Vapor-liquid phase equilibrium in random microporous matrices

David M. Ford, Eduardo D. Glandt

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

The theory developed by Madden and Glandt [J. Stat. Phys. 51, 537 (1988)] for fluids in disordered microporous matrices is extended. A perturbation theory approach is used to obtain the free energy of the confined fluid, with the interparticle potential as the perturbation variable. The theory is combined with a mean-field approximation and applied to a system of square-well particles for which vapor-liquid coexistence envelopes are obtained. The effects of matrix density on the coexistence properties are explored, and a comparison is done with previous experiment and lattice modeling.

Original languageEnglish
Pages (from-to)1280-1286
Number of pages7
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume50
Issue number2
DOIs
StatePublished - 1994

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