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Review Article

Recent Advances in Carbon-Based Adsorbents for Adsorptive Separation of Light Hydrocarbons

Table 3

Summary of the selected carbonaceous adsorbents for C2H4/C2H6 separation.

Sample IDUptake (mmol g-1)Qst (kJ mmol-1)Selectivity SC2H4/C2H6Ref.
C2H4C2H6C2H4C2H6

CMK-3a2.93.120190.94c[32]
4CuCl/CMK-3a3.21.753151.88c
8CuCl/CMK-3a3.61.366132.77c
MC-S-Ag-3b3.42.62.4d[94]
CuCl(6.0)/ACa2.70.852d[95]
CuCl(8.0)/ACa2.60.769.4d
beta-ZTC-O 2.2a4.97.317241.5e[96]
EMT-ZTCa4.15.924251.6e
FAU-ZTCa4.05.028251.7e
25CPDA@A-ACsb5.97.22.75f[30]
50CPDA@A-ACsb6.37.132353f
75CPDA@A-ACsb5.97.12.79f
NAC-800b4.55.822240.77e[90]
ANPC-1-800b5.76.830341.54e[97]
MGA-700-4b6.07.324296.76f[98]
MGA-750-3b5.77.022286.44f
C-PDA-3b5.16.622221.83e[99]

Gas uptake at a303 K and 100 kPa and b298 K and 100 kPa. cUptake ratio of C2H4/C2H6 as separation selectivity; IAST predicted selectivity for separation of C2H4/C2H6 with mole ratios of d50/50; IAST predicted reverse selectivity for separation of C2H4/C2H6 with mole ratios of e50/50 and f15/1.