Analysis of the n-component n-phase equilibrium extremum problem

Patton, C.L., Green, K.A. and Luks, K.D., 1992. Analysis of the n-component n-phase equilibrium extremum problem. Fluid Phase Equilibria, 72: 267-275 The general condition for a pressure extremum in the n-component n-phase composition surface when projected onto pressure-temperature coordinates is i...

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Published in:Fluid phase equilibria 1992, Vol.72, p.267-276
Main Authors: Patton, Christi L., Green, Kimberly A., Luks, Kraemer D.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Others (including liquid-liquid-vapor equilibria)
Phase equilibria
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Summary:Patton, C.L., Green, K.A. and Luks, K.D., 1992. Analysis of the n-component n-phase equilibrium extremum problem. Fluid Phase Equilibria, 72: 267-275 The general condition for a pressure extremum in the n-component n-phase composition surface when projected onto pressure-temperature coordinates is identified. For n = 2, the physical situation is well known, being either the state of criticality (liquid = gas) or azeotropy ( x 1g = x 11). For n > 2, it is shown that the extremum results from the existence of a linear relation between the compositions of the n phases, with azeotropy being a special case of that constraint.
ISSN:0378-3812
1879-0224
DOI:10.1016/0378-3812(92)85030-C