Geoscience Reference
In-Depth Information
Solubility limit (g/l)
T
= 400
°
C
70
Na
2
CO
3
(l M)
65
60
NaHO(l M)
55
50
45
40
35
30
25
1000
100
1500
150
2000
200
2500
250
3000
300
3500
350
bar
MPa
Figure 5.10 Solubility limit comparison between NaOH (1 M) and Na
2
CO
3
(1 M) versus
pressure at 400
C
[46]
.
Ln (solubility limit)
4.2
Na
2
CO
3
(lM)
NaOH(l M)
3.7
T
= 400
°
C
3.2
2.5
3.0
3.3
4.0
4.5
5.0
5.5
6.0
6.5
10,000/P
7.0
Figure 5.11 Log solubility (S
1
) in NaOH (1 M) and in Na
2
CO
3
(1 M) versus 1/P
[46]
.
