Return of activated sludge

In control of activated sludge

The return of activated sludge from the final clarifier to the inlet of the aeration tank is an essential feature of the treatment process. It maintains the correct concentration of activated sludge in the aeration tank, ensuring that the required degree of treatment can be achieved within the designated time. Sulzer has a range of pumps that can be used successfully for the return of activated sludge. The submersible sewage pump type ABS XFP, submersible mixed flow pump type ABS AFLX and submersible propeller pump type ABS VUPX are all well suited to this application.

Wastewater treatment process - return of activated sludge

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