Experimental Measurements and Correlations Isobaric Vapor-Liquid Equilibria for Water ＋ Acetic Acid ＋ Sec-butyl Acetate at 101.3 kPa

Isobaric vapor-liquid equilibrium（VLE） data for acetic acid ＋ sec-butyl acetate and water ＋ acetic acid ＋ sec-butyl acetate systems were determined at 101.3 kPa using a modified Rose type. The nonideality of the vapor phase caused by the association of the acetic acid was corrected by the chemical t...

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Published inChinese journal of chemical engineering Vol. 21; no. 7; pp. 759 - 765
Main Author 李玲 贺勇 吴燕翔 邹文虎
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.2013
Subjects
Acetates
Acetic acid
Antoine方程
Correlation
Deviation
Interaction parameters
kPa
Liquids
non-random two liquids model
sec-butyl acetate
Vapor phases
Vapor pressure
vapor-liquid equilibrium
water
乙酸仲丁酯
实验测量
平衡水
汽液平衡数据
等压
醋酸
sec-butyl acetate
non-random two liquids model
water
vapor-liquid equilibrium
acetic acid
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ISSN1004-9541
2210-321X
DOI10.1016/S1004-9541(13)60534-0

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Summary:Isobaric vapor-liquid equilibrium（VLE） data for acetic acid ＋ sec-butyl acetate and water ＋ acetic acid ＋ sec-butyl acetate systems were determined at 101.3 kPa using a modified Rose type. The nonideality of the vapor phase caused by the association of the acetic acid was corrected by the chemical theory and Hayden-O＇Connell method. Thermodynamic consistency was tested for the binary VLE data. The experimental data were correlated successfully with the Non-Random Two Liquids （NRTL） model. The Root Mean Square Deviation （RMSD） of the ternary system was 0.0038. The saturation vapor pressure of sec-butyl acetate at 329 to 385 K was measured by means of two connected equilibrium cells. The vapor pressures of water and sec-butyl acetate were correlated with the Antoine equation. The binary interaction parameters and the ternary VLE data were obtained from this work.
Bibliography:LI Ling, HE Yong, WU Yanxiang, ZOU Wenhu（College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China）
sec-butyl acetate, acetic acid, water, vapor-liquid equilibrmm, non-random two llqmds model
Isobaric vapor-liquid equilibrium（VLE） data for acetic acid ＋ sec-butyl acetate and water ＋ acetic acid ＋ sec-butyl acetate systems were determined at 101.3 kPa using a modified Rose type. The nonideality of the vapor phase caused by the association of the acetic acid was corrected by the chemical theory and Hayden-O＇Connell method. Thermodynamic consistency was tested for the binary VLE data. The experimental data were correlated successfully with the Non-Random Two Liquids （NRTL） model. The Root Mean Square Deviation （RMSD） of the ternary system was 0.0038. The saturation vapor pressure of sec-butyl acetate at 329 to 385 K was measured by means of two connected equilibrium cells. The vapor pressures of water and sec-butyl acetate were correlated with the Antoine equation. The binary interaction parameters and the ternary VLE data were obtained from this work.
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ISSN:1004-9541
2210-321X
DOI:10.1016/S1004-9541(13)60534-0