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

Table 9

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

Reference	Experimental/simulated	PSA cycles	Pressure swing (kPa)	Bed regeneration time (min)	Hydrogen feed (% molar fraction)
[55]	Simulated	2 beds	500 to 50	5	79
		10 steps
[67]	Simulated	10 beds	(1300-1200) to 20	—	62.57
		5 steps
[56]	Experimental	2 beds	350 to 100	7.5	67, 68, 78, and 81
		4 steps
[57]	Experimental	2 beds	350 to 100	5.8	67, 68, and 78
		4 steps
[58]	Simulated	6 beds	1100 to 100	6.6	70
		9 and 12 steps
[68]	Experimental	4 beds	(1400-1600) to (131-50)	—	55
		8 steps
[59]	Simulated	4, 6, 8, and 10 beds	(3450-1730) to 100	4.6	15
		4, 6, 8, and 10 steps
[60]	Simulated	4 beds	1600 to 100	—	25, 50, and 75
		7 steps
[69]	Experimental	2 beds	(1000-4000) to 100	0.8	50
		5 steps
[70]	Experimental	8 beds	3500 to 100	4	88.75
		12 steps
[71]	Experimental	2 and 4 beds	(3000-3500) to 110	5 and 6.3	88
		6 and 10 steps