(Liquid plus liquid) equilibrium;
Ternary mixture;
Butyric acid;
NRTL model;
UNIQUAC model;
PHASE-EQUILIBRIA;
TERNARY-SYSTEM;
DIETHYL SUCCINATE;
WATER TOLUENE;
CYCLOHEXANE;
GLUTARATE;
D O I:
10.1016/j.jct.2012.08.029
中图分类号:
O414.1 [热力学];
学科分类号:
摘要:
Solubility and tie line data for the (water + butyric acid + n-heptane) and (water + butyric acid + toluene) ternary systems were determined at T = (298.2, 308.2, and 318.2) K and atmospheric pressure. Solubility data were obtained by the cloud-point titration method. The concentration of each phase was determined by acidimetric titration, the Karl-Fischer technique, and refractive index measurements. The experimental tie-line data were correlated using the UNIQUAC and NRTL thermodynamic models. The reliability of the experimental data was determined through the Othmer-Tobias and Hand plots. Distribution coefficients and separation factors were evaluated for each system over the immiscibility regions. (C) 2012 Elsevier Ltd. All rights reserved.
机构:
Durban Univ Technol, Dept Chem, POB 1334, ZA-4000 Durban, South AfricaDurban Univ Technol, Dept Chem, POB 1334, ZA-4000 Durban, South Africa
Cele, N. P.
Bahadur, I.
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机构:
North West Univ, Dept Chem, Mafikeng Campus,Private Bag X2046, ZA-2735 Mmabatho, South Africa
North West Univ, Fac Agr Sci & Technol, Mat Sci Innovat & Modelling MaSIM Res Focus Area, Mafikeng Campus,Private Bag X2046, ZA-2735 Mmabatho, South AfricaDurban Univ Technol, Dept Chem, POB 1334, ZA-4000 Durban, South Africa
Bahadur, I.
Redhi, G. G.
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机构:
Durban Univ Technol, Dept Chem, POB 1334, ZA-4000 Durban, South AfricaDurban Univ Technol, Dept Chem, POB 1334, ZA-4000 Durban, South Africa
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
Yang, Xiaoguang
Song, Qilong
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
Song, Qilong
Dong, Hongxing
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Polymer Mat Res Ctr, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
Dong, Hongxing
Li, Yongrui
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机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
机构:
Univ KwaZulu Natal, Sch Engn, Thermodynam Res Unit, ZA-4041 Durban, South AfricaUniv KwaZulu Natal, Sch Engn, Thermodynam Res Unit, ZA-4041 Durban, South Africa
Brijmohan, Nivaar
Moodley, Kuveneshan
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Univ KwaZulu Natal, Sch Engn, Thermodynam Res Unit, ZA-4041 Durban, South AfricaUniv KwaZulu Natal, Sch Engn, Thermodynam Res Unit, ZA-4041 Durban, South Africa
机构:
Univ Nacl Tucuman, Fac Ciencias Exactas & Tecnol, Dept Fis, RA-4000 San Miguel De Tucuman, ArgentinaUniv Nacl Tucuman, Fac Ciencias Exactas & Tecnol, Dept Fis, RA-4000 San Miguel De Tucuman, Argentina
Gramajo, Monica B.
Cases, Alicia M.
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Univ Nacl Tucuman, Fac Ciencias Exactas & Tecnol, Dept Fis, RA-4000 San Miguel De Tucuman, ArgentinaUniv Nacl Tucuman, Fac Ciencias Exactas & Tecnol, Dept Fis, RA-4000 San Miguel De Tucuman, Argentina