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How To Select Reboiler And Condenser Operating Pressures For A Mdea Re

gas sweetenig mdea operating pressure

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#1 Alexis Azamar

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Posted 27 March 2024 - 10:54 PM

Hi, this is my first post. I hope I'm not breaking any rules here, but I would like to ask if anyone knows if there is a paper or bibliography that talks about how to select the proper operating pressures for the reboiler and condenser in the amine regenerator of an MDEA plant treating H2S and CO2 in natural gas. I've been searching and couldn't really find any useful info. Thanks for your advice and bibliography. This is for a school project.


Edited by Alexis Azamar, 27 March 2024 - 11:05 PM.


#2 shvet1

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Posted 27 March 2024 - 11:47 PM

Pressure should be as low as possible as MDEA is known degradeable at overheating. Threshold temperature depends on source of info as no comprehensive industry tests have been conducted. 

 

Actual pressure in condenser depends on a final point of a system where the sour gas is sent to. Actual pressure of reboiler depends on design of condenser and regenerator.

 

As per my experience with sour gas the recovery design governs.

 

You can study an extract from my archive, I recommend to start with ABPG's publications

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Edited by shvet1, 27 March 2024 - 11:52 PM.


#3 shvet1

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Posted 27 March 2024 - 11:55 PM

I hope I'm not breaking any rules here... This is for a school project.

 

2. Please be sure to post to the correct forums. Students should post in the student forum, while professionals should use the Industrial Professional and other forums.

 

https://www.cheresou...ting-questions/



#4 Alexis Azamar

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Posted 28 March 2024 - 12:43 AM

 

I hope I'm not breaking any rules here... This is for a school project.

 

2. Please be sure to post to the correct forums. Students should post in the student forum, while professionals should use the Industrial Professional and other forums.

 

https://www.cheresou...ting-questions/

 

 

Thank you very much for the advices and sorry for the mistake on forum. I will start using the student forum since now.   :D  :D



#5 breizh

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Posted 28 March 2024 - 01:31 AM

Hi,

additional papers.

Get a copy of Gas purification by Arthur Kohl and Richard Nielsen

Breizh

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