Table 6.
Comparison of the surface-coated hollow fiber membrane for oxygen/nitrogen separation.
| Membrane | Permeance (GPU) | Permeability (Barrer) | αO2/N2 | Reference | ||
|---|---|---|---|---|---|---|
| O2 | N2 | O2 | N2 | |||
| Pristine PEBAX 1567 | – | – | 3.30 | 1.30 | 2.54 | Bernado et al. [33] |
| PEG-POSS with 10 wt % PEBAX 1567 | – | – | 4.29 | 1.43 | 3.00 | Rahman et al. [34] |
| PEG-POSS with 20 wt % PEBAX 1567 | – | – | 4.57 | 1.86 | 2.46 | Rahman et al. [34] |
| PEG-POSS with 30 wt % PEBAX 1567 | – | – | 7.14 | 2.85 | 2.51 | Rahman et al. [34] |
| TFC-RO membrane with PDMS | 21.65 | 46.76 | 4.54 | 2.10 | 2.16 | Moradi et al. [35] |
| a PSF with 5 wt % PDMS coating | 11.00 | 21.01 | – | – | 1.91 | Prajapati et al. [32] |
| a PSF with 10 wt % PDMS coating | 3.40 | 5.95 | – | – | 1.75 | Prajapati et al. [32] |
| a PSF with 15 wt % PDMS coating | 2.75 | 10.75 | – | – | 3.91 | Prajapati et al. [32] |
| a PSF with 20 wt % PDMS coating | 2.16 | 8.27 | – | – | 3.83 | Prajapati et al. [32] |
| b PSF + 5 wt % CXb c | 17.8 | 95.41 | 13.40 | 2.50 | 5.36 | Magueijo et al. [12] |
| b PSF + 10 wt % CX | 16.5 | 78.71 | 12.40 | 2.60 | 4.77 | Magueijo et al. [12] |
| b PSF + 5 wt % μCX d | 15.3 | 110 | 11.50 | 1.60 | 7.19 | Magueijo et al. [12] |
| PSF-3PDMS (3 wt % PDMS) | 73.25 | 16.05 | 18.31 | 4.01 | 4.56 | In this work |
| PSF-1PEBAX (1 wt % PEBAX) | 48.91 | 12.42 | 12.23 | 3.11 | 3.94 | In this work |
a Hollow fiber membrane made of 22 wt % PSF, 39 wt % DMAc, and 39 wt % THF; b Hollow fiber membrane made of 22 wt % PSF, 32 wt % DMAc, 32 wt % THF, and 14% EtOH; c Cx is the abbreviation for aerogel; d μCx is the abbreviation for microaerogel.