Fig. 4: Olefin purification.
From: One-step propylene purification from a quaternary mixture by a single physisorbent
Dynamic breakthrough curves of ZU-921 for (a) C3H4/C3H4(PD)/C3H8/C3H6 (1/1/3/95 v/v/v/v) mixture in Ct/C0 under 273, 298 K and 313 K and 1.0 bar; b C3H4/C3H4(PD)/C3H8/C3H6 (25/25/25/25 v/v/v/v) mixture in Ft/F0 under 298 K and 1.0 bar; c C3H8/C3H6 (50/50 v/v) mixture in Ft/F0 under 298 K and 1.0 bar; d Six recycling breakthrough tests for C3H8/C3H6 (50/50 v/v, red) and C3H4/C3H4(PD)/C3H8/C3H6 (1/1/3/95 v/v/v/v, light blue) separation with ZU-921 under 298 K and 1.0 bar; e The PXRD patterns and C3H8 adsorption isotherms of ZU-921 after different treatments. (column: 0.46 cm × 15 cm, 1.33 g or 0.46 cm × 25 cm, 2.28 g, flow rate: 2.2 mL min−1). Source data are provided as a Source Data file.
