Study of Phase Equilibrium of NaBr + KBr + H2O and NaBr + MgBr2 + H2O at 313.15 K
Table 3
Mass Fraction Solubility of the ternary NaBr + MgBr2 + H2O system at temperature = 313.15 K and pressure = 0.1 .
Number
Composition of liquid phase,
Composition of wet residue phase,
Densities of liquid phase
Equilibrium solid phase
ρ/(g⋅cm−3)
1, H
51.43
0.00
ND
1.5296
NaBr⋅2H2O
2
45.58
4.98
59.07
2.67
1.5391
NaBr⋅2H2O
3
40.05
10.49
60.65
4.21
1.5496
NaBr⋅2H2O
4
34.65
15.45
57.84
6.50
1.5663
NaBr⋅2H2O
5
30.38
20.43
59.93
6.71
1.5843
NaBr⋅2H2O
6
23.82
26.87
56.46
9.52
1.6049
NaBr⋅2H2O
7
17.41
32.79
55.09
11.08
1.6242
NaBr⋅2H2O
8
10.80
38.47
53.04
12.91
1.6488
NaBr⋅2H2O
9
6.76
43.23
50.73
15.14
1.6723
NaBr⋅2H2O
10, Q
4.18
47.81
7.78
51.15
1.6846
NaBr⋅2H2O + MgBr2⋅6H2O
11
2.72
48.95
2.01
52.78
1.6795
MgBr2⋅6H2O
12
1.32
50.28
0.98
54.15
1.6705
MgBr2⋅6H2O
13, N
0.00
51.62
ND
ND
1.6584
MgBr2⋅6H2O
uncertainties K, , , , and . , mass fraction of NaBr; , mass fraction of MgBr2. , not determined. N, Q, and H have the same meaning as described in Figure 4.
