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

Table 1

Room temperature single gas permeation for H₂ and CO₂ through SAPO 34 membrane on untreated support at 30°C.

Temperature (°C )	Pressure (kg/cm^2)	Permeance ×10^7 (mol/m^2·sec-pa)		Selectivity
		H2	CO2
30	2	10.23	12.0	0.85
30	3	22.5	23.2	0.96
30	4	29.5	27.5	1.07
30	5	40.1	15.0	2.67