Vapor-liquid equilibria of the binary systems (cyclohexanone+2-heptanone) and (cyclohexanone plus hexanal) at different temperatures

被引：1

作者：

Rubio, Jorge ^{[1
]}

Moreau, Alejandro ^{[1
]}

Segovia, Jose J. ^{[1
]}

Villamanan, Miguel A. ^{[1
]}

Carmen Martin, M. ^{[1
]}

机构：

[1] Univ Valladolid, Res Inst Bioecon, Escuela Ingn Ind, BioEcoUVa,TERMOCAL Res Grp, Paseo Cauce 59, Valladolid 47011, Spain

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2020年 / 303卷

关键词：

VIE; Cyclohexanone; 2-Heptanone; Hexanal; Azeotrope; 298.15; K; PRESSURE DATA; MIXTURES; THERMODYNAMICS; EXPRESSION; VISCOSITY; DENSITY; ENERGY;

D O I：

10.1016/j.molliq.2019.112404

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Isothermal VLE data for (cydohexanone 2-heptanone) and (cyclohexanone + hexanal) mixtures are reported at T= (313.15, 333.15, 353.15, 393.15) K, which were measured using a static technique. Equilibrium properties are measured directly, and their expanded uncertainties (k = 2) are: injected volume 0.06 mL, temperature 20 mK, and total pressure 0.1%. The non-ideality of the vapor phase was taken into account using the virial equation of state. VLE data were correlated using Margules, Wilson, NRTL and UNIQUAC equations obtaining good results. The binary mixture (cydohexanone + 2-heptanone) presents a maximum pressure azeotrope which is broken at 393.15 K. (C) 2019 Published by Elsevier B.V.

引用

页数：9

共 29 条

[1]

ABBOTT MM, 1975, AICHE J, V21, P62, DOI 10.1002/aic.690210107

[2] STATISTICAL THERMODYNAMICS OF LIQUID-MIXTURES - NEW EXPRESSION FOR EXCESS GIBBS ENERGY OF PARTLY OR COMPLETELY MISCIBLE SYSTEMS [J].