4 replies to this topic

[kangas]

Hello, which package would you normally use in ASPEN for acids (e.g. H2SO4, acetic acid)

 

Thanks

[breizh]

Hi,

I would say NRTL .

take a look at this document .

http://sites.poli.us...rtyPackages.pdf

You may want to ask support from Aspen tech service 

Good luck 

Breizh 

[kangas]

Hi,

I would say NRTL .

take a look at this document .

http://sites.poli.us...rtyPackages.pdf

You may want to ask support from Aspen tech service 

Good luck 

Breizh 

Thanks a lot!

[Pilesar]

Concentration can make a difference on which thermo is best. Also, not all acids have similar behavior. Acetic acid forms dimers and hexamers so requires special consideration. 

 

[Correction: Acetic acid does form dimers, but it is hydroflouric acid that also forms hexamers.]

Edited by Pilesar, 09 November 2021 - 03:38 AM.

[breizh]

Hi,

you may take a look at these links :

H2SO4

https://inldigitalli...sti/3318169.pdf

 

CH3COOH 

https://www.research...ynamic-property

 

Good luck 

Breizh