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

Table 3

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

Reference	Experimental /simulated	PSA cycles	Pressure swing (kPa)	Bed regeneration time (min)	Ethanol feed (% wt)
[32]	Simulated	2 beds	200 to 13	5.3	90
		4 steps
[33]	Experimental	2 beds	(200-240) to 20	7	95
		4 steps
[34]	Experimental	2 beds	379.79 to 13.8	5.4	92
		5 steps
[35]	Experimental	2 beds	120 to 20	3.8	93.2
		4 steps
[36]	Experimental	3 beds	(120, 130) to 20	6.6	87
		4 steps
[37]	Experimental	2 beds	303 to 30	45	88.57
		4 steps
[14]	Simulated	2 beds	204.5 to 13.4	2.91	90
		4 steps
[30]	Simulated	2 beds	340 to 30	—	86
		2 steps