Korean Journal of Chemical Engineering, Vol.33, No.1, 260-264, January, 2016
Measurement and correlation of vapor-liquid equilibria for a binary system containing 1-butyl-3-methylimidazolium tridecafluorohexylsulfonate and carbon dioxide
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Using a high-pressure variable-volume view cell, the vapor-liquid equilibria of the binary system CO2 and 1-butyl-3-methylimidazolium tridecafluorohexylsulfonate ([BMIM][TDfO]) were determined. The CO2 mole fraction ranged from 0.104 to 0.952 over a temperature range of 298.2-323.2 K. Both the Peng-Robinson and Soave-Redlich-Kwong equations of state were applied with two different mixing rules to correlate with the experimentally obtained results. Increasing the alkyl chain length in perfluorinated sulfonate anion mother structure from methyl to hexyl markedly increased the CO2 solubility. To investigate the effect of the number of fluorine atoms in the anion on the phase behavior of imidazolium-based ionic liquid, these experimental results were then compared with those reported in previous experimental studies of 1-alkyl-3-methylimidazolium cations-including ionic liquid+CO2 binary system.
Keywords:Carbon Dioxide;Phase Equilibrium;1-Alkyl-3-methylimidazolium Tridecafluorohexyl Sulfonate;VLE
- http://www.epa.gov/climatechange/ghgemissions/gases/co2.html (accessed 20 February 2015).
- Wang X, Chen J, Mi JG, Ind. Eng. Chem. Res., 52(2), 954 (2013)
- Aki SNVK, Mellein BR, Saurer EM, Brennecke JF, J. Phys. Chem. B, 108(52), 20355 (2004)
- Bhargava BL, Balasubramanian S, Chem. Phys. Lett., 444(4-6), 242 (2007)
- Cadena C, Anthony JL, Shah JK, Morrow TI, Brennecke JF, Maginn EJ, J. Am. Chem. Soc., 126(16), 5300 (2004)
- Shimoyama Y, Ito A, Fluid Phase Equilib., 297(2), 178 (2010)
- Shin EK, Lee BC, J. Chem. Eng. Data, 53(12), 2728 (2008)
- Jiang YY, Zhou Z, Jiao Z, Li L, Wu YT, Zhang ZB, J. Phys. Chem. B, 111(19), 5058 (2007)
- Finotello A, Bara JE, Camper D, Noble RD, Ind. Eng. Chem. Res., 46, 3453 (2008)
- Anthony JL, Anderson JL, Maginn EJ, Brennecke JF, J. Phys. Chem. B, 109(13), 6366 (2005)
- Hwang S, Park Y, Park K, J. Chem. Thermodyn., 43(3), 339 (2011)
- Hwang S, Park Y, Park K, J. Chem. Eng. Data, 57(8), 2160 (2012)
- Hong SK, Park YK, Pore DM, Korean J. Chem. Eng., 31(9), 1656 (2014)
- http://webbook.nist.gov/chemistry/fluid (accessed 15 January 2015).
- ISO/IEC Guide 98-3, “Uncertainty of measurement - Part 3: Guide to the expression of uncertainty in measurement (GUM 1995),” Geneva, Switzerland (2008).
- Fernandez-Ronco MP, Gracia I, De Lucas A, Rodriguez JF, J. Supercrit. Fluids, 57(2), 112 (2011)
- Michelsen ML, Kistenmacher H, Fluid Phase Equilib., 58, 229 (1990)
- Valderrama JO, Robles PA, Ind. Eng. Chem. Res., 46(4), 1338 (2007)
- Pfohl O, Petkov S, Brunner G, PE 2000-A powerful tool to correlate phase equilibria; Herbert Utx Verlag: Munich (2000).
- Lee BC, Nam SG, Korean J. Chem. Eng., 32(3), 521 (2015)