Amine Sweetening Unit with MDEA || Aspen HYSYS 

You can replace the two phase with three phase.

There is no such equipment like this im HYSYS. However, you can add flash vessel and column individually and the vapours of the flash vessel may enter in the column bottom to strip out the H2S.

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Yes, we can add H2S in feed as well. There will be no complications.

Packing also has theoretical number of stages. You have to input these stages. Moreover, you can define the geometry in column internals in more detailed manner.

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No, I am afraid not. I haven't prepared MDEA-PZ simulation yet.

Are you facing any issue? If the error message appears due to recycle, it shows the variable that causing the issue. Try following steps: 1. Remove the recycle block 2. Make sure your simulation is in active mode. 3. Analyze the both stream that has to be recycle. 4. Ensure no major difference in parameters between the streams 5. If the difference is large then the recycle will not converge, so try to reduce the difference by manipulating the parameters. If the issue persist write us: support@chemiopedia.com. Don't forget to subscribe.

HYSYS adds reaction automatically when Acid Gas property package is used. You can see all the reactions in the properties section > reaction set

Which version of HYSYS do you have?

@@Chemiopedia It is an older version, that is why I do not have it. Thanks any way

Shell in series means two exchangers are installed in series. The shell out of 1st will enter the shell of second. same for tube side fluid.

Thank you, I will

Both. HYSYS adds reaction automatically when Acid Gas property package is used. You can see all the reactions in the properties section > reaction set. Don't forget to subscribe!

In stripper, the feed enters at the top stage. 1_Main Tower means the feed is at the top most tray.

You can add different amines in your component list. After doing this, you will have the option add the concentration of both amines in the make up block. You can run the case study to evaluate the model performance by varying the additives composition in the amine solution. Don't forget to subscribe to Chemiopedia.

@@Chemiopedia thanks a lot

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SET ensures that the temperature of the stream is equal to the Lean MDEA stream entering the tower. The difference in the stream can cause convergence failure when you will install the recycle.

sounds like a gnossienne of Satie but?

The process for DEA is same however you have to adjust the operating parameters.

@@Chemiopedia would you by chance have the operating parameters? 😅

Not sure. But you can find easily on google.

If you need any help. You can write us on support@chemiopedia.com

You are welcome!