Vapor−Liquid Equilibrium Data at 343 K and Excess Molar Enthalpy Data at 298 K for the Binary Systems of Ethanol + 2,4,4-Trimethyl-1-pentene and 2-Propanol + 2,4,4-Trimethyl-1-pentene

Abstract

Isothermal vapor−liquid equilibrium data were measured for two binary systems, ethanol + 2,4,4-trimethyl-1-pentene and 2-propanol + 2,4,4-trimethyl-1-pentene, at 343 K. The measurements were made with a circulation still. The composition of liquid and condensed vapor phase was determined with a gas chromatograph. Excess molar enthalpy data were measured for the same binary systems at 298 K. Both systems indicate positive deviations from Raoult's law and exhibit azeotropic behavior.

Isobaric Vapor–Liquid Equilibrium of Furfural + γ-Valerolactone at 30 kPa and Isothermal Liquid–Liquid Equilibrium of Carbon Dioxide + γ-Valerolactone + Water at 298 K

“…98-01-1) was purchased from Sigma-Aldrich (purity > 99%), and prior to the experiments it was distilled in a high vacuum to reach purity of >99.87 wt %; water content was 0.03 wt % by Karl Fischer titration (KF). 28 with sampling was used for the measurements of the binary system of furfural and GVL. The circulation still consisted of a boiling chamber, equilibrium cell, condenser for the vapor phase and cooler for the liquid phase, sampling cells, and mixing cell.…”

“…A Yerazunis type circulation still with sampling was used for the measurements of the binary system of furfural and GVL. The circulation still consisted of a boiling chamber, equilibrium cell, condenser for the vapor phase and cooler for the liquid phase, sampling cells, and mixing cell.…”

Vapor−Liquid Equilibrium for Binary Systems 2-Propanol + 2-Ethoxy-2-methylpropane and Ethyl Ethanoate + 2-Ethoxy-2-methylpropane at 333 K and 2-Propanone + 2-Ethoxy-2-methylpropane at 323 K

“…The existing experimental setup was described previously. 4 To improve mixing in the sampling chambers and the mixing chamber of the condensed vapor phase and liquid phase, the DC electric motors (Graupner speed 400 motor) were equipped with magnetic stir bars, which deliver smooth and consecutive stirring action in the chambers. This modification of the apparatus is illustrated in Figure 1.…”

Phase equilibrium measurements for systems containing propanenitrile with tert-butyl ethyl ether and C4-hydrocarbons

“…The schematic picture of the experimental setup is presented by Sapei et al [10]. The principle of the experimental method is described in detail by Uusi-Kyyny et al [9] and Pokki et al [11]. Approximately 80 ml of the reagent had to circulate in the apparatus at all times.…”