Vapor-Liquid Equilibria of Glycerol, 1,3-Propanediol, Glycerol plus Water, and Glycerol+1,3-Propanediol

Vapor–liquid equilibria of two compounds, glycerol (or 1,2,3-propanetriol) and 1,3-propanediol, and two mixtures, glycerol + water and glycerol + 1,3-propanediol, were determined using a static apparatus. The obtained pressure values range from 6 Pa to 45 kPa for the compounds and from (32 to 163) kPa for the mixtures. From the temperature dependence of the vapor pressures, the molar enthalpies of vaporization at the mean temperature of the experimental range were derived from the Clausius–Clapeyron equation. From these results the standard enthalpies of vaporization at T = 298.15 K were calculated. The experimental data of the mixtures were correlated using the nonrandom two-liquid (NRTL) model.

[1]  K. Shing,et al.  Infinite-dilution activity coefficients of water in TEG, PEG, glycerol and their mixtures in the temperature range 50 to 140 °C , 1989 .

[2]  D. Fang,et al.  Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis , 2011 .

[3]  Philippe Soucaille,et al.  Microbial Conversion of Glycerol to 1,3-Propanediol: Physiological Comparison of a Natural Producer, Clostridium butyricum VPI 3266, and an Engineered Strain, Clostridium acetobutylicum DG1(pSPD5) , 2006, Applied and Environmental Microbiology.

[4]  W. L. Badger,et al.  Vapor Pressures of Glycerol-Water and Glycerol-Water-Sodium Chloride Systems , 1925 .

[5]  J. F. Liebman,et al.  Heat capacity corrections to a standard state: a comparison of new and some literature methods for organic liquids and solids , 1993 .

[6]  Marcos L. Corazza,et al.  (Vapor + liquid) equilibrium for the binary systems {water + glycerol} and {ethanol + glycerol, ethyl stearate, and ethyl palmitate} at low pressures , 2011 .

[7]  G. Suppes,et al.  Vapor Pressures and Evaporation Studies of Sugars and Sugar Alcohols , 2008 .

[8]  Heiko K. Cammenga,et al.  Vapor pressure and evaporation coefficient of glycerol , 1977 .

[9]  M. R. D. Silva,et al.  Thermodynamic properties of glycerol enthalpies of combustion and vaporization and the heat capacity at 298.15 K. Enthalpies of solution in water at 288.15, 298.15, and 308.15 K , 1988 .

[10]  A. Richardson.  LXXIII.—Determinations of vapour-pressures of alcohols and organic acids, and the relations existing between the vapour-pressures of the alcohols and organic acids , 1886 .

[11]  I. Mokbel,et al.  Experimental Vapor Pressures of 2-Phenylethylamine, Benzylamine, Triethylamine, and cis-2,6-Dimethylpiperidine in the Range between 0.2 Pa and 75 kPa , 2009 .

[12]  Jacques Jose,et al.  Vapor–liquid equilibria of two binary mixtures: benzene+n-tetradecane and benzene+squalane , 1998 .

[13]  G. Chittenden.  Selective alkylation of glycerol: direct synthesis of 2-O-benzylglycerol and 2-O-methylglycerol , 1981 .

[14]  J. Prausnitz,et al.  LOCAL COMPOSITIONS IN THERMODYNAMIC EXCESS FUNCTIONS FOR LIQUID MIXTURES , 1968 .

[15]  H. Yamada,et al.  Ebulliometric Determination and Prediction of Vapor–Liquid Equilibria for Binary Mixtures of Ethanol and Ethyl Hexanoate , 2011 .

[16]  Martin C. Hawley,et al.  Conversion of Glycerol to 1,3-Propanediol via Selective Dehydroxylation , 2003 .

[17]  B. B. França,et al.  Liquid−Liquid Equilibria for Castor Oil Biodiesel + Glycerol + Alcohol† , 2009 .

[18]  D. F. Stedman.  The vapour equilibrium of aqueous glycerin solutions , 1928 .

[19]  B. Satyavathi,et al.  Experimental (vapour + liquid) equilibrium data of (methanol + water), (water + glycerol) and (methanol + glycerol) systems at atmospheric and sub-atmospheric pressures , 2010 .

[20]  S. Kikkawa,et al.  Measurement of Vapor–Liquid Equilibria for Binary Systems Using a Hold-Up Compensable Ebulliometer , 2007 .

[21]  David H. T. Chen,et al.  Isobaric vapor-liquid equilibriums for the systems glycerol-water and glycerol-water saturated with sodium chloride , 1970 .

[22]  D. R. Stull,et al.  Vapor Pressure of Pure Substances. Organic and Inorganic Compounds , 1947 .

[23]  Shin-ichi Sakai,et al.  Application of UNIFAC models for prediction of vapor–liquid and liquid–liquid equilibria relevant to separation and purification processes of crude biodiesel fuel , 2009 .

[24]  S. Verevkin.  Vapor Pressures and Enthalpies of Vaporization of a Series of the 1,3-Alkanediols , 2007 .

[25]  M. Gomes,et al.  Atmosphere/water partition of halocyclohexanes from vapour pressure and solubility data , 2008 .

[26]  António J. Queimada,et al.  Phase equilibria of glycerol containing systems and their description with the Cubic-Plus-Association (CPA) Equation of State , 2009 .