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Sulfate Radicals: A New Tool for Enhancing Sludge Dewatering
Yue Lai, Chao Wang, Jie Zhang, Shungui Zhou, Changgeng Liu, Jie Ye
Progress in Chemistry, 2024, 36(5): 798-814.   DOI: 10.7536/PC230707

Item Process Chemical Dosage Micropollutant Initial concentration Removal rate（%） Ref
Aromatic compounds poly(3-hydroxybutyrate)/PMS
Fe2+/S2O82-		 PMS
PDS		 PMS = 3.1 × 10-4 M
PHB = 3.3 g/L
Fe2+ = 2.0 mmol/g VS
PDS = 1.6 mmol/g VS		 PAHs 3099 ± 32 ng/g dw
2692.0 μg/kg		 79 149
96
Toluene 89.8
Biochar/S2O82- PDS PDS = 10 mmol/L
Catalyst = 0.5 g/L		 Phenol 200 mg/L 57.8 150
Phenolic compounds Biochar/S2O82- PDS PDS = 10 mmol/L
Catalyst = 0.5 g/L		 Phenol 200 mg/L 57.8 150
Antibiotics MW(160 ℃)/S2O82- PDS PDS = 0.87 g/g TS Oxytetracycline 2 mg/g TS 98.9 151
Ciprofloxacin 98.3
Modified sludge bio-hydrochar/S2O82- PDS PDS = 5 mmol/L
Catalyst = 0.2 g/L		 Tetracycline 60 mg/L 99.72 152
Fe2+/75 ℃/S2O82- PDS PDS = 22.7 mM Oxytetracycline 100 mg/kg TS 95 125
Ciprofloxacin 84
Triclosan >99
Fenton sludge-Cu/PMS PMS PMS = 20 mg/L
Catalyst = 0.2 g/L		 Tetracycline 10 mg/L 85.53 153
Table 4 Degradation of micropollutant in sludge by different SR-AOPs
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