VLE-Calc - Calculator of vapor-liquid and liquid-liquid phase equilibria hungarian
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VLE - Calc as an on-line DATABASE


Pure compound physical properties
Search for physical properties and phase change data of water and organic compounds.
  • molecular weight
  • liquid density
  • molar volume
  • melting point
  • boiling point
  • critical temperature
  • critical pressure
  • critical molar volume
  • specific heat of liquid
  • heat of vaporization
  • Antoine constants
Show compound list
Azeotrope data
Search for azeotrope data of any binary or ternary combinations of the solvents mentioned above (azeotropic boiling point and composition at custom given pressure).



VLE - Calc as an on-line CALCULATOR


VLE diagram drawing
Calculate/predict vapor-liquid equilibrium data.
  • custom selectable binary/ternary mixtures, in ANY combination
  • custom selectable pressure/temperature
  • phase diagram drawing: plot vapor pressure versus temperature curve (p-T), bubble point/dew point curves of a mixture (x,y-T or x,y-p), and triangle diagram

Distillation calculator
Perform model calculations on batch distillation or continuous distillation process (flash).
  • predict product compositions (distillate and residue)
  • predict boiling temperature
  • custom selectable binary/ternary mixtures, in ANY combination
  • custom selectable pressure



LLE diagram drawing
Calculate/predict miscibility/solubility data of organic solvents.
  • custom selectable binary/ternary mixtures, in ANY combination
  • custom selectable temperature
  • phase diagram drawing: plot equilibral miscibility phase curve of immiscible liquids, calculate solubility data in the function of temperature (x-T and triangle diagrams)




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    drawing of distillation towers, 'chemical plant'



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