Revision and extension of the group contribution equation of state to new solvent groups and higher molecular weight alkanes

被引:34
作者
Espinosa, S [1 ]
Foco, GM [1 ]
Bermúdez, A [1 ]
Fornari, T [1 ]
机构
[1] UNS, CONICET, Planta Piloto Ingn Quim, PLAPIQUI, RA-8000 Bahia Blanca, Argentina
关键词
vapor-liquid equilibria; group contribution; equation of state; CO2; triacetin; hydrocarbons;
D O I
10.1016/S0378-3812(00)00371-X
中图分类号
O414.1 [热力学];
学科分类号
摘要
The group contribution equation of state GC-EOS model is revised and extended. Pure group and binary interaction parameters are reported for the following new groups: ether CH2O, ester CH2COO/CH3COO, chloro-aromatic ACCl and triglyceride (TG) (CH2COO)(2)CHCOO. Interaction parameters between these groups and paraffin, olefin and CO2 groups were estimated using experimental vapor-liquid equilibrium data on binary mixtures. The original aromatic-paraffinic, CO2-paraffinic and CO2-aromatic interaction parameters, have been revised in order to improve phase equilibrium predictions in aromatic and high molecular weight organic compounds. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:129 / 143
页数:15
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