An experimental investigation on flocculation/flotation for direct chemical treatment of municipal wastewater was carried out. It was demonstrated that flocculation units prior to flotation must be designed and operated differently to those used prior to sedimentation. Recommendations regarding design criteria both for the flocculation unit and the flotation unit are given.
Hallvard Ødegaard; Optimization of flocculation/flotation in chemical wastewater treatment. Water Sci Technol 1 February 1995; 31 (3-4): 73–82. doi: https://doi.org/10.2166/wst.1995.0518
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