Isobaric Vapor-liquid Equilibria of Binary System of Maleic Anhydride and Dimethyl Phthalate  at 4.00, 8.00 and 12.00 kPa

Chem. J. Chinese Universities

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Isobaric Vapor-liquid Equilibria of Binary System of Maleic Anhydride and Dimethyl Phthalate at 4.00, 8.00 and 12.00 kPa

XU Wei, ZHU Rong-Jiao, LIU Zhi-Hua, TIAN Yi-Ling, LI Dan

Department of Chemistry, Institute of Science, Tianjin University, Tianjin 300072, China

Received:2005-12-26 Revised:1900-01-01 Online:2006-12-10 Published:2006-12-10
Contact: TIAN Yi-Ling

Abstract

Abstract: Isobaric vapor-liquid equilibrium(VLE) data for the binary system of maleic anhydride(MAN)+dimethyl phthalate(DMP) at 4.00, 8.00 and 12.00 kPa were determined by using the ebulliometric method. Also, saturated vapor pressures of pure DMP were measured and Antoine constants were obtained. The parameters of the NRTL model for the binary system were obtained by calculating the equilibrium compositions of the liquid and vapor phase with the experimental equilibrium temperatures, pressures and feed compositions. Moreover, VLE data for the binary system were predicted by use of the UNIFAC model. The predicted results were compared with those from the ebulliometric method, and showed a good agreement.

Key words: Maleic anhydride, Dimethyl phthalate, NRTL model, UNIFAC model, Vapor-liquid equilibrium

CLC Number:

O642.4

TrendMD:

XU Wei, ZHU Rong-Jiao, LIU Zhi-Hua, TIAN Yi-Ling, LI Dan. Isobaric Vapor-liquid Equilibria of Binary System of Maleic Anhydride and Dimethyl Phthalate at 4.00, 8.00 and 12.00 kPa[J]. Chem. J. Chinese Universities, doi: .

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Isobaric Vapor-liquid Equilibria of Binary System of Maleic Anhydride and Dimethyl Phthalate at 4.00, 8.00 and 12.00 kPa

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