Sour water stripping tower simulation
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For the simulation of the acid water stripping tower, I used Aspenplus software to model the pressurized side-stream stripping process in a single tower; the RadFrac module was employed for this purpose. Data such as the reflux ratio needs to be entered, but the problem is that what comes out of the top of the tower is gas. Could anyone please advise on how to handle this? Can the gas coming from the top of the tower be treated as distillate?
Take a close look at the distillation column module in the flowchart: it has a gas-phase outlet and a liquid-phase outlet, and the condensation method can be total condensation or partial condensation
The vapor phase at the top of the tower is collected as distillate. Since it’s stripping, by feeding the material at the first tray at the top of the tower, isn’t it possible to treat that feed as reflux?