Isobaric vapor-liquid equilibrium for systems containing sulfur compounds

被引：3

作者：

Guo, Benshuai ^{[1
,2
]}

Bai, Juan ^{[1
]}

Li, Yonghong ^{[1
,3
]}

Xia, Shuqian ^{[1
]}

Ma, Peisheng ^{[1
]}

机构：

[1] Tianjin Univ, Key Lab Green Chem Technol, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

[2] SINOPEC RINCIG, Res Inst Nanjing Chem Ind Grp, Nanjing 210048, Peoples R China

[3] Natl Engn Res Ctr Distillat Technol, Tianjin 300072, Peoples R China

来源：

FLUID PHASE EQUILIBRIA | 2013年 / 353卷

基金：

中国国家自然科学基金;

关键词：

Vapor-liquid equilibrium; Thiophene; Dilute solution; Multi-scale; Gasoline; 4; BINARY-SYSTEMS;

D O I：

10.1016/j.fluid.2013.05.019

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Isobaric vapor-liquid equilibrium (VLE) data for the binary systems of thiophenic compounds with three hydrocarbons in gasoline (2,3-dimethyl-1-butene, 2,3-dimethyl-2-butene and n-heptane) were measured in dilute solutions at 101.33 kPa with a modified Rose-Williams still. General Coulomb meter was used to analyze the compositions of the samples from the vapor-liquid equilibrium systems. The VLE data was compared with the calculated value by the Wilson model with the interaction parameters regressed over the entire concentration range. Results found that neither the activity coefficient model nor the Henry's model could describe the VLE behavior of the trace component in the dilute solution accurately. Thus a concept of multi-scale phase equilibrium was proposed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：87 / 92

页数：6

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