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Isothermal Vapour—Liquid Equilibrium Data for the System Toluene—N-Methylpyrrolidone at 40 °C, 50 °C, and 60 °C

E. Graczová and J. Surový

Department of Chemical and Biochemical Engineering, Faculty of Chemical Technology, Slovak University of Technology, SK-812 37 Bratislava

 

Abstract: Sets of isothermal vapour-liquid equilibrium data are presented for the system toluene-N-methylpyrrolidone at 40°C, 50°C, and 60°C, measured by a static method. The binary parameters of equations for the concentration dependence of the excess Gibbs energy (NRTL, Wilson, van Laar equations, and the Redlich-Kister 4th-order expansion) were evaluated using a simple objective function based on the maximum likelihood method.

Full paper in Portable Document Format: 536a428.pdf

 

Chemical Papers 53 (6) 428–430 (1999)

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