Table 1: Parameters used in separation of binary gas mixtures.

Molar feed compositionCO2-CH4 (50%-50% by volume)
AdsorbentPolyimide (6FDA-ODA)
Particle radius, μm100
Bed length, m0.35
Bed diameter, m0.06
Bed voidage0.5
Operating temperature, K300
Operating pressure, atm20
Glass transition temperature~450 K