Liquid-Liquid Equilibria of Water + Butyric Acid + Nonanol Ternary System

被引：3
|
作者：
S.Ismail Kirbaslar
Sema Yüksel
Erol Ince
Ismail Boz
机构：
[1] Istanbul University Engineering Faculty
[2] Chemical Engineering Department
[3] 34320 Avcilar
[4] Turkey
[5] Istanbul
[6] Mak-Plast Mahmutbey TasocaglYolu
[7] 34560 Bagcilar
[8] No. 7
来源：
Chinese Journal of Chemical Engineering | 2004年 / 05期
关键词：
butyric acid; nonanol; liquid-liquid equilibria; universal quasichemical functional group activity coefficient (UNIFAC); modified UNIFAC;
D O I：
暂无
中图分类号：
O642 [化学热力学、热化学、热力学平衡];
学科分类号：
摘要：
Liquid-liquid equilibrium (LLE) data for the water + butyric acid + nonanol system have been determined experimentally at the temperatures of 298.15 K, 308.15 K and 318.15 K. Tie-line compositions were correlated by Othmer-Tobias method. The universal quasichemical functional group activity coefficient (UNIFAC) and modified UNIFAC methods were used to predict the phase equilibrium in the system using the interaction parameters between CHs, CH2, COOH, OH and H2O functional groups. Distribution coefficients and separation factors were evaluated for the immiscibility region.
引用
收藏
页码：104 / 107
页数：4
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