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Cryogenic Distillation To Produce Nitrogen Gas


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#1 Eng4324

Eng4324

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Posted 04 March 2024 - 04:18 PM

Hi,

I hope you are well. I am designing a double column cryogenic distillation unit to produce high purity nitrogen gas. My air composition includes nitrogen, oxygen, argon, carbon dioxide, water vapour and traces of THC’s. I am struggling with starting my simulation on Aspen plus as there is no option to model an adsorption column to remove the CO2, H2O and THC’s. How should I go about this? What units should I include in order to optimise my design making it cost effective and energy efficient. I also was wondering how I would go about sizing both distillation columns, please do let me know and if there are any resources which would help.



#2 breizh

breizh

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Posted 04 March 2024 - 06:02 PM

Hi,

Check for PSA (pressure swing adsorption).

more information using your favorite search engine, keys words  Air cryogenic distillation aspen +

Breizh



#3 Eng4324

Eng4324

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Posted 04 March 2024 - 06:43 PM

I am hoping to go with cryogenic distillation over PSA, how can I simulate an adsorber on Aspen plus






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