CBT Permeance (GPUa) Selectivity
 

H2 CH4 H2/CH4
5°C 20.5 0.63 32.5
25°C 25.1 0.54 46.3
50°C 22.8 1.1 20.7
80°C 21.0 1.6 13.1
Temperature: 25°C, feed pressure: 10 bar
Table 4: Gas permeance and H2/CH4 selectivity of PSf/PDMS composite membrane using deionized water as coagulant (different CBT).