Table 3 Technical achievable performance according to types of membranes investigated by different research groups
Polymer | Filler (wt.%) | Permeability (Barrer) | Selectivity | Reference | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
P H2 | P O2 | P N2 | P CH4 | P CO2 | α CO2/N2 | α CO2/CH4 | α H2/N2 | α H2/CO2 | |||
PPO | SBA-15a | [32] | |||||||||
0 | 134.05 | – | 3.80 | 4.70 | 69.20 | 17.9 | 14.8 | 37.1 | 2.1 | ||
10 | 92.82 | – | 2.10 | 1.51 | 53.20 | 26.8 | 36.0 | 49.7 | 1.8 | ||
Silicaa | [33] | ||||||||||
0 | 82.17 | – | – | – | 48.81 | – | – | – | 1.68 | ||
10 | 548.7 | – | – | – | 154.05 | – | – | – | 3.56 | ||
TINTa | [30] | ||||||||||
0 | 134.255 | 20.326 | 4.508 | 5.203 | 88.7 | 19.68 | 17.05 | 29.78 | 1.51 | ||
6 | 190.532 | 24.379 | 5.035 | 6.135 | 112.298 | 22.3 | 18.3 | 37.84 | 1.7 | ||
TINTb | This work | ||||||||||
0 | 188.88 | 36.41 | 9.14 | 13.716 | 175.04 | 19.15 | 12.76 | 20.66 | 1.08 | ||
6 | 168.68 | 25.00 | 6.14 | 8.8 | 127.78 | 20.81 | 14.52 | 27.48 | 6.75 | ||
PBI | ZIF-8a | [31] | |||||||||
0 | 4.1 | – | – | – | 0.46 | – | – | – | 8.9 | ||
30 | 82.5 | – | – | – | 6.9 | – | – | – | 12.0 | ||
Silicaa | [34] | ||||||||||
0 | – | – | 0.007 | 0.005 | 0.025 | 3.5 | 4.96 | – | – | ||
20 | – | – | 0.002 | 0.010 | 0.11 | 71.3 | 11.4 | – | – | ||
TINTa | [30] | ||||||||||
0 | 6.268 | 0.312 | 0.030 | 0.019 | 1.101 | 36.7 | 57.95 | 208.93 | 5.693 | ||
6 | 0.920 | 0.010 | 0.001 | 0.001 | 0.068 | 68 | 68 | 920 | 13.53 | ||
TINTb | This work | ||||||||||
0 | 5.24 | 0.21 | 0.063 | 0.033 | 0.421 | 6.68 | 12.64 | 83.17 | 12.45 | ||
6 wt.% | 2.90 | 0.075 | 0.025 | 0.017 | 0.275 | 11.00 | 16.18 | 116 | 10.55 | ||