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

Table A9.

Solubility coefficient of homogeneous membranes 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 0.152 0.127 0.100 0.235 0.229 0.127 0.419 0.365 0.186
±0.010 ±0.008 ±0.006 ±0.007 ±0.007 ±0.004 ±0.025 ±0.022 ±0.011
4 0.161 0.145 0.097 0.257 0.224 0.158 0.459 0.375 0.224
±0.010 ±0.009 ±0.006 ±0.008 ±0.007 ±0.005 ±0.028 ±0.022 ±0.013
8 0.164 0.134 0.125 0.261 0.229 0.185 0.518 0.426 0.296
±0.010 ±0.008 ±0.008 ±0.008 ±0.007 ±0.006 ±0.031 ±0.026 ±0.018