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Crude Column Simulation

Started by Clayton, Nov 03 2008 07:07 PM

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#1 Clayton

Clayton

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Posted 03 November 2008 - 07:07 PM

I'm getting a problem when trying to converge a crude column in HYSYS in that it says there are 2 liquid phases in my first bottom tray. I am using a refluxed absorber to model this. can anyone help me with this

#2 Zauberberg

Zauberberg

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Posted 03 November 2008 - 08:54 PM


It means you have some amount of condensed stripping steam at the bottom of CDU tower. You can leave it that way, or you can automatically adjust water draw -where necessary. Open the column window, "Parameters" tab, and under the option "2/3 Phase" select "Auto Water Draw". That should solve the problem.
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