LSER-based modeling vapor pressures of(solvent+salt) systems by application of Xiang-Tan equation  

应用Xiang-Tan方程的LSER模型蒸汽压(溶剂+盐)体系（英文）

作　　者：Aynur Senol 

机构地区：[1]Department of Chemical Engineering,Faculty of Engineering,Istanbul University

出　　处：《Chinese Journal of Chemical Engineering》2015年第8期1374-1383,共10页中国化学工程学报（英文版）

基　　金：the Research Fund of Istanbul University for the technical support of this study.Project number 33167

摘　　要：The study deals with modeling the vapor pressures of(solvent + salt) systems depending on the linear solvation energy relation(LSER) principles. The LSER-based vapor pressure model clarifies the simultaneous impact of the vapor pressure of a pure solvent estimated by the Xiang-Tan equation, the solubility and solvatochromic parameters of the solvent and the physical properties of the ionic salt. It has been performed independently two structural forms of the generalized solvation model, i.e. the unified solvation model with the integrated properties(USMIP) containing nine physical descriptors and the reduced property-basis solvation model. The vapor pressure data of fourteen(solvent + salt) systems have been processed to analyze statistically the reliability of existing models in terms of a log-ratio objective function. The proposed vapor pressure approaches reproduce the observed performance relatively accurately, yielding the overall design factors of 1.0643 and1.0702 for the integrated property-basis and reduced property-basis solvation models.The study deals with modeling the vapor pressures of（solvent ＋ salt） systems depending on the linear solvation energy relation（LSER） principles. The LSER-based vapor pressure model clarifies the simultaneous impact of the vapor pressure of a pure solvent estimated by the Xiang-Tan equation, the solubility and solvatochromic parameters of the solvent and the physical properties of the ionic salt. It has been performed independently two structural forms of the generalized solvation model, i.e. the unified solvation model with the integrated properties（USMIP） containing nine physical descriptors and the reduced property-basis solvation model. The vapor pressure data of fourteen（solvent ＋ salt） systems have been processed to analyze statistically the reliability of existing models in terms of a log-ratio objective function. The proposed vapor pressure approaches reproduce the observed performance relatively accurately, yielding the overall design factors of 1.0643 and1.0702 for the integrated property-basis and reduced property-basis solvation models.

关 键 词：Vapor pressure Salt effect Modeling LSER Statistical analysis 

分 类 号：TQ02[化学工程]