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. 2016 Aug 8;6:31183. doi: 10.1038/srep31183

Table 5. Permeance (L m−2 h−1 bar−1) and pure-gas selectivity of C-40 membrane.

Ageing duration, days Sample Gas
 Selectivity
CO2 CH4 C4H10 CO2/CH4 C4H10/CH4
  C-40 380 ± 19 24 ± 1 13500 ± 800 15.8 ± 1.2 546 ± 35
0 C-40-CH3OH-0 4490 ± 90 560 ± 20 13970 ± 900 8 ± 0.5 149 ± 7
1 C-40-CH3OH-1 3500 ± 30 52 ± 10 7780 ± 200 67 ± 5 149 ± 10
5 C-40-CH3OH-5 2600 ± 50 44 ± 2 4900 ± 100 59 ± 4 111 ± 8
13 C-40-CH3OH-13 1000 ± 30 24 ± 1 2200 ± 100 41.6 ± 5.3 91.7 ± 7.2
30 C-40-CH3OH-30 500 ± 20 20 ± 1 750 ± 50 25 ± 3 37.5 ± 2.2