Experimental Investigation on the Solubility and Initial Rate of Absorption of CO2 in Mixture of Amine-Functionalized Ionic Liquids and Physical Solvents

Document Type: Research note

Authors

Gas Science Department, Gas Research Division, Research Institute of Petroleum Industry (RIPI), National Iranian Oil Company (NIOC), West Blvd., Azadi Sport Complex, Tehran, Iran

Abstract

In this paper, the experimental investigation ofsolubility and initial absorption rate of CO2 gas in methanol and 1-ethyl-3-methylimidazolium ethylsulfate, [emim][EtSO4] solution of amine-functionalized imidazolium based ionic liquids, namely 1-(3- aminopropyl)-3-methylimidazolium, [apmim], with tetrafluoroborate, [BF4], hexafluorophosphate, [PF6] and trifluoromethanesulfonate [OTf] anions are presented. All ionic liquids in this work are synthesized according to literature procedure and all experimental trials were carried out at T=303.15 K and pressure from atmospheric to 40 bar.

Keywords

Main Subjects


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