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TU Berlin

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Publications

Following the links below you find a continuously updated publication list of our group. In order to have an overview of our current publications please visit d|b|t|a's page on ResearchGate: Fachgebiet Dynamik und Betrieb technischer Anlagen

A simultaneous method for two- and three-liquid–phase stability determination
Zitatschlüssel Minqiang
Autor M. Guo and S. Wang and J.-U. Repke and G. Wozny
Seiten 2571-2582
Jahr 2004
DOI 10.1002/aic.10256
Journal AIChE Journal
Jahrgang 50
Nummer 10
Zusammenfassung Abstract The methods for multiphase stability determination are generally based on Gibbs free energy minimization. However, a novel and efficient method is proposed in this work for one?, two?, and particularly three?liquid?phase stability identification in ternary mixtures. The method is designated the extended general line?length (EGL) method, which is based on our previous GL method. Both the EGL and GL methods are equation?solving approaches. The EGL method is easy to understand and can be performed fast. Only parameters of the thermodynamic models, such as UNIQUAC and NRTL, are required for the stability determination. The thermodynamic model applied does not influence the rapidness and validity of the EGL method. Graphical techniques and simultaneous computation are adopted in this method. Its applicability and efficiency are exemplified by three typical examples. For each example, three different phase configurations, consisting of one?, two?, and up to a three?liquid phase, are tested. The results show that the EGL method can be used for the determination of multiphase stability in all liquid?phase configurations of ternary systems. © 2004 American Institute of Chemical Engineers AIChE J, 50: 2571–2582, 2004
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