Fig. 8

Removal efficiency and outlet concentration of heavy metal and born in the coagulation–flocculation process (at pH = 7 and PAC = 300 mg/L, anionic + nonionic polymers = 1.5 mg/L)
Removal efficiency and outlet concentration of heavy metal and born in the coagulation–flocculation process (at pH = 7 and PAC = 300 mg/L, anionic + nonionic polymers = 1.5 mg/L)