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Actiflo® Water Clarifier

Actiflo® Water Clarifier

    Product Information

    A Veolia-patented high-performance water clarifier for municipal and industrial water treatment.


    • Drinking water
    • Municipal wastewater
    • Industrial Water and Wastewater

    ACTIFLO® is a high-rate and compact water clarification process in which raw water is flocculated with microsand and polymer in a Turbomix™ draft tube reactor. The microsand enhances the formation of robust flocs and acts as ballast, significantly increasing their settling velocities. The unique characteristics of the resulting microsand ballasted flocs allow for clarifier designs with very short hydraulic residence times, high rise rates and extremely compact system footprints that are up to 50 times smaller than other clarification processes of similar capacity.

    Actiflo® is ideal for drinking water and is particularly efficient in treating algal bloom, phosphorus removal, and reducing taste and odour associated with algae. With its very short hydraulic residence time and quick treatment within a few minutes, Actiflo® easily handles rapid raw water load and/or flow fluctuation.


    • High performance, small footprint
    • Ability to treat variations in influent quality
    • Reduced chemical consumption
    • Rapid start up

    Drinking Water Applications
    In drinking water treatment, the Actiflo process is appropriate for use in any application that would benefit from physical-chemical treatment including coagulation, flocculation and settling. It can be applied to groundwater, surface water, and spent filter backwash where either better performance or cost reduction is desired. The process consistently displays efficient removals from raw waters containing turbidity (high and low), color, TOC, algae, particle counts, cryptosporidium, iron, manganese, arsenic and other typical undesirable water contaminants.

    Wastewater Applications
    Municipalities of all sizes can use the Actiflo microsand ballasted clarification process to improve performance and/or reduce costs for primary and tertiary wastewater treatment. The Actiflo process can be applied whenever physical-chemical treatment including coagulation, flocculation and settling is used. The Actiflo process is ideal for storm water treatment including CSO’s, SSO’s, and other wet weather flows, due to its high performance, small footprint and extremely quick start up time. The Actiflo process consistently delivers efficient removal of TSS, BOD, Phosphorus, COD, metals, fecal coliform, and other wastewater contaminants.

    Industrial Applications
    The Actiflo Process is an ideal solution for the production and recycling of process water and pre-treatment of boiler feed or cooling tower make-up water.