Absorption column
Figure 1: Image of the absorption column with its energy flow
Table 1: Mass and energy balance around the absorption column
Object
Pure water
bioethanol
13
0.0211853
0.0265
Absorbed
water
0.51081
0.9986
Mass flow (kg/s)
Molar
fraction
(mixture)/water
Molar
fraction
(mixture)/
sucrose
Molar
fraction
(mixture)/glucose
Molar
fraction
(mixture)/ethanol
Molar
fraction
(mixture)/carbon
dioxide
Energy flow (kW)
0.5
1
0
0
0
0
0
0
0.00134
0.0478
0
0.9451
0.6638
0
0.024
5.8526E06
3.58E-06
-8026.76
-131.926
-8140.17
-210.999
Absorption column: price $45 000
20 stages
absorber
0.03211
0.2516
0.017
34.33