Application of the extended real associated solution model to predict thermodynamic properties of n-alcohol + linear monoether mixtures

Tadeusz Hofman , C. Casanova

Abstract

Applicability of the extended real associated solution (ERAS) model to describe and predict properties of n-alcohol + unbranched monoether mixtures has been tested. Two versions of the model have been applied: its original, developed by Heintz [1] and a modified form, reported recently by Hofman and Casanova [2]. The basic assumption states that the purely physical contribution to the model should be meaningless. The model has three adjustable parameters which are common for all the mixtures considered. It has been applied to predict HE, VE and VLE data. The modified version gives acceptable results which for the non-volume properties are similar to those predicted by the Modified UNIFAC (Dortmund) using six parameters. The original ERAS model turned out to be inadequate.
Author Tadeusz Hofman (FC / DPC)
Tadeusz Hofman,,
- Department Of Physical Chemistry
, C. Casanova
C. Casanova,,
-
Journal seriesFluid Phase Equilibria, ISSN 0378-3812
Issue year1997
Vol133
No1–2
Pages193-211
Keywords in EnglishAssociation, Equation of state, Excess functions, Mixtures, THEORY
ASJC Classification1606 Physical and Theoretical Chemistry; 3100 General Physics and Astronomy; 1500 General Chemical Engineering
DOIDOI:10.1016/S0378-3812(97)00026-5
URL http://www.sciencedirect.com/science/article/pii/S0378381297000265
Languageen angielski
Score (nominal)35
Publication indicators WoS Citations = 5; Scopus SNIP (Source Normalised Impact per Paper): 1999 = 0.887; WoS Impact Factor: 2006 = 1.68 (2) - 2007=1.621 (5)
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