Research Article
Hydraulic Conductivity of Compacted Laterite Treated with Iron Ore Tailings
Table 5
Physical and chemical properties of the leachate.
| Parameter | Concentration |
| pH | 7.8 | Biochemical oxygen demand (BOD5) | 39.3 | Chemical oxygen demand (COD) | 136 | BOD5/COD (ratio) | 0.29 | Calcium, Ca (mg/L) | 375 | Lead, (mg/L) | 0.02 | Copper, Cu (mg/L) | 0.17 | Manganese, Mn (mg/L) | 29.0 | Zinc, Zn (mg/L) | 5.04 | Chromium, Cr (mg/L) | 0.05 | Nickel, Ni (mg/L) | 0.36 | Sodium, Na (mg/L) | 33 | Magnesium, Mg (mg/L) | 113 | Potassium, K (mg/L) | 120 | Iron, Fe (mg/L) | 80 | Cadmium, Cd (mg/L) | 0.02 |
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