Influence of typical dissolved substances on kinetics of the DCF degradation by Nb/BDD electrolysis
| pH . | Typical dissolved substance . | Concentration . | Kinetic constant (min−1) . | Goodness of kinetic fit (R2) . | Removal rate (%) . |
|---|---|---|---|---|---|
| 7 | – | – | 0.0429 | 0.9688 | 73.0 |
| 7 | Cl− | 1 mmol L−1 | 0.1566 | 0.9593 | 100 |
| 7 | Cl− | 2 mmol L−1 | 0.2446 | 0.9738 | 100 |
| 8 | – | – | 0.0507 | 0.9825 | 77.7 |
| 8 | HCO3− | 0.1 mmol L−1 | 0.0312 | 0.9850 | 59.6 |
| 8 | HCO3− | 1 mmol L−1 | 0.0161 | 0.9973 | 38.9 |
| 8 | HCO3− | 5 mmol L−1 | 0.0190 | 0.9908 | 42.1 |
| 8 | HA | 0.1 mg L−1 | 0.0330 | 0.9849 | 61.7 |
| 8 | HA | 1 mg L−1 | 0.0187 | 0.9978 | 42.2 |
| 8 | HA | 5 mg L−1 | 0.0170 | 0.9910 | 38.0 |
| pH . | Typical dissolved substance . | Concentration . | Kinetic constant (min−1) . | Goodness of kinetic fit (R2) . | Removal rate (%) . |
|---|---|---|---|---|---|
| 7 | – | – | 0.0429 | 0.9688 | 73.0 |
| 7 | Cl− | 1 mmol L−1 | 0.1566 | 0.9593 | 100 |
| 7 | Cl− | 2 mmol L−1 | 0.2446 | 0.9738 | 100 |
| 8 | – | – | 0.0507 | 0.9825 | 77.7 |
| 8 | HCO3− | 0.1 mmol L−1 | 0.0312 | 0.9850 | 59.6 |
| 8 | HCO3− | 1 mmol L−1 | 0.0161 | 0.9973 | 38.9 |
| 8 | HCO3− | 5 mmol L−1 | 0.0190 | 0.9908 | 42.1 |
| 8 | HA | 0.1 mg L−1 | 0.0330 | 0.9849 | 61.7 |
| 8 | HA | 1 mg L−1 | 0.0187 | 0.9978 | 42.2 |
| 8 | HA | 5 mg L−1 | 0.0170 | 0.9910 | 38.0 |