1. CTAS
  2. All Volumes and Issues
  3. Volume 5, Number 2
  4. APPLICATION OF WILSON'S MODEL FOR DESCRIPTION OF PHASE EQUILIBRIUM OF VAPOR LIQUID FOR AZEOTROPIC SYSTEM ACETIC ACID – ACRYLIC ACID

APPLICATION OF WILSON'S MODEL FOR DESCRIPTION OF PHASE EQUILIBRIUM OF VAPOR LIQUID FOR AZEOTROPIC SYSTEM ACETIC ACID – ACRYLIC ACID

CTAS.
2022;
Volume 5, Number 2
: 24-29
https://doi.org/10.23939/ctas2022.02.024
Authors:
  1. Valentyn Serheyev
  2. Serhiy Gerasymchuk
  3. H. V. Melnyk
  4. B. Yu. Vоdко
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University
3
Lviv Polytechnic National University
4
Lviv Polytechnic National University

Based on data on the composition of azeotropic solutions for the acetic acid - acrylic acid system, the parameters of the semi-empirical Wilson model for temperatures 320, 330, 340, 350 K were calculated using the mathematical software package Mathcad 14 by iterations. The obtained parameters made it possible to describe the vapor-liquid equilibrium in the acetic acid-acrylic acid system: to calculate the composition of the equilibrium phases, the activity coefficients of the solution components, the separation coefficient and to construct p-x isothermal boil diagrams.

acetic acid; acrylic acid; Wilson’s equation; azeotropic solution; activity coefficients; phase equilibrium.
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