Hi everyone,

I am determining the Valve tray performance diagram for Deethanizer column.

In several books such as: Distillation Design (Kister), Perry's Handbook,... I can't find equations to define constraint lines (Entrainment, Weep, Dump,...).

And I saw everything I need in "Verfahrenstechnische Berechnungsmethoden", Vol 2. Anyone has this book in English? Can everyone share this one (in German or in English) to me? Thanks very much!!!