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. 2022 Mar 17;12(14):8592–8599. doi: 10.1039/d2ra00139j

Isosteric adsorption heat of CO2 and CH4 and IAST selectivities of PS-derived carbons.

Sample Q st kJ mol−1 IAST selectivity (@298 K, 1 bar)
CO2 CH4 CO2/N2 CO2/CH4 CH4/N2
(15 : 85) (10 : 90) (50 : 50)
PSK-1-550 35.4 31.3 32.7 7.1 4.6
PSK-2-650 33.2 28.0 23.2 4.7 4.8
PSK-3-750 31.8 24.0 13.5 3.2 4.1