| Catalyst | Chemical | Assisted activation method | Solid content | Dosage | Sludge type | CST（s） | CST reduction（%） | Ref |
|---|---|---|---|---|---|---|---|---|
| Fe2+ | PMS | / | TSS = 12.3 g/L | Fe2+ = 0.81 mmol/g VSS PMS = 0.9 mmol/g VSS | WAS | 201.8 | 90 | |
| / | TSS = 20.4 g/L | Fe2+ = 0.81 mmol/g VSS PMS = 0.9 mmol/g VSS | WAS | 49.1 | 45.67 | |||
| Chelator | TS = 25.6 g/L | Fe2+ = 0.6 mmol/g VS PMS = 0.9 mmol/g VS Chelator = 0.3 mmol/g VS | ADS | 130.8 | 88.3 | |||
| Chelator | TSS = 51.62 g/L | Fe2+ = 1.2 mmol/g VSS PMS = 1.0 mmol/g VSS Chelator = 0.4 mmol/g VSS | ADS | 599.9 | 60 | |||
| PDS | / | TSS = 11.9 g/L | Fe2+ = 1.5 mmol/g VSS PDS = 1.2 mmol/g VSS | WAS | 502.4 | 86.4 | ||
| / | TS = 26.2 g/L | Fe2+ = 2.0 mmol/g VS PDS = 1.6 mmol/g VS | WAS | 681.0 | 88.0 | |||
| / | TSS = 20.7 g/L | Fe2+ = 1.5 mmol/g VSS PDS = 1.2 mmol/g VSS | WAS | 573.4 | 94.2 | |||
| Chelator | TS = 20.14 g/L | Fe2+ = 0.6 mmol/g TS PDS = 0.4 mmol/g TS Chelator = 0.15 mmol/g TS | WAS | 836.6 | 96.4 | |||
| Chelator | TS = 19.9 g/L | Fe2+ = 0.3 mmol/g TS PDS = 0.6 mmol/g TS Chelator = 0.15 mmol/g TS | WAS | 720.4 | 61.5 | |||
| Skeleton | TSS = 35 g/L | Fe2+ = 23.5 mg/g DS PDS = 100 mg/g DS Skeleton = 300 mg/g DS | WAS | 182 | 84.6 | |||
| SF | / | VSS/TSS = 51.88% | Fe2+ = 1.79 mmol/L TSS SF = 1.43 mmol/L TSS | WAS | 139.7 | 68.9 | ||
| ZVI | PMS | / | TSS = 23.4 g/L | ZVI = 0.25 g/g TSS PMS = 0.1 g/g TSS | WAS | 48.6 | ~50 | |
| PDS | / | TS = 28.5 g/L | ZVI = 2 g/g TS PDS = 0.5 g/g TS | ADS | 174.7 | 90 | ||
| / | TS = 7.9 g/L | ZVI = 15 g/L PDS = 4 g/L | WAS | 20.5 | 50.2 | |||
| / | TSS = 15.2 g/L | ZVI = 2 g/g TSS PDS = 0.5 g/g TSS | ADS | 144.6 | 42.6 | |||
| / | TS = 26.1 g/L | ZVI = 0.05 g/g TS PDS = 0.1 g/g TS | ADS | 119.1 | ~80 | |||
| Chelator | TSS = 56.37 g/L | ZVI = 0.5 mmol/g TSS PDS = 0.5 mmol/g TSS Chelator = 0.05 mmol/g TSS | WAS | 254.9 | 51.7 | |||
| SF | / | TS = 23.6 g/L | ZVI = 0.9 mmol/g VS SF = 1.2 mmol/g VS | ADS | 120.9 | 81.7 |
