Solid-Liquid Equilibria for the Glycine-Alcohol-NaCl-H2O System

被引：0
|
作者：
Ansari, Ziaul Haque [1 ,2 ]
Li, Zhibao [1 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2017年 / 62卷 / 10期
基金：
中国国家自然科学基金;
关键词：
SOLVENT ELECTROLYTE SYSTEMS; MODELING PHASE-EQUILIBRIA; EXCESS GIBBS ENERGY; AQUEOUS-ALKANOL SOLUTIONS; PARTIAL MOLAL PROPERTIES; LOCAL COMPOSITION MODEL; EQUATION-OF-STATE; AMINO-ACIDS; HIGH-PRESSURES; TRANSPORT-PROPERTIES;
D O I：
10.1021/acs.jced.7b00549
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An investigation of the solubility of glycine-alcohol (ethanol/1-propanol)-NaCl-H2O system was carried out by dynamic method over the temperature range from 283.15 to 333.15 K. The studied systems were glycine-alcohol (ethanol/1-propanol)-H2O, glycine-ethanol-NaCl (0.5, 1.0, 2.0 mol.kg(-1) water)-H2O, glycine-1-propanol-NaCl (0.5 mol.kg(-1) water)-H2O, and NaCl-alcohol (ethanol/1-propanol)-glycine (0.25 mol.kg(-1) water)-H2O. The solubilities of glycine and NaCl were found to increase with increasing temperature and decrease with increasing concentration of alcohols. A chemical model was successfully developed based on the mixed solvent electrolyte (MSE) model by regressing experimental and literature solubilities data of glycine in the glycine-ethanol-NaCl-H2O and glycine-1-propanol-H2O systems. New sets of middle range and UNIQUAC interaction parameters were obtained. The average absolute deviation between regressed and experimental values was found to be less than 7%.
引用
收藏
页码：3551 / 3560
页数：10
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