Aspen Plus Dynamics_Acid gas removal example

Download as pdf : 
Products: Aspen Plus Dynamics 
Last Updated: 31-Mar-2021
Versions: 
Article ID: 000098297
Primary Subject: 
Problem Statement
This is an example demonstrating the modeling of acid gas removal by amine solvent in Aspen Plus Dynamics

Solution
Amine solvent is fed into absorber and used to absorb CO2 gas. Water loss and Amine solvent loss will be made up by following flowsheet constraint.

User-added image
  IF STREAMS("LEAN3").Fm>50000 then
    STREAMS("WATER").FmcR("H2O")=0;
  else
    STREAMS("WATER").FmcR("H2O")=50000-STREAMS("LEAN3").Fm;
  endif

STREAMS("AMINE").FmcR("MEA")=STREAMS("CLEANGAS").Fmcn("MEA")+STREAMS("ACIDGAS").Fmcn("MEA");
 

 
Keywords
Dynamics, Amine, Acid gas removal
Attachments
Filename Date Added
mea.bkp 31-Mar-2021
meadyn.appdf 31-Mar-2021
mea.dynf 31-Mar-2021