20 best MOF adsorbents identified for the CH₄/N₂ separation in tandem with their membrane-based separation performances.

Structure	S ads,CH4/N2	ΔNCH4 (mol kg−1)	R CH4 (%)	S diff,CH4/N2	S mem,CH4/N2	D self,CH4 (m2 s−1)	D self,N2 (m2 s−1)	P CH4 (Barrer)	P N2 (Barrer)
cuf_2878	4.6	4.5	78.5	1.04	4.8	1.51 × 10−8	1.46 × 10−8	4.59 × 105	9.39 × 104
cuf_1627	4.7	4.2	80.4	1.05	5.0	1.59 × 10−8	1.51 × 10−8	4.51 × 105	8.88 × 104
cuf_586	4.5	4.4	78.5	0.97	4.4	1.08 × 10−8	1.11 × 10−8	3.20 × 105	7.15 × 104
cuf_810	4.7	4.1	79.4	0.83	3.9	7.15 × 10−9	8.59 × 10−9	2.05 × 105	5.15 × 104
cuf_1633	4.8	4.0	78.6	1.04	5.0	1.14 × 10−8	1.10 × 10−8	3.19 × 105	6.26 × 104
cuf_811	4.6	4.1	80.8	0.85	3.9	1.01 × 10−8	1.18 × 10−8	2.84 × 105	7.13 × 104
cuf_735	4.1	4.6	80.5	1.09	4.5	1.77 × 10−8	1.61 × 10−8	4.57 × 105	1.01 × 105
cuf_818	4.9	4.0	75.8	1.08	5.3	1.87 × 10−8	1.73 × 10−8	5.74 × 105	1.06 × 105
pMOF_44	4.0	4.4	82.6	0.87	3.5	1.25 × 10−8	1.43 × 10−8	3.36 × 105	9.42 × 104
cuf_2872	4.4	4.2	79.9	1.02	4.5	1.91 × 10−8	1.87 × 10−8	5.47 × 105	1.20 × 105
cuf_7134	5.0	3.8	77.2	1.05	5.2	1.17 × 10−8	1.12 × 10−8	3.37 × 105	6.34 × 104
cuf_809	4.4	4.2	79.7	0.95	4.1	1.68 × 10−8	1.78 × 10−8	4.46 × 105	1.06 × 105
pMOF_513	3.5	4.8	84.2	0.96	3.4	1.91 × 10−8	2.00 × 10−8	4.56 × 105	1.34 × 105
cuf_824	5.0	3.9	73.9	0.91	4.5	1.22 × 10−8	1.34 × 10−8	3.75 × 105	8.10 × 104
cuf_110	4.9	4.1	73.0	0.80	3.9	5.03 × 10−9	6.32 × 10−9	1.51 × 105	3.84 × 104
cuf_2640	4.2	4.4	79.5	1.06	4.4	1.49 × 10−8	1.41 × 10−8	4.10 × 105	9.08 × 104
cuf_7812	4.2	4.3	81.5	1.11	4.6	1.00 × 10−8	9.00 × 10−9	2.61 × 105	5.54 × 104
pMOF_41	3.8	4.5	84.6	0.99	3.7	1.40 × 10−8	1.41 × 10−8	3.46 × 105	9.10 × 104
cuf_533	4.5	4.1	78.9	0.93	4.1	1.70 × 10−8	1.84 × 10−8	4.78 × 105	1.14 × 105
cuf_340	4.2	4.3	79.7	0.86	3.6	1.13 × 10−8	1.32 × 10−8	3.11 × 105	8.50 × 104