Water/hydrocarbon solubility

Simulate chemical processes using advanced thermodynamic models

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Water/hydrocarbon solubility

Forum: Help (Classic UI)

Creator: Kevin Milla

Created: 2016-04-07

Updated: 2016-04-30

Kevin Milla - 2016-04-07

Hello,

I would like to know if it possible to select the water/hydrocarbon solubility (miscible/immiscible) for some property packages in DWSIM. I cannot see the option anywhere and I think it would solve my problems in the absorber and mixers.

Thank you very much in advance.

Regards,
Kevin

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Gregor Reichert - 2016-04-30

Hi Kevin,
there is no such option!
If you want to calculate the solubility of hydrocarbons you need to select a flash algorithm and a property package beeing capable to calculate a VLLE equilibrium.
For instance you can use NRTL with "Nested Loops (VLLE)". If your components are missing interaction parameters in the database you either can estimate them with a group contribution model like "Modified UNIFAC (NIST)", or you may do a regression from experimental data an save them to a user interaction parameter database.

I hope that will help you?

Gregor

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