Study of Phase Equilibria in Aqueous Mixtures of Phosphoric Acid with an Ester at T=298.15 K

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICHEC15_053

تاریخ نمایه سازی: 19 تیر 1394

Abstract:

This study demonstrates the experimental solubility and tie-line data for (water + phosphoric acid + hexyl acetate) ternary system at T = 298.15 K and atmospheric pressure for the first time.Data for the binodal curves were determined by cloud-point titration method. The concentration of each phase was determined by acidimetric titration, the Karl Fischer technique, and refractive index measurements. A type-1 liquid liquid equilibrium (LLE) phase diagram was obtained for the ternery system. The experimental tie-line data were correlated using the UNIQUAC model.The reliability of the experimental data was determined through the Hand plot.Distributioncoefficients and separation factors were evaluated over the immiscibility region.

Authors

A Ghanadzadeh Gilani

Department of Chemistry, Faculty of science, University of Guilan, Rasht, Iran

H Ghanadzadeh Gilani

Department of Chemical Engineering, University of Guilan, Rasht, Iran

S. Shekarsaraee

Department of Chemistry, Faculty of science, University of Guilan, Rasht, Iran

E. Nasiri Touli

Department of Chemistry, Faculty of science, University of Guilan, Rasht, Iran

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