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Tie-line data for aqueous mixtures of butyric acid with isobutyl acetate at various temperatures

Abstract

Experimental liquid-liquid equilibrium (LLE) data for the system of (water+butyric acid+iso-butyl acetate) were obtained at T=(298.2, 303.2, 308.2, and 313.2) K and atmospheric pressure. This ternary system exhibits type-1 behavior of LLE. The experimental tie-line data were correlated using the UNIQUAC and NRTL models. The reliability of the experimental tie-line data was determined by applying the Othmer-Tobias and Hand correlations. Distribution coefficients and separation factors were calculated over the immiscibility regions.

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Correspondence to Hossein Ghanadzadeh.

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Ghanadzadeh, H., Asgharzadeh, S., Dastmoozeh, N. et al. Tie-line data for aqueous mixtures of butyric acid with isobutyl acetate at various temperatures. Korean J. Chem. Eng. 29, 1615–1621 (2012). https://doi.org/10.1007/s11814-012-0067-3

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Key words

  • Butyric Acid
  • LLE Data
  • Ternary Mixture
  • NRTL Model
  • UNIQUAC Model