Table 3. Sewage 3 electrochemically treated (3–sewage/electro); primary COD0 = 527 → final CODf = 305.
| Time (s) | TU (NTU) | Colour (mg/L) | SS (mg/L) | Ptotal (mg/L) | COD (mg/L) |
|---|---|---|---|---|---|
| 0 | 237 | 3160 | 470 | 16.6 | 527 |
| 300 | 165 | 2670 | 380 | ||
| 600 | 136 | 2350 | 320 | ||
| 900 | 113 | 2130 | 280 | ||
| 1200 | 96 | 1940 | 260 | ||
| 1500 | 70 | 1610 | 210 | ||
| 2400 | 39 | 1250 | 150 | ||
| 3600 | 24 | 650 | 70 | ||
| After 1800 s of sedimentation | 0 | 265 | 0 | 0.86 | 305 |