Vapor-Liquid Equilibria of sec-Butanol–Isobutanol, sec-Butanol–tert-Butanol, and Isobutanol–tert-Butanol Systems

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12 Scopus citations

Abstract

Vapor-liquid equilibrium data are determined at 760 mm Hg for the binary systems sec-butanol-isobutanol, sec-butanol-tert-butanol, and isobutanol-tert-butanol. The first system behaves like an ideal solution, and the second presents small negative deviations from the ideal solution with activity coefficients that are well represented by a oneconstant Redllch-Kister equation. The third system leads to simple activity coefficients that are thermodynamically inconsistent because of homo- and heteroassociation of the different species. An explanation is provided that points to positive deviations from the ideal behavior.

Original languageEnglish
Pages (from-to)388-391
Number of pages4
JournalJournal of Chemical and Engineering Data
Volume20
Issue number4
DOIs
StatePublished - 1 Oct 1975

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering

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