Review of the Pressure Swing Adsorption Process for the Production of Biofuels and Medical Oxygen: Separation and Purification Technology

Table 15

Works reported on the different configurations of PSA processes for purification of medical oxygen.

Reference	Experimental/simulated	PSA cycles	Pressure swing (kPa)	Bed regeneration time (min)	Oxygen feed (% molar fraction)
[83]	Experimental	1 bed; 4 steps	400 to 100	0.016	21
[90]	Simulated	2 beds; 5 steps	100 to 90	—	21
[91]	Simulated	4 beds; 7 steps	300 to 50	1.3	22
[79]	Experimental	2 beds; 6 steps	150 to 50	—	50
[75]	Simulated	6 beds; 9 steps	1000 to 100	—	21
[92]	Experimental	2 beds; 6 steps	355 to 101	0.33	90
[93]	Simulated	2 beds; 5 steps	150 to 100	0.1 to 2.1	—
[94]	Simulated	2 beds; 4 steps	250 to 75	0.666	20.8
[95]	Experimental	2 beds; 3 steps	250 to 100	0.166	21
[96]	Simulated	1 beds; 4 steps	—	0.083	20 to 50
[97]	Experimental	4 and 6 beds; 5 steps	250 to 101	0.5, 0.8, and 1	—