20 best performing MOF adsorbents for the CH₄/H₂ separation together with their membrane-based separation performances.

Structure	S ads,CH4/H2	ΔNCH4 (mol kg−1)	R CH4 (%)	S diff,CH4/H2	S mem,CH4/H2	D self,CH4 (m2 s−1)	D self,H2 (m2 s−1)	P CH4 (Barrer)	P H2 (Barrer)
cuf_2878	42.1	5.1	80.3	0.24	10.0	1.40 × 10−8	5.92 × 10−8	4.77 × 105	4.67 × 104
cuf_824	46.0	4.6	76.2	0.24	10.9	1.24 × 10−8	5.22 × 10−8	4.27 × 105	3.83 × 104
cuf_818	43.9	4.6	77.5	0.28	12.2	1.98 × 10−8	7.13 × 10−8	6.78 × 105	5.44 ×104
cuf_586	37.8	5.0	80.2	0.27	10.2	1.15 × 10−8	4.27 × 10−8	3.82 × 105	3.65 × 104
cuf_110	42.2	4.7	75.2	0.15	6.2	5.25 × 10−9	3.59 × 10−8	1.75 × 105	2.77 × 104
cuf_3153	42.3	4.5	78.5	0.18	7.5	3.86 × 10−9	2.19 × 10−8	1.24 × 105	1.62 × 104
cuf_1627	38.2	4.7	81.9	0.29	11.2	1.77 × 10−8	6.03 × 10−8	5.55 × 105	4.82 × 104
cuf_2872	37.1	4.8	81.2	0.29	10.7	2.23 × 10−8	7.73 × 10−8	7.11 × 105	6.49 × 104
cuf_7134	42.6	4.3	78.8	0.29	12.4	1.22 × 10−8	4.20 × 10−8	3.89 × 105	3.07 × 104
cuf_1633	39.1	4.5	79.9	0.24	9.4	1.22 × 10−8	5.11 × 10−8	3.77 × 105	3.93 × 104
cuf_3160	38.7	4.5	80.7	0.18	7.1	4.54 × 10−9	2.47 × 10−8	1.44 × 105	1.99 × 104
cuf_3866	40.4	4.4	78.8	0.34	13.6	2.07 × 10−8	6.15 × 10−8	6.97 × 105	4.99 × 104
cuf_2640	32.8	5.0	81.3	0.25	8.3	1.47 × 10−8	5.82 × 10−8	4.50 × 105	5.28 × 104
cuf_810	36.5	4.6	80.9	0.21	7.6	7.98 × 10−9	3.84 × 10−8	2.52 × 105	3.24 × 104
cuf_2160	35.1	4.9	78.9	0.11	3.8	4.87 × 10−9	4.54 × 10−8	1.51 × 105	3.90 × 104
cuf_533	35.0	4.7	80.9	0.24	8.4	1.88 × 10−8	7.84 × 10−8	5.90 × 105	6.85 × 104
cuf_811	34.8	4.6	82.1	0.21	7.3	1.13 × 10−8	5.37 × 10−8	3.52 × 105	4.69 × 104
cuf_3143	44.5	3.8	75.0	0.10	4.3	1.30 × 10−9	1.34 × 10−8	3.89 × 104	8.75 × 103
cuf_812	42.1	4.0	75.9	0.13	5.6	4.54 × 10−9	3.43 × 10−8	1.43 × 105	2.51 × 104
cuf_9626	34.3	4.6	81.6	0.24	8.2	9.41 × 10−9	3.92 × 10−8	2.91 × 105	3.45 × 104