Table 1 Results of ADSW treatment by different flocculants.

From: Enhanced anaerobically digested swine wastewater treatment by the composite of polyaluminum chloride (PAC) and Bacillus megatherium G106 derived EPS

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%)