(Liquid + liquid) equilibria of (tert -amyl ethyl ether+ ethanol + water) at several temperatures

Experimental Determination of Liquid−Liquid Equilibrium Using Ionic Liquids: tert-Amyl Ethyl Ether + Ethanol + 1-Octyl-3-Methylimidazolium Chloride System at 298.15 K

“…Industrially, ether purification is carried out using water as the extraction solvent. LLE data for TAEE + ethanol + water have been previously reported, but the tie lines lie down toward TAEE. Thus, the solute-distribution ratio is nonfavorable for water, and so this ionic liquid seems a promising alternative for the actual purification process.…”

On the application of the NRTL method to ternary (liquid+liquid) equilibria

“…Figure 5 shows the effect of both approaches on some of the tie lines. Regarding s ij values and its variation with temperature it is interesting to note that, in a recent paper Arce et al [10] have studied (liquid + liquid) equilibria of the system {tert-amyl ethyl ether (TAEE) + ethanol + water} at several temperatures, obtaining by direct correlation the energy parameters shown in table 7. However, simultaneous correlation of all data at the three temperatures yield the energy parameters shown in table 8.…”

“…x (3)} with a = 0.1 in reference [10] (g 12 À g 22 ) (g 21 À g 11 ) (g 13 À g 33 ) (g 31 À g 11 ) (g 23 À g 33 ) (g 32 À g 22 ) 11,362 À6297.4 À77.71 22,646 À8119.6 14,369…”

(Liquid+liquid) equilibria for (water+acetic acid+2-ethyl-1-hexanol): experimental data and prediction

“…A large amount of investigation has been carried out in recent years on the LLE measurements of ternary systems, in order to understand and provide further information about the phase behavior of such systems [1][2][3][4][5][6][7][8].…”