Table 1.

Boiling point T_b [26], permeance L and selectivity vs. CH₄ in multi-component mixture permeation experiments with MMM composed of POMS and 20 wt% AC at 30 bar feed pressure and 20 °C.

Component	CH4	CO2	C2H6	C3H8	n-C4H10	n-C5H12
Tb (°C)	−161.5	−78.5	−88.7	−42.1	−0.5	36.0
L (mN3/(m2·h·bar))	0.41	1.20	1.64	4.14	12.95	60.97
Selectivity vs. CH4	-	2.92	3.98	10.06	31.46	148.12