Carbon Dioxide Solubility in Phosphonium-, Ammonium-, Sulfonyl-, and Pyrrolidinium-Based Ionic Liquids and their Mixtures at Moderate Pressures up to 10 bar

• DOI: 10.1021/acs.jced.6b00833
• Publication Date: 2017-03-20T15:28:14Z
• Authors: Tausif Altamash; Tamara Shabib Hai...; Mahsa Ali Tarsad; Baraa Anaya; Moustafa Hussein Ali; Santiago Aparicio; Mert Atilhan
• Keywords: Dicyanamide; Phosphonium; Sulfonyl; Gravimetric analysis; Hildebrand solubility parameter; Imide

Carbon dioxide solubility in four ionic liquids (ILs) of different families with cationic–anionic groups (tributylmethylphosphonium formate, butyltrimethylammonium bis(trifluoromethyl sulfonyl) imide, 1-methyl-1-propylpyrrolidinium dicyanamide, and 1-ethyl-3-methylimidazolium acetate) at temperature 298 K a pressure range from vacuum to 10 bar were studied this work using state the art gravimetric sorption experiments. This provides insight information regarding CO2 for IL–IL mixing effect pressures up K. Density values used calculate molar volume further discussions on solubility-molar relationship. Noticeably higher hybridized systems family is opening new window research molecular level by simulations intellectually designed ILs. Chemisorption behavior has been observed ILs that contain acetate-based anions structure relevant discussion included work.