Coagulant
Permeance (GPU
a
)
Selectivity
CO
2
N
2
CO
2
/N
2
Deionized water
21.5
0.49
43.88
Ethanol
62.35
1.97
31.65
Methanol
189.2.5
7.94
23.83
Temperature: 25°C, feed pressure: 10 bar
a
GPU = 10
−6
cm
3
(STP) / (cm
2
s cmHg)
Table 6:
Gas permeance and CO
2
/N
2
selectivity through PDMS/PSf composite membranes (different coagulants).
