Development of a conceptual process for CO2 capture from flue gases using ionic liquid

The objective of this work is to develop a conceptual design of 1-buty1-3-methylimidazolium acetate ([bmim][Ac]) to capture 90 % of CO2 from different scenarios. Each scenario includes flue gas dehydration, capture of at least 90 % of CO2 from the feed, and compression to almost pure CO2 for sequestration at 150 bar. In addition, the results showing the investment and operating costs are compared with those of the conventional MEA plant. The IL-based capture process is comparable with an MEA-based process at high CO2 content.