Utilization of dual - PSA technology for natural gas upgrading and integrated CO2 capture
Peer reviewed, Journal article
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Original versionEnergy Procedia. 2012, 26 2-14. 10.1016/j.egypro.2012.06.004
In this study, we have considered Pressure Swing Adsorption (PSA) technology natural gas purification and integrated CO2 capture. We present the utilization of Dual-PSA technology for obtaining pipeline-quality methane and integrated CO2 capture. In the initial simulation example, a binary stream of 10% CO2 – 90% CH4 could be separated into two streams where the CH4-rich stream has a purity of 98% and the CO2-rich stream has a purity of 91%. The overall recovery of methane is higher than 99% and unit productivity of the Dual-PSA is 3.3 mol CH4 /(kgads.h).