Fig. 3: The change pattern of pollutants along the way.

The change pattern of COD, NH4+-N, TN, and TP a in 24d and b in 98d. (The error bars in the figure are all equivalent).

The change pattern of COD, NH4+-N, TN, and TP a in 24d and b in 98d. (The error bars in the figure are all equivalent).