Parameters | Effluent A | Effluent B | NESREAa |
Temperature ˚C | 24.4 | 25.9 | <40 |
pH | 6.65 | 6.81 | 6.5 - 9.0 |
DO (mg/L) | 3.5 | 1.8 | - |
Conductivity (µS/cm) | 333.5 | 526 | 500 |
Colour (PCU) | 2490 | 100 | 3 |
Appearance | Yellow | Whitish | Clear |
Alkalinity (mg/L) | 250 | 212.5 | 200 |
Chloride | 425.4 | 63.81 | 600 |
Turbidity NTU | 402 | 102 | 5 |
Total Dissolved Solid (mg/L) | 169 | 255 | 2000 |
Total Suspended Solid (mg/L) | 90.1 | 24.5 | 30 |
Nitrate (mg/L) | 225 | 148 | 20 |
Nitrite (mg/L) | 53.4 | 42.5 | - |
Sulphates (mg/L) | 450 | 0 | 200 |
Phosphate (mg/L) | 164 | 40.5 | 5 |
Salinity (ppt) | 0.16 | 0.24 | 0.6 |
Total Hardness (mg/L) | 600 | 600 | 150 |
Sodium (mg/L) | 120 | 100 | 200 |
Magnesium (mg/L) | 200 | 150 | 200 |
Hydrogen Sulphide (mg/L) | 0.1 | 0.15 | 0.2 |
TOC % | 4.67 | 4.51 | 10 |
COD (mg/L) | 80 | 100 | 80 |
BOD (mg/L) | 20 | 31 | 30 |
Oil and Grease (mg/L) | 17.1 | 11.2 | - |
Iron (mg/L) | 0.547 | 1.753 | 20 |
Lead (mg/L) | <0.001 | <0.001 | 0.05 |
Zinc (mg/L) | 0.199 | 0.594 | 1 |
Copper (mg/L) | 0.033 | 0.036 | 1.5 |
Cobalt (mg/L) | 0.724 | 0.533 | 0.5 |
Manganese (mg/L) | 0.144 | 0.226 | 5 |