Patent ID: 11883764
Assignee: EVOQUA WATER TECHNOLOGIES LLC
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 14:
15. A method of retrofitting a clarifier comprising a center shaft positioned upright in the clarifier, the method comprising:
providing a manifold having an inlet and an outlet;
providing an upper header constructed and arranged to extend radially from the center shaft comprising a conduit having a plurality of orifices and an outlet fluidly connectable to the manifold inlet, the upper header being configured to be positioned within a disperse sludge zone of the clarifier, the upper header being constructed and arranged to be positionable at an adjustable height along the center shaft;
providing a controller configured to direct the upper header along the center shaft;
providing a drive mechanism configured to rotate the upper header about a center axis of the clarifier; and
providing a wasting pipe having an inlet and an outlet fluidly connectable to a waste conduit, the manifold outlet being fluidly connectable to the wasting pipe inlet.