Patent ID: 8597514

Claim:
A water treatment unit for treating water, the treatment unit comprising: a generally vertical riser having a lower end and an upper end, at least one inlet opening adjacent the lower end, and at least one outlet opening adjacent the upper end, a chamber surrounding the riser upper end the chamber having a base, a sidewall extending upward from the base, and a top, the chamber having at least one water outlet in a lower portion of the chamber, and an air inlet in an upper portion of the chamber, and a motor coupled to the chamber top, a shaft coupled to the motor extending downward from the motor in general axial alignment within the riser, and at least one propeller coupled to the shaft to move water up the riser into the chamber, operable to mix the water with air flowing inward through the air inlet, the mixed air and water creating a head within the chamber forcing water out through the water outlet.