Thermodynamics of mixtures containing a very strongly polar compound. Part I. Experimental phase equilibria (solid–liquid and liquid–liquid) for sulfolane + alkan-1-ols systems. Analysis of some mixtures including sulfolane in terms of disquac

2001 ◽  
Vol 3 (6) ◽  
pp. 1034-1042 ◽  
Author(s):  
Juan Antonio Gonzalez ◽  
Urszula Domanska
Keyword(s):  
Phase Equilibria ◽  
Systems Analysis ◽  
Experimental Phase Equilibria ◽  
Polar Compound ◽  
Experimental Phase ◽  
Thermodynamics Of Mixtures ◽  
Solid Liquid

Experimental Phase Equilibria Studies in the FeO-Fe2O3-CaO-SiO2 System in Air: Results for the Iron-Rich Region

2020 ◽  
Vol 51 (4) ◽  
pp. 1587-1602 ◽  
Author(s):  
Siyu Cheng ◽  
Maksym Shevchenko ◽  
Peter C. Hayes ◽  
Evgueni Jak
Keyword(s):  
Phase Equilibria ◽  
Experimental Phase Equilibria ◽  
Experimental Phase ◽  
Rich Region ◽  
Sio2 System

scholarly journals Supercritical Phase Equilibria Modeling of Glyceride Mixtures and Carbon Dioxide Using the Group Contribution EoS

2011 ◽  
Vol 2011 ◽  
pp. 1-9 ◽  
Author(s):  
Tiziana Fornari ◽  
Daniel Tenllado ◽  
Carlos Torres ◽  
Guillermo Reglero
Keyword(s):  
Carbon Dioxide ◽  
Phase Equilibria ◽  
Extraction Process ◽  
Group Contribution ◽  
Experimental Phase Equilibria ◽  
Extraction Column ◽  
Experimental Phase ◽  
Supercritical Phase ◽  
Binary Group ◽  
Pressure Phase

The Group Contribution Equation of State (GC-EoS) was extended to represent high-pressure phase equilibria behavior of mixtures containing mono-, di-, triglycerides, and carbon dioxide (CO2). For this purpose, the alcohol-ester and the alcohol-triglyceride binary group interaction parameters were regressed in this work, using experimental phase equilibria data from the literature. The capability of the parameters obtained was assessed by applying the GC-EoS model to simulate the supercritical CO2 fractionation of a complex glyceride mixture, which was produced by the ethanolysis of sunflower oil. Experimental data was obtained in a countercurrent packed extraction column at pressures ranging from 16 to 25 MPa and temperatures from 313 to 368 K. The GC-EoS model was applied in a completely predictive manner to simulate the phase equilibria behavior of the multistage separation process. The chemical analysis of the glyceride mixture allowed a significant simplification of its complex composition and thus, a simple and satisfactory simulation of the supercritical extraction process was achieved.

scholarly journals Experimental phase equilibria constraints on pre-eruptive storage conditions of the Soufriere Hills magma

1998 ◽  
Vol 25 (18) ◽  
pp. 3437-3440 ◽  
Author(s):  
J. Barclay ◽  
M. J. Rutherford ◽  
M. R. Carroll ◽  
M. D. Murphy ◽  
J. D. Devine ◽  
...  
Keyword(s):  
Phase Equilibria ◽  
Storage Conditions ◽  
Experimental Phase Equilibria ◽  
Experimental Phase ◽  
Soufriere Hills

Experimental Phase Equilibria in the PbOx-CaO System

2005 ◽  
Vol 81 (9) ◽  
pp. 2493-2496 ◽  
Author(s):  
Ryosuke O. Suzuki ◽  
Jun-ichi Nagata ◽  
Daniel Risold
Keyword(s):  
Phase Equilibria ◽  
Experimental Phase Equilibria ◽  
Experimental Phase

Thermodynamics of mixtures containing a very strongly polar compound. Part II. Solid-liquid equilibria for sulfolane + nitrile systems and characterization of the sulfolane-nitrile and sulfolane-1-alkyne interactions in terms of DISQUAC

2002 ◽  
Vol 80 (5) ◽  
pp. 476-482 ◽  
Author(s):  
Urszula Domanska ◽  
Juan Antonio Gonzalez
Keyword(s):  
Thermodynamic Properties ◽  
Phase Diagrams ◽  
Dynamic Method ◽  
Excess Enthalpies ◽  
Polar Compound ◽  
Group Contribution Model ◽  
Thermodynamics Of Mixtures ◽  
Complete Set ◽  
Solid Liquid

Equilibrium temperatures for solid–liquid transitions of mixtures formed by sulfolane and ethanenitrile, propanenitrile, butanenitrile, or pentanenitrile were measured by a dynamic method. The solid–liquid equilibria phase diagrams show positive deviations from Raoult's law, except for the system with ethanenitrile, which is nearly ideal. The sulfolane–nitrile and sulfolane–1-alkyne interactions have been characterized in terms of the DISQUAC group contribution model. DISQUAC properly represents a complete set of thermodynamic properties: solid–liquid equilibria, molar excess enthalpies, and natural logarithms of activity coefficients. DISQUAC predictions are valid over a wide temperature range.Key words: solid–liquid equilibria, thermodynamics, mixtures, interactions.

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