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Comparison of the adsorption method, oxidation method and AOPs.
| Parameters | Adsorption removal efficiency (%) | Ozonation removal efficiency (%) | Advanced oxidation processes removal efficiency (%) | |
|---|---|---|---|---|
| Fenton | Persulfate oxidation | |||
| COD | 77.5 | 22.9 | 55.6 | 52.2 |
| 254 nm | 98.4 | 30.3 | 65.8 | 72.9 |
| 280 nm | 99.1 | 39.9 | 60.1 | 88.2 |
| 341 nm | 99.1 | 82.4 | 83.1 | 96.5 |
| 436 nm | 99.5 | 94.8 | 91.2 | 99.6 |
| 525 nm | 99.6 | 95.5 | 89.9 | 99.7 |
| 620 nm | 99.7 | 96.1 | 92.2 | 99.9 |
