Clarification
Clarifier tanks and mechanisms to remove settleable floc solids or floatable floc material (dissolved air flotation) depending on the raw water characteristics.

Many clarifier designs are available to suit rectangular and circular tank installations, including appropriate sludge scraper and effluent draw-off mechanisms.

Clarifier designs available include:

> Conventional unhindered settling (circular or rectangular)
> Central flocculation chamber
> Tube settlers
> Static sludge blanket
> Pulse flow sludge blanket
> Solids recirculation

Sludge draw-off methods include:

> Chain and flight scraper
> Travelling bridge scraper
> Hopper bottom (gravity discharge)

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