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Comparison of POME solutions before and after 6-hour electrocoagulation
| Properties/Test | Before EC | After EC |
|---|---|---|
| Color | Dark brown | Pale yellow |
| Turbidity | Opaque | Transparent (clear) |
| pH | 4.30 | 7.63 |
| FeCl3 test | Positive | Negative |
| COD | 36,800 ± 283 mgL−1 | 25,600 ± 354mgL−1 |
| BOD5 | 23,400 ± 848 mgL−1 | 14,400 ± 1272 mgL−1 |
