Table 1 Results of ADSW treatment by different flocculants.
Flocculants | Optimal dose(g/L) | Optimal pH | COD(mg/L) (RE) | Ammonia(mg/L) (RE) | TP(mg/L) (RE) |
---|---|---|---|---|---|
Blank | — | — | 1065 | 828 | 24 |
FeCl3 | 30 | 6.5 | 462.2 (56.6%) | 390.0 (52.9%) | 11.2 (53.5%) |
Al2(SO4)3 | 30 | 6.5 | 484.6 (54.5%) | 399.9 (51.7%) | 11.4 (52.4%) |
PAC | 15 | 7.5 | 270.5 (74.6%) | 179.7 (78.3%) | 3.8 (84.1%) |
EPS in this study | 0.02 | 7.5 | 317.4 (70.2%) | 194.6 (76.5%) | 4.1 (82.8%) |