Issue 17 (2013)

Experimental investigation of carbon dioxide absorption in ionic liquid [bmim][Ac]

Authors: Adam Rotkegel, Zenon Ziobrowski, Roman Krupiczka

Keywords: carbon dioxide absorption, ionic liquids (ILs)

Abstract: The experimental results of equilibrium capacity of carbon dioxide absorption in ionic liquid [bmim][Ac] are presented. Experiments were performed in bubbling apparatus in temperature range 20-60°C. Measured equilibrium carbon dioxide absorption capacities are comparable with those obtained for aqueous MEA solutions used in industry. With rising temperature the higher values of absorption rates and lower equilibrium CO2 absorption capacities were obtained.