The presentation outlines the performance and process configurations of the CO2-binding organic liquids (CO2BOLs)  CO2 capture technology for treating post-combustion emissions.  This organic solvent-based process couples the unique attributes of CO2BOLs with the newly discovered polarity-swing-assisted regeneration (PSAR) process that is unique to switchable ionic liquids.  Combining this polarity assist with CO2BOLs is estimated to provide more than 42% energy savings over aqueous alkanolamine systems.  Further, the low regeneration temperatures of the technology also allows for unique energy integration techniques that can further improve this energy savings to more than 65%, such that parasitic load penalties of CO2 capture could be a fraction of current commercial systems. Conceptual configurations and estimated process performance will be discussed.

CO2-binding organic liquids, enhanced CO2 capture process with polarity-swing-assisted regeneration

243rd National Meeting (2012)

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