Method of treating waste water

Gas and liquid contact apparatus – Contact devices – Rotating

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Details

261120, 2102422, 114352, B01F 304

Patent

active

057440727

ABSTRACT:
Apparatus and a process for use in aeration of a fluid. The apparatus includes a tubular drive shaft having a first end and a second end. The first end is coupled to a selectively rotatable power source. A compressed air source is in fluid communication with the tubular drive shaft. A first propeller having a propeller shaft is coupled to the second end of the tubular drive shaft. An atomizing mechanism is located proximate the propeller shaft. The apparatus may further include a second propeller having a propeller shaft positioned between the first propeller and the second end of the tubular drive shaft. In another mode of operation, the aerator may be used solely as a mixer in an nitrification/de-nitrification process without the introduction of outside air or compressed air.

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