The transient time-lag method was applied to the determination and modeling of

global coefficients for CO2 diffusion through a composite MFI cylindrical membrane. The results were described by:

D(m2/s) = 1.68 x 10-8exp[-13.6(kJ/mol)/RT]

J.Sanchez, C.L.Gı̂jiu, V.Hynek, O.Muntean, A.Julbe: Separation and Purification Technology, 2001, 25[1–3], 467–74