Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process

黄秀辉; 钟伟民; 彭昌军; 钱锋

doi:10.1016/S1004-9541(13)60455-3

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Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process

化工热力学 | Updated：2026-01-06

- Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process
- Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process
- 中国化学工程学报（英文版） 2013年21卷第2期页码：171-1761004-954160455-3
- Affiliations：
  
  2 State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology,Shanghai,China,200237
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60455-3
  中图分类号：
- 纸质出版：2013
- Accepted：
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黄秀辉, 钟伟民, 彭昌军, 等. Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process[J]. 中国化学工程学报（英文版）, 2013,21(2):171-1761004-954160455-3.

-Xylene+ (Acetic Acid, Methyl Acetate and
黄秀辉, 钟伟民, 彭昌军, 等. Isobaric Vapor-Liquid Equilibrium of Binary Systems: p-Xylene+ (Acetic Acid, Methyl Acetate and n-Propyl Acetate) and Methyl Acetate+n-Propyl Acetate in an Acetic Acid Dehydration Process[J]. 中国化学工程学报（英文版）, 2013,21(2):171-1761004-954160455-3. DOI： 10.1016/S1004-9541(13)60455-3.

-Xylene+ (Acetic Acid, Methyl Acetate and DOI： 10.1016/S1004-9541(13)60455-3.

摘要

Abstract

The vapor-liquid equilibrium data of four binary systems (acetic acid+p-xylene

methyl acetate+n-propyl acetate

n-propyl acetate+p-xylene and methyl acetate+p-xylene) are measured at 101.33 kPa with Ellis equilibrium still

and then both the NRTL and UNIQUAC models are used in combination with the HOC model for correlating and estimating the vapor-liquid equilibrium of these four binary systems. The estimated binary VLE results using correlated parameters agree well with the measured data except the methyl acetate+p-xylene system which easily causes bumping and liquid rushing out of the sampling tap due to their dramatically different boiling points. The correlation results by NRTL and UNIQUAC models have little difference on the average absolute deviations of temperature and composition of vapor phase

and the results by NRTL model are slightly better than those by UNIQUAC model except for the methyl acetate+n-propyl acetate system

for which the latter gives more accurate correlations.

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