VLE-Calc.com
Vapor-Liquid Equilibrium Calculator



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Pure compound properties
VLE-diagram
Azeotropic data
LLE-diagram
Distillation calculation
About
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VLE-Calc.com has been renewed − phase diagrams and distillation calculation

After 5 years of development a completely rewritten and redesigned program is released. More materials and more types of charts are built-in, and an easier-to-use interface (which is more mobile-friendly) has been formed. All the details of changes can be found in the version history section.

Main applications of vapor-liquid equilibrium calculations

Pure compound properties

Boiling point, heat of vaporization, heat capacity, vapor pressure, critical data, e.t.c.
* NEW SUBSTANCES *  amines, heterocycles, gases (supercritical components!)
substances

VLE-diagram


Vapor pressure or boiling temperature in function of mixture composition. Binary or ternary mixtures.

* Supercritical components are handled from now! (with PSRK- EOS)
* Residue curve map

Azeotropic data


Search for azeotrope data of any binary or ternary mixture (azeotropic boiling point or vapor pressure, and the azeotropic composition).

azeotrope

Distillation calculation


Model calculations on batch distillation or continuous distillation process (flash).
distillation curves

About


Documentation, F.A.Q., version history, references, privacy policy

documentation

Other phase equilibria and process modeling

Solubility of solids


Calculation of solubility of organic solids in pure or mixed solvents. Generation of solubility tables and charts, diagrams.
solid solubility

Liquid miscibility


LLE model calculations, phase diagrams of immiscible or partially miscible organic solvents.

* More advanced LLE-algorithm: detects metastable zones, avoids false tie lines, and detects three-phase regions!

Process flow diagram


Calculates material flow and draws flowsheet of chemical batch processes using process simulation.
material flow diagram
Link directory in phase equilibria and process modeling topics
More links to useful databases and calculators

links


VLE-Calc.com is a free application providing phase equilibrium data, phase diagrams, and model calculations on different kinds of distillation.

     The diagrams are drawn by Plotly JavaScript Open Source Graphing Library     
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