Topological and thermodynamic classification of ternary vapor-liquid equilibria.
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概要
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Vapor-liquid equilibrium relationships in ternary systems can be classified according to the number and types of azeotropes in them. All combinations of azeotropes however cannot exist because of thermodynamic and topological constraints. Two necessary conditions for the existence of the combinations are presented in this paper. One is the thermodynamic condition expressed as the relation among boiling temperatures of the pure materials and azeotropes in the system. The other is the topological one given in terms of indices of singular points in the vector field composed of residue curves which represents topological properties of the vapor-liquid equilibrium relationship. By use of these conditions ternary systems are classified into 113 groups.
- 公益社団法人 化学工学会の論文
著者
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NISHIMURA HAJIME
Department of Chemical Engineering, University of Tokyo
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Nishimura Hajime
Department Of Chemical Engineering Faculty Of Engineering University Of Tokyo
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MATSUYAMA Hisayoshi
Department of Chemical Engineering, Faculty of Engineering, Kyushu University
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