Screening of Pure ILs and DESs for CO2 Separation, N2O Separation, and H2S Separation Processes

Ionic liquids (ILs) are proposed as potential “green” solvents with remarkable properties. Deep eutectic (DESs) a new type of ILs additional properties, such higher biodegradability and lower price. DESs absorbents for various gas separations, CO2/N2, CO2/H2/CO, H2S/CH4, N2O/N2. Due to their large number, the screening is crucial. Although high absorption capacities were screened using solubility selectivity, it important consider energy used in process. In this paper, absorbent amount consumption separation processes. The results reveal that physical IL [Bmim][DCA] chemical [Eeim][Ac] CO2/N2 CO2/H2/CO separation, [Omim][PF6] H2S/CH4 [P66614][eFAP] NO/N2 separation. offer some advantages over commercial terms or amount.