| No |
Parameter |
Unit |
Range of concentrations in petroleum wastewater |
Average |
The standard discharge limit |
| 1 |
pH |
- |
6-8 |
7 |
6-9 |
| 2 |
Conductivity |
Micro S/cm |
2600-3950 |
3275 |
2000-2700 |
| 3 |
TDS |
ppm(mg/L) |
1200-1500 |
1350 |
1500-2000 |
| 4 |
TOC |
ppm (mg/l) |
220 - 265 |
243 |
50 - 75 |
| 5 |
COD |
ppm(mg/L) |
550-1600 |
1075 |
150-200 |
|