MT MORGAN OPEN CUT PIT WATER QUALITY MODELLING stage 2 ● 20
Table 4-1 Results of mixing of OCP water with final tailings at pH 9.6 with four mixing scenarios.
New Tailings (solution)
Scenario 1 (0.3)
Scenario 2 (0.61)
Scenario 3 (1)
Scenario 4 (2)
Analyte
Unit
OCP Water
pH
pH Unit
3.77
9.57
3.86
3.93
4.01
4.17
EC
µS/cm
15962
4000
10237
8954
7850
6235
TDS
mg/l
11,166
30
8596
6947
5598
3742
Mg
mg/l
2,553
100
1972
1612
1317
911
Na
mg/l
554
70
439
368
310
230
Sulfate
mg/l
16973
2000
13418
11219
9421
6946
Cl
mg/l
224
20
176
146
121
87
Hardness as CaCO3
mg/l
11,437
514
8988
7347
6001
4142
Fe
mg/l
362.8
59
291
246
210
159
Mn
mg/l
162.7
10
127
104
86
60
Zn
mg/l
46.17
9.57
37
32
28
22
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