 61.53 to 107.13 (CO2/N2) 6.06 (O2/N2) |
[17] |
| 1657 | NaY | 40 | 30 °C, 2 bar | 131.8 | 130.8 (CO2/N2) | [57] |
| 1657 on PES support | NaX (40–90 nm) |
1.5 | 25 °C, 6 bar | 95 | 100 (CO2/N2), 32 (CO2/CH4) 3 (N2/CH4) |
[59] |
| NaX-COOH (40–90 nm) |
1.5 | 25 °C, 6 bar | 187.76 | 288.86 (CO2/N2), 57.41 (CO2/CH4) 5.03 (N2/CH4) |
||
| 1074/PEG | NaY (1.7 μm) |
30 NaY and 20 PEG | 30 °C, 1.5 bar Mixed CO2/N2 (15/85 vol%) |
172.6 (single) 140.1 (mixed) |
107.9 (single) 166.7 (mixed) CO2/N2 |
[58] |
| 1074 | DD3R (ca. 10 μm) |
5 | 30 °C, 5 barg | 120 | 31 (CO2/CH4) | [60] |
| 1074 | SAPO (0.45 μm) |
5 | 30 °C, 1.5 bar | 98.2 | 72.0 (CO2/N2) | [61] |
1 Barrer = 10−10 cm3 (STP) cm cm−2 s−1 cmHg−1.