Liquid + liquid) equilibrium data for ternary mixtures of (water + phosphoric acid + hydrocarbonic solvent) at T = 298.2 K

Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

CSSE03_074

تاریخ نمایه سازی: 22 خرداد 1391

Abstract:

Experimental tie-line results and phase diagrams were obtained for the ternary systems of {water + phosphoric acid + hydrocarbonic solvent (n-hexane, methylcyclohexane and toluene)} at T = 298.2 K and atmospheric pressure. The hydrocarbonic solvents were one linear aliphatic hydrocarbon (i.e., n-hexane), a cycloaliphatic hydrocarbon (methylcyclohexane), and an aromatic hydrocarbon (toluene). The experimental tie-lines values were also compared with those calculated by the NRTL model. The consistency of the values of the experimental tie-lines was determined through the Othmer–Tobias and Hands plots. Distribution coefficients and separation factors were evaluated over the immiscibility regions and a comparison of the extracting capabilities of the solvents was made with respect to distribution coefficients and separation factors.

Authors

Ali Ghanadzadeh Gilani

Department of Chemistry, University of Guilan, Rasht, Iran

Hosein Ghanadzadeh Gilani

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

Sina Shekarsaraee

Department of Chemistry, University of Guilan, Rasht, Iran

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