Geoscience Reference
In-Depth Information
C
V
C
T
Supercritical fluid
P
C
40
Solid
CP
30
Gas or vapor
20
Liquid
Saturated
vapor line
Liquid+vapor
1200
10
900
Saturated
liquid line-triple poin
t line
600
0
300
0.001
0.01
0.1
1
V
(kg/m
3
)
Figure 4.6 PVT surface of water: CP—critical point
[22]
.
Figure 4.7 Phase behavior
of binary systems for
water
organic compounds
[29]
.
Two phase
Homogeneous
3000
Ehane
Benzene
-D
2
O
Benzene
Naphthalene
o
-Xylene
Toluene
2000
Biphenyl
Cyclohexane
1000
n
-Buthane
CP
0
300
320
340
360
380
400
420
Temperature (
°
C)
of organic compound and water
[29]
. In the right-hand side of these curves, a
homogeneous phase is formed at any composition. The organic compounds and
water are not miscible at a low-temperature range but form a homogeneous phase
at higher temperatures, which is because of the reduced dielectric constant of water.
