Skip to main content
. 2019 Nov 26;9(12):157. doi: 10.3390/membranes9120157

Table 11.

Reference values reported for gas separations with help of CMS membranes.

Separated Gases Name of the Material Selectivity or Sep Factor Permeability or Permeance Temp (K) Pressure (bar) Ref.
ethylene/ethane Carbonized BPDA-pp’ODA Polyimide SF 5 ethylene/ethane P 1 ethylene (×10−8 mol m−2 s−1 Pa−1) 373 1.013 [81]
ethylene/ethane Matrimid® 5218 (Huntsman) S 12 ethane P 14.4 (barrer) 308 NS [215]
ethylene/ethane Matrimid® 5218 (Huntsman) S 12 ethylene/ethane P 14–15 ethylene (barrer) 308 3.447 [216]
ethylene/ethane Matrimid SF 60 ethylene/ethane P 4.8 × 10−7 ethylene; P 1.6 × 10−9 ethane (mol·Pa−1·m−2·s−1) NS NS [217]
ethylene/ethane 6FDA/BPDA-DAM SF >20 P 10 ethylene GPU 308 20.265 [218]
ethylene/ethane PIM-6FDA-OH SF 17.5 ethylene/ethane P 10 ethylene (barrer) 308 20.265 [219]
ethylene/ethane Matrimid and 6FDA/BPDA-DAM NS NS 308 8.04 [220]
ethylene/ethane 6FDA/BPDA-DAM S 3.9 ethylene/ethane P 15.9 ethylene; P 4.0 ethane (GPU) 298 5.15 [221]
propylene/propane 6FDA/BPDA–DDBT S 22 propylene P 26 GPU propylene 373 1.013 [84]
propylene/propane NTDA-BAHFDS S 42 propane P 26 GPU propylene/propane 308 1.013 [86]
propylene/propane AlPO-14 NS NS NS NS [222]
propylene/propane 6FDA/BPDA-DAM S 20.5 propylene/propane P 17.5 propylene; P 0.85 propane (GPU) 298 5.15 [221]
propylene/propane CMS/g-Al2O3 SF 36 propylene/propane P 9 GPU propylene 298 1.3–4 [223]
propylene/propane 6FDA S 50–60 propylene P 8 propylene/propane [×10−9 mol/(m2 s Pa)] 393 6.89 [224]
propylene/propane CMS membranes synthesized on mesoporous g-alumina support SF 31 propylene/propane P 1.0 [× 10−8 mol m−2 s−1 Pa−1] 298 3.1 [63]
propylene/propane BPDA-DDBT/DABA SF 13 propylene/propane P 50 GPU propane 373 1.013 [82]