Environmental Engineering Reference
In-Depth Information
(a)
Desorption
of N
2
Adsorption
of CO
2
Desorption
of CO
2
Adsorption
of N
2
1.0
Adsorption at 40
o
C
Desorption at
T
Final
0.5
Working
capacity
N
2
0.0
0.0
0.2
0.4
0.6
0.8
Partial pressure (bar)
(b)
Adsorption
pressure
Desorption
pressure
6
Adsorption
at 40
o
C
5
Desorption
at
T
Final
4
3
Working
capacity
2
1
N
2
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Partial pressure (bar)
(c)
Adsorption
pressure
Desorption
pressure
Adsorption
at 40
o
C
Desorption
at
T
Final
5
Working
capacity
1
N
2
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Partial pressure (bar)
Figure 6.4.1
Adsorption in different materials
Adsorption isotherms give the loading in the zeolite as a function of the partial pressure
of CO
2
(green or purple) or N
2
(orange). Adsorption is set by the fl ue gas conditions.
(
Continued
)
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