IMPROVING PREDICTION OF SALT EFFECT ON VLE OF ISOPROPYL ALCOHOL-H2O-SALT AND METHANOL-H2O-SALT SYSTEMS WITH PREFERENTIAL ASSOCIATION

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Title:	IMPROVING PREDICTION OF SALT EFFECT ON VLE OF ISOPROPYL ALCOHOL-H2O-SALT AND METHANOL-H2O-SALT SYSTEMS WITH PREFERENTIAL ASSOCIATION
Authors:	LEE,LS;TSAO,YZ;YANG,BLM
Contributors:	化學工程與材料工程學系
Keywords:	VAPOR-LIQUID-EQUILIBRIUM;SOLVENT
Date:	1991
Issue Date:	2010-06-29 17:35:54 (UTC+8)
Publisher:	中央大學
Abstract:	When a salt is added to an azeotropic mixture, the azeotropic composition tends to shift or even disappear, due to salt-in and salt-out effects. Models from the literature are applied to calculate the vapor-liquid equilibrium of systems of isopropyl alcohol H2O-salt, and methanol H2O-salt. Schmitt and Vogelpohl's model (1982) gives the best results. With the concept of preferential association, an improvement can be accomplished through the modified distribution factor of the salt associating with components of the mixture for the systems mentioned above. Owing to the lack of solubility data of the salt in the individual components of the azeotropic mixture, the generality of this modification has not yet been demonstrated.
Relation:	CANADIAN JOURNAL OF CHEMICAL ENGINEERING
Appears in Collections:	[National Central University Department of Chemical & Materials Engineering] journal & Dissertation

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