Abstract
Four pyridinium-based ionic liquids {N-ethylpyridinium ([epy]), 2-methyl-N-ethylpyridinium ([2empy]), 3-methyl-N-ethylpyridinium ([3empy]), and 4-methyl-N-ethylpyridinium ([4empy]), all with the anion bis(trifluoromethylsulfonyl)imide ([Tf2N])} were investigated for the first time as solvents in the liquid−liquid extraction of aromatics. Liquid−liquid equilibrium (LLE) data for the four ternary systems {heptane + toluene + [epy][Tf2N], or [2empy][Tf2N], or [3empy][Tf2N], or [4empy][Tf2N]} were determined at T/K = 313.2 and atmospheric pressure. The degree of consistency of the experimental LLE data was ascertained by applying the Othmer−Tobias correlation. The phase diagrams for the ternary systems were plotted, and the tie lines correlated with the NRTL model were compared satisfactorily with the experimental data. Finally, the selectivity and extractive capacity, derived from the LLE data, were calculated and compared to those previously reported in the literature for the system {heptane + toluene + sul...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
