Wastewater treatment system and method of using same

Details Wastewater treatment system and method of using same Wastewater treatment system and method of using same

2009-07-14

2010-10-19

Bushey, Scott (Department: 1797)

Gas and liquid contact apparatus

Contact devices

Rotating

C261S088000, C261S091000, C261S093000

Reexamination Certificate

active

07815172

ABSTRACT:
A wastewater treatment system, comprising a tank and an elongate draft tube. The tank comprises a bottom and at least one partition wall extending short of a tank curved turning wall to form at least a pair of channels for movement of a volume of a liquid. The elongate draft tube is at least partially submerged beneath the liquid and is rotated about its longitudinal axis for orbitally moving the liquid through the at least a pair of channels of the tank in a fixed direction. A process for treating wastewater is also provided.

REFERENCES:
patent: 2783088 (1957-02-01), Butler
patent: 3871581 (1975-03-01), Dively
patent: 3875279 (1975-04-01), Kaelin
patent: 7559538 (2009-07-01), Young
patent: 2005/0142011 (2005-06-01), Tormaschy et al.

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