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

Table 21

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

Reference	Experimental/simulated	PSA cycles	Pressure swing (kPa)	Bed regeneration time (min)	Steam feed composition (% molar fraction of CH4)
[105]	Experimental	2 bed	600-800 to 30-15	3.33-11.66	50-75
		6 steps
[102]	Simulated	2 beds	650	4.16667	55
		6 steps
[103]	Simulated	1-2 beds	347-350	2.3-2.55 min	64
		3-6 steps
[101]	Experimental	2 beds	400	1.81667	55
		4 steps
[100]	Simulated	3 beds	100	—	60
		10 steps