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US 8,137,557 B2Granted
Wastewater treatment method
OwnerRichard Ladouceurinventor
Life of this patent
Estimating the term…
Abstract
A liquid aeration apparatus includes a vessel having sidewalls, a closed bottom end and, a liquid outlet being provided at or near the upper end. The sidewalls define a cross-sectional interior open area with a vertical depth. An air diffuser is positioned within the interior open area of the vessel. A liquid intake conduit is positioned with an inlet end located at or near the upper end of the vessel and an outlet located near the bottom end of the vessel.
Claims11
A wastewater treatment method comprising;
- (a) providing a vessel having sidewalls, a closed bottom and an upper end, the sidewalls defining a cross-sectional interior open area with a vertical depth, a liquid outlet being provided at or near the upper end;
- an air diffuser positioned within the interior open area;
- and a liquid intake conduit positioned with an inlet end located at or near the upper end of the vessel and an outlet located near the bottom end;
- (b) inserting the vessel into a body of liquid;
- (c) conveying liquid into the inlet end of the liquid intake conduit;
- (d) supplying air to air diffuser;
- and
- (e) discharging aerated liquid from the liquid outlet at or near the upper end of the vessel.
5 more elements
A method of wastewater treatment, comprising:
- providing a vessel having sidewalls, a closed bottom and an upper end, the sidewalls defining a cross-sectional interior open area with a vertical depth, a liquid outlet being provided at or near the upper end;
- an air diffuser positioned within the interior open area of the vessel;
- and a liquid intake conduit positioned with an inlet end located at or near the upper end of the vessel and an outlet end located near the bottom end;
- conveying liquid into the inlet end of the liquid intake conduit;
- supplying air to air diffuser;
- and
- discharging aerated liquid from the liquid outlet at or near the upper end of the vessel.
4 more elements
Dependencies are inferred from the claim text.