| Al-Electrode | Fe-Electrode |
Current density (mA/cm2) | 20 | 20 |
Operating time (min) | 20 | 20 |
Initial pH | 6 | 7 |
Final pH | 6.8 | 7.8 |
COD removal (%) | 75 | 81 |
Color removal (%) | 98 | 98 |
Operating cost ($/m3) | 0.88 | 0.90 |