Parameter

i

j

eNRTL-DE

eNRTL

AAD%(DE)

AAD%(LM)

AAD%(SA)

 

aij
aji
bij
bji

 

MEA
H2O
MEA
H2O

 

H2O
MEA
H2O
MEA

 

-1.4129
1.8534
-500.3571
87.2854

 

-1.6097
1.6489
-265.1962
125.0832

 

2.45
1.98
4.64
2.23

 

11.29
10.31
9.38
5.42

 

7.56
6.76
5.51
6.34

CO2 -H2O parameters were set to 10.064 and -3268.135 (Aspen Databank [32])
Table 2: eNRTL molecule-molecule parameters (t) using Differential Evolution Algorithm (a=0.2) t=a + b/T, where T is the temperature in K and s the standanrd deviation.