Binary Nonideal VLE Calculator

Warning! This uses a very simple numerical procedure which can fail on dew point and split calculations with highly nonideal (A/R > 2500) mixtures with positive deviations, and with more moderate (A/R < -500) mixtures with negative deviations.
Enter data for 2 components:

List of 1atm Boiling Points, K : 1-parameter Margules A/R
(Separate with spaces or commas only)

Feed flows (2) or component 1 mol fraction (1 number): Pressure, atm or bar :

For a recovery, key component number: and fraction to vapour:

Temperature = (Estimated or calculated)
Clicking the button carries out one step of this iterative calculation. Keep clicking until solution stops changing.

Data area: Results area: