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Very High Reboiler Heat Duty In Co2 Capture Process

co2 capture mea chemical absorbtion absorber stripper aspen plus

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#1 carnotkali


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Posted 17 February 2021 - 04:01 AM

Dear Team,

Hope everyone are doing great.

I recently encountering a critical problem that even Customer support is taking hard time to sort it out.


I am working on the CO2 capture with Absorber-Stripper simple configuration using MEA fluid in Aspen Plus platform.

For my design requirements of 85% Co2 Capture and 98% product mole purity, I am encountering around 10 GJ/tonCO2 (reboiler heat requirement).

I am trying to reduce, but if I disturb any of the parameter, the system is not converging.


Am I making any big blunder in calculation? Any inputs and suggestion for usual reboiler heat duty of 2-4 GJ/Ton of CO2 would be highly helpful.


Thanks in advance.

Edited by carnotkali, 17 February 2021 - 04:02 AM.

#2 breizh


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Posted 17 February 2021 - 05:14 AM


You may find pointers in the link attached , many more using your favorite search engine



Good luck


#3 pmoneysh


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Posted 18 February 2021 - 12:13 AM

Interesting!! what is the height of the tower?? what components go to the stripper??

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