Liquid - liquid equilibria of the water + butyric acid + decanol ternary system

Brazilian Journal of Chemical Engineering

S.i. Kirbaslar¹ 

[1],Istanbul University Chemical Engineering Department School of EngineeringAvcilar Istanbul ,Turkey

关键词: Liquid-liquid equilibria;    Butyric acid;    Decanol;    UNIFAC method;   

DOI  :  10.1590/S0104-66322006000300010

来源: SciELO

【 摘 要 】

Liquid-liquid equilibrium (LLE) data for the water + butyric acid + decanol ternary system were determined experimentally at temperatures of 298.15, 308.15 and 318.15 K. Complete phase diagrams were obtained by determining the solubility curve and the tie lines. The reliability of the experimental tie line data was confirmed with the Othmer-Tobias correlation. The UNIFAC method was used to predict the phase equilibrium of the system using the interaction parameters for groups CH3, CH2, COOH, OH and H2O determined experimentally. Distribution coefficients and separation factors were evaluated for the immiscibility region.

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