Correlations of Low-Pressure Carbon Dioxide and Hydrocarbon Solubilities in Imidazolium-, Phosphonium-, and Ammonium-Based Room-Temperature Ionic Liquids. Part 1. Using Surface Tension Export

@article{citeulike:5720887, abstract = {This paper examines the dependence of gas solubility on the surface tension of room-temperature ionic liquids (RTILs). The solubility phenomena of the CO2, ethylene, propylene, 1-butene, and 1,3-butadiene in five imidazolium-, four phosphonium-, and eight ammonium-based RTILs are explained using the Hansen RTIL solubility parameters that were calculated from surface tension measurements. The Hansen solubility parameters were estimated from the surface tensions of the respective RTILs with a proportionality constant that is a function of the ratio of the number of nearest-neighbor interactions in the bulk liquid to those on the surface. The calculated solubility parameters are almost independent of temperature. The surface tension solubility parameter model explains the effect of variation of alkyl chain lengths in the cations and the variation of the RTIL anions on gas solubility within an error of +-15\%. The analysis may indicate that the CO2anion interaction is not the dominant factor that determines the relative CO2 solubility between RTILs.}, author = {Kilaru, Prem K. and Condemarin, Ricardo A. and Scovazzo, Paul}, citeulike-article-id = {5720887}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/ie070834r}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/ie070834r}, day = {1}, doi = {10.1021/ie070834r}, journal = {Industrial \& Engineering Chemistry Research}, keywords = {ammonium, carbondioxide, correlation, hydrocarbon, rtil}, month = {February}, number = {3}, pages = {900--909}, posted-at = {2009-09-04 08:50:46}, priority = {3}, title = {Correlations of Low-Pressure Carbon Dioxide and Hydrocarbon Solubilities in Imidazolium-, Phosphonium-, and Ammonium-Based Room-Temperature Ionic Liquids. Part 1. Using Surface Tension}, url = {http://dx.doi.org/10.1021/ie070834r}, volume = {47}, year = {2008} }

TY - JOUR ID - citeulike:5720887 L3 - citeulike-article-id:5720887 N2 - This paper examines the dependence of gas solubility on the surface tension of room-temperature ionic liquids (RTILs). The solubility phenomena of the CO2, ethylene, propylene, 1-butene, and 1,3-butadiene in five imidazolium-, four phosphonium-, and eight ammonium-based RTILs are explained using the Hansen RTIL solubility parameters that were calculated from surface tension measurements. The Hansen solubility parameters were estimated from the surface tensions of the respective RTILs with a proportionality constant that is a function of the ratio of the number of nearest-neighbor interactions in the bulk liquid to those on the surface. The calculated solubility parameters are almost independent of temperature. The surface tension solubility parameter model explains the effect of variation of alkyl chain lengths in the cations and the variation of the RTIL anions on gas solubility within an error of +-15%. The analysis may indicate that the CO2anion interaction is not the dominant factor that determines the relative CO2 solubility between RTILs. IS - 3 JF - Industrial & Engineering Chemistry Research EP - 909 TI - Correlations of Low-Pressure Carbon Dioxide and Hydrocarbon Solubilities in Imidazolium-, Phosphonium-, and Ammonium-Based Room-Temperature Ionic Liquids. Part 1. Using Surface Tension VL - 47 SP - 900 KW - ammonium KW - carbondioxide KW - correlation KW - hydrocarbon KW - rtil AU - Kilaru, Prem AU - Condemarin, Ricardo AU - Scovazzo, Paul PY - 2008/02/01/ UR - http://dx.doi.org/10.1021/ie070834r ER -