Pretreatment of Municipal Wastewater by Enhanced Chemical ...
Ferric chloride, and Poly aluminum chloride to obtain the required water quality (3-5 NTU) in turbidity in the discharges of the secondary treatment from a conventional wastewater treatment plant in Spain. The Poly aluminum chloride showed the best performance in wastewater natural pH and 50 mg/L of coagulant dosage (Delgado, et al., 2003). In 2005 another
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