Review Article
Removal of Organic Matter from Landfill Leachate by Advanced Oxidation Processes: A Review
Table 6
Summary of the highest reported COD removal of some AOPs.
| AOPs | Optimal condition | Initial COD (mg/L) | COD removal efficiency (%) | Reference |
| O3 | 3 g/L | 3460 | 48 | [24] | O3/H2O2 | O3: 3.5 g/gCOD H2O2 g/g O3 | 2000 | 95 | [28] | O3/UV | O3: 3.5 g/gCODUV:1500 W | 26,000 | 63 | [36] | Fenton | pH: 2.5, [H2O2]: 0.15 M, H2O2/Fe2+ (molar ratio): 3 | 8894 | 89 | [48] | Photo-Fenton | Fe2+: 2000 mg/L, H2O2: 10000 mg/L | 3823.8 | 86 | [51] | Electro-Fenton | pH: 3, H2O2: 0.34 mol/L, Fe2+: 0.038 mol/L, I: 2 A, d = 2.1 cm | 5000 | 83 | [54] | Electrochemical oxidation | Current density: 116.0 mA/cm2 | 1855 | 73 | [61] |
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