Prediction of true critical temperature of multi-component mixtures:Extending fast estimation methods

被引：14

作者：

Najafi, Hamidreza ^{[1
]}

Maghbooli, Babak ^{[1
]}

Sobati, Mohammad Amin ^{[2
]}

机构：

[1] Farayand Sabz Engn Co, Tehran, Iran

[2] Iran Univ Sci & Technol, Sch Chem Engn, Tehran, Iran

来源：

FLUID PHASE EQUILIBRIA | 2015年 / 392卷

关键词：

Vapor-liquid critical temperature; Multi-component mixtures; Fast estimation methods; Binary interaction parameters; Excess critical temperature; VAPOR-LIQUID-EQUILIBRIUM; HFE+HFC BINARY-SYSTEMS; HEXANE PLUS METHANOL; CARBON-DIOXIDE; PHASE-BEHAVIOR; CRITICAL-POINTS; CRITICAL PARAMETERS; TERNARY MIXTURES; CRITICAL-LOCUS; ISOTHERMAL COMPRESSIBILITY;

D O I：

10.1016/j.fluid.2015.02.001

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Various fast estimation methods such as Chueh-Prausnitz, Grieves-Thodos, modified Wilson, and Redlich-Kister are available for predicting vapor-liquid critical temperature of fluid mixtures. In order to use these methods for a multi-component mixture, interaction parameters are required for each binary set of components. In the present work, 4524 experimental data on true critical temperature of 571 binary mixtures were collected through comprehensive literature search. Based on this data set, the available fast estimation methods were extended and new interaction parameters for each binary set were introduced. In order to extend the applicability of these methods, new correlations were developed to estimate interaction parameters. Finally, the capability of different methods was evaluated for predicting true critical temperature of 68 different multi-component mixtures with 427 data points. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：104 / 126

页数：23

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