A prediction algorithm for homogeneous and heterogeneous azeotropes by parameter-free models

NCUIR > Engineering College > National Central University Department of Chemical & Materials Engineering > journal & Dissertation > Item 987654321/26454

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26454

Title:	A prediction algorithm for homogeneous and heterogeneous azeotropes by parameter-free models
Authors:	Lin,CF;Lee,LS
Contributors:	化學工程與材料工程學系
Keywords:	MULTICOMPONENT MIXTURES;LIQUID-EQUILIBRIA;COEFFICIENTS;EQUATION;SYSTEMS
Date:	1999
Issue Date:	2010-06-29 17:28:26 (UTC+8)
Publisher:	中央大學
Abstract:	In this study, an algorithm extended from Lee et al. (1996) was proposed and a software program was developed for determining the possible homogeneous and heterogeneous azeotropes of binary and ternary mixtures. The mathematical techniques of Newton-Raphson, and pseudo-arclength continuation and the concept of homotopy were used to accomplish the mathematical computations. The present study observed that the UNIFAC model is most suitable for predicting azeotropic temperature and composition among four tested models. The average absolute deviations (AAD) of azeotropic temperature and composition for 60 binary mixtures given by Horsley (1973) were 0.88 degrees C and 0.0219, respectively by the UNIFAC model. It is interesting to observe that many homogeneous azeotropes in Horsley data book (1973) appeared to be heterogeneous in this study. In addition to the computation results, the flow diagram and description of this computer program were given in Appendix.
Relation:	JOURNAL OF THE CHINESE INSTITUTE OF CHEMICAL ENGINEERS
Appears in Collections:	[National Central University Department of Chemical & Materials Engineering] journal & Dissertation

Files in This Item:

File	Description	Size	Format
index.html		0Kb	HTML	406	View/Open

社群 sharing