Table 1.

Comparison of the separation performance of the reported membranes with this work.

Membrane	P (bar)	T (°C)	SO2/N2	PO2 (barrer) a	Ref.
1–15 wt % MgPc/PEI	12.8	25	≈2.3–5.4	≈0.42–0.13 GPU b	[40]
1–15 wt % CoPc/PEI	12.8	25	≈4.8–1.9	≈0.25–1.13 GPU	[40]
1 wt % cosalen/PU	1	5–35	≈4.2–3.0	≈4.2–13.2	[41]
20 wt % CoFPP/Nafion	1–2	25	≈14.2–2.0	≈2.2–0.3	[22]
SiO2–PVP–salcomine	-	25–150	1.4–6.1	0.35–1.48 GPU	[14]
1 wt % CoPc/Pebax-1657	2–8	25	≈8.5–5.5	≈1.12–0.93 GPU	[13]
0.6 wt % T(p-OCH3)PPCoCl/Pebax-2533	0.35–8	18	7.6–2.2	12.2–6.3	This study

^a 1 barrer = 10⁻¹⁰ cm³ cm cm⁻² s⁻¹ cmHg⁻¹; ^b 1 GPU = 10⁻⁶ cm³ cm⁻² s⁻¹ cmHg⁻¹ = 3.38 × 10⁻¹⁰ mol m⁻² s⁻¹ Pa⁻¹.