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What is the purpose of three-phase flash calculation? Could you give an example?

2009-12-06View Original

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Recently, I’ve been seeing calculations related to three-phase flashing quite often. I hope those who are more experienced can give me some guidance – in what situations are three-phase flashing calculations mainly applicable? What is the purpose of the three flash calculations? For example, if substances A and B are partially miscible, how does one perform three-phase flash calculations? Thank you!
Reply #22009-12-06
If a low-boiling-point gas is dissolved in both the aqueous and organic phases, using Flash3 to simulate flashing allows the gas to evaporate, resulting in the separation of the two liquid phases. In practical simulations, I often use Flash3 instead of a decanter, as a decanter cannot simulate the gas phase. For example, the stratified reflux at the top of a heterogeneous azeotropic distillation column can be simulated using Flash3
Reply #32010-01-10
For the stratified reflux in a heterogeneous azeotropic distillation column, flash3 can be used. What can be simulated with this flash3 tool – the column or the heat exchanger?
Reply #42010-01-11
I am also considering this issue right now
Reply #52010-01-11
Let’s study together* Ah, let me know if you find out

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