Univolatility curves in ternary mixtures: Topology and bifurcation

Nataliya Shcherbakova*, Ivonne Rodriguez Donis, Jens Abildskov, Vincent Gerbaud

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


The topological structure of univolatility curves of ternary homogeneous mixtures is derived from the boiling temperature and univolatility hypersurfaces geometry. The key point is the concept of the generalized univolatility curve in the 3D state space, which allows putting in evidence the bifurcation mechanism of the sets of the univolatility curves and to tune-up an efficient numerical algorithm for their computation by a simple integration of a system of ordinary differential equations. Two examples of different two types of bifurcation are presented by varying pressure in order to modify the topology of the ternary residue curve map.

Original languageEnglish
Title of host publicationChemical Engineering Transactions
Editors Elisabetta Brunazzi, Eva Sorensen
Publication date2018
ISBN (Print)9788895608662
Publication statusPublished - 2018


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