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Performance comparison with literature data for CO2-CH4 separation.
| polymer | molecular sieve | solvent/additive | pressure (bar) | CO2/CH4 selectivity | reference |
|---|---|---|---|---|---|
| PES | MWCNT | NMP | 4 | 19.57 | [76] |
| Elvaloy4170 | functionalized multi-walled carbon nanotubes (3 wt%) | toluene | 2 | 6.18 | [77] |
| Pebax | — | glycerol triacetate (GTA) 40 wt% | 4 | approximately 13 | [78] |
| PES | CMS (10 wt%) | NMP/15 wt% DEA | 30 | 16.04 | this study |
