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. 2022 Oct 19;12(10):1016. doi: 10.3390/membranes12101016

Table A11.

Solubility coefficient of heterogeneous membranes containing ZIF−8 to different gases measured for different feed pressure and temperature values.

Membrane Type Feed Pressure [bar] Solubility Si [103 mol/(m3·Pa)]
N2 CH4 CO2
Process Temperature [ °C] Process Temperature [ °C] Process Temperature [ °C]
25 4[°C] 55 25 4[°C] 55 25 4[°C] 55
PEBAX 2533
+2 wt% ZIF−8
2 0.123 0.130 0.119 0.186 0.171 0.189 0.411 0.351 0.311
±0.008 ±0.008 ±0.007 ±0.006 ±0.005 ±0.006 ±0.025 ±0.021 ±0.019
4 0.130 0.146 0.121 0.201 0.216 0.199 0.471 0.428 0.342
±0.008 ±0.009 ±0.008 ±0.006 ±0.007 ±0.006 ±0.028 ±0.026 ±0.021
8 0.122 0.142 0.127 0.200 0.238 0.211 0.572 0.505 0.428
±0.008 ±0.009 ±0.008 ±0.006 ±0.007 ±0.007 ±0.034 ±0.03 ±0.026
PEBAX 2533
+5 wt% ZIF−8
2 0.124 0.131 0.116 0.187 0.181 0.190 0.418 0.400 0.309
±0.008 ±0.008 ±0.007 ±0.006 ±0.006 ±0.006 ±0.025 ±0.024 ±0.019
4 0.125 0.147 0.122 0.205 0.214 0.214 0.477 0.465 0.366
±0.008 ±0.009 ±0.008 ±0.006 ±0.007 ±0.007 ±0.029 ±0.028 ±0.022
8 0.133 0.142 0.131 0.212 0.232 0.218 0.605 0.537 0.452
±0.008 ±0.009 ±0.008 ±0.007 ±0.007 ±0.007 ±0.036 ±0.032 ±0.027