DAFRapide® techniques utilising reduced flocculation times, of the order of 5 minutes, together with flotation loading rates of up to 40 m/h, can be incorporated with conventional filtration systems operating at up to 20 m/h. Product quality of typically <1 NTU and <0.1 NTU after flotation and filtration respectively can be achieved.

Dissolved air flotation, DAF, drinking water treatment, filtration
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