Effect of PVP Intermediate Layer on the Properties of SAPO 34 Membrane

Table 2

Room temperature single-gas permeation for H₂ and CO₂ through SAPO 34 membrane on the support treated with PVP at 30°C.

Temperature (°C)	Pressure (kg/cm^2)	Permeance ×10^7 (mol/m^2·sec-pa )		Selectivity
		H2	CO2
30	2	6.0	1.8	3.33
30	3	7.0	6.0	1.16
30	4	16.0	4.0	4
30	5	21.0	5.0	4.2