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Extraction of Monocyclic Aromatic Hydrocarbons From Petroleum Products Using Sulfolane as Industrial Solvent | ||
| Al-Khwarizmi Engineering Journal | ||
| Article 1, Volume 6, Issue 3, 2010, Pages 1-13 | ||
| Authors | ||
| Moayad abd al-Hassan; Khalid F. Chasib Al-Jiboury | ||
| Abstract | ||
| Liquid – liquid equilibria data were measured at 293.15 K for the pseudo ternary system (sulfolane + alkanol) + octane + toluene. It is observed that the selectivity of pure sulfolane increases with cosolvent methanol but decreases with increasing the chain length of hydrocarbon in 1-alkanol. The nonrandom two liquid (NRTL) model, UNIQUAC model and UNIFAC model were used to correlate the experimental data and to predict the phase composition of the systems studied. The calculation based on NRTL model gave a good representation of the experimental tie-line data for all systems studied. The agreement between the correlated and the experimental results was very good. | ||
| Keywords | ||
| liquid; liquid equilibria; extraction of aromatic; activity coefficient; sulfolane | ||
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