Fig. 2: Adsorption and separation properties of BFFOUR-Cu-dpds.

Adsorption isotherms for (a) C2H4 and C2H6, (b) C3H6 and C3H8, and (c) n-C4H8 and n-C4H10 at 298 K. d Kinetic adsorption curves for C2-C4 olefins and paraffins at 0.5 bar and 298 K. Time-dependent in-situ FT-IR spectra for e C2H4 and f C3H6 in BFFOUR-Cu-dpds.