Liquid-liquid-solid equilibria of the quaternary system water-ethanol-1-butanol-soldium chloride at 25°C

The methodology for the study of the liquid-liquid-solid equilibrium of quaternary systems has been reviewed and applied to the water-ethanol-1-butanol-sodium chloride system at 25°C. All the equilibrium regions have been systematically studied. Tie-line data have been correlated using a modification of the Eisen-Joffe equation.