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Heterogeneous Azeotropic Disitillation


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#1 ErykFernandes

ErykFernandes

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Posted 29 December 2018 - 06:28 PM

Hello everyone,

 

I need to design a heterogeneous azeotropic distillation system to separate Ethyl Acrylate from a mixture with ethanol and water. The system consists in 2 columns with a decanter in the middle, the aqueous phase have a high water purity and goes to wwt, and the organic phase is split in 2 fractions, one goes back to the first column as a reflux and the other goes to the second column. With this system I can obtain a bottom stream from the second column with at least 95% of Ethyl Acrylate.

 

As a I don't have much experiece with those systems I'm using data from articles with the same system, but I don't know how to determine that the reflux ratio I'm using is above the minimum reflux. How can I calculate the minimum reflux or at least if the ratio I'm using it's possible? I really don't have much knowledge with this equipments, so a simple method or shortcut even with some associated error would be great.

 

Thank you






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