某些酮醇体系过量焓测定及其汽液平衡的推算

Determination of Excess Enthalpies and the Prediction of Vapor-Liquid Equilibria for Some Ketone Alcohol Systems

本工作对流动型微量热计测定过量焓的常见方法进行了较为有效的改进,并实测了四个酮醇体系在308.16K下的过量焓数据。又用本文作者以前提出的过量热力学性质计算模型和三参数NRTL模型对上述测定的三个体系进行了汽液平衡推算。最终表明:本文作者模型的计算结果明显优于NRTL模型的计算结果。

The conventional methods were improved to determine excess enthalpy data by microcalorimeter. The excess enthalpies of four binary systems containing ketone and alcohol were measured at 308.16K. The vapor-liquid equilibrium data of three systems predicted by the authors' model were much closer to the experimental data than those predicted by NRTL model.