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Results from the second stage experiment using EC reactor.
| Condition | Time (minutes) | pH | Current (Ampere) | Initial Nickel (ppm) | Final Nickel (ppm) | Initial COD (ppm) | Final COD (ppm) | Eff Nickel removal (%) | Eff COD removal (%) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 50 | 8.5 | 21 | 70.524 | 0.21 | 536 | 313 | 99.70 | 41.60 |
| 2 | 70 | 8.5 | 21 | 79.963 | 0.401 | 554 | 296 | 99.50 | 46.57 |
| 3 | 50 | 6.5 | 20 | 164.6 | 9.21 | 561 | 283 | 94.40 | 49.55 |
| 4 | 70 | 6.5 | 20 | 47.95 | 0.862 | 564 | 354 | 98.20 | 37.23 |
Values shown in bold indicate the highest value obtained in the respective experiment.
