Carbon Dioxide Separation from Flue Gases: A Technological Review Emphasizing Reduction in Greenhouse Gas Emissions

Table 5

Comparison between several adsorption cycles for CO₂ separation process [166].

Process	CO2 feed molar fraction; (%) (other gases present)	CO2 purity (%)	CO2 recovery (%)
PSA	13 (O2)	99.5	69
TSA	10	95	81
TSA	17	n.a.	40
ESA	10	23.33	92.57
VSA	15	90	90
VSA	17	n.a.	87
3-bed VSA	12	90–95	60–70
PSA/VSA	20	58–63	70–75
PSA/VSA	15 (H2O)	59	87
VPSA	17	99.5–99.8	34–69
VPSA	16 (O2)	99	53–70
PTSA	10	99	90
2-bed-2-step PSA	n.a.	18	90
VTSA	17	n.a.	97