Tie Lines from a Conjugate Curve in Ternary LLE Diagram

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Consider the ternary system aniline-methylcyclopentane--hexane at . For temperatures above , this ternary system gives a type I liquid-liquid equilibrium (LLE) diagram. The Demonstration uses arc-length continuation to compute the LLE diagram. In addition, the conjugate curve (shown in green) is superimposed on the same diagram. As you choose a point on the conjugate curve by dragging the slider, the Demonstration constructs the corresponding tie line in cyan.

Contributed by: Housam Binous, Farrukh Shehzad, Abdelmalek Hasseine, and Ahmed Bellagi (January 2016)
(King Fahd University of Petroleum & Minerals, KSA; University of Biskra, Algeria; University of Monastir, Tunisia)
Open content licensed under CC BY-NC-SA




[1] B. de B. Darwent and C. A. Winkler, "The System -Hexane–Methylcyclopentane–Aniline," Journal of Physical Chemistry, 47(6), 1943 pp. 442–454. doi:10.1021/j150429a005.

[2] J. D. Seader, E. J. Henley, and D. K. Roper, Separation Process Principles: Chemical and Biochemical Operations, 3rd ed., New York: Wiley, 2011.

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