Functionalized Mesoporous Silica Membranes for CO₂ Separation Applications

Table 2

Performance of published amine-functionalized mesoporous silica membranes for CO₂ separation (GPU = 3.35 × 10⁻¹⁰ mol m⁻² s⁻¹ Pa⁻¹).

CO2 permeance (GPU)	Selectivity (CO2/N2 or CH4)	Presence of water	Temperature	Ref.
3	800	X	373 K	[47]
0.144	0.012	O	294 K	[43]
100	17	X	308 K	[42]
0.8	10	X	393 K	[46]
1.8	0.15	X	308 K	[48]
9.4	2.5	O	308 K	[48]
63	4	X	393 K	[44]