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US 2014/0190897 A1Published application
Enhanced separation of nuisance materials from wastewater
OwnerGeorge E. Wilsoninventor
Life of this patent
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Abstract
According to one implementation, a method of treating wastewater includes introducing air bubbles having a predetermined size into raw influent, allowing the air bubbles time to bind with grease particles in the influent and to rise, and collecting the grease particles bound with the air bubbles on an upper surface of the influent.
Claims20
A method of treating wastewater, comprising:
- introducing air bubbles having a predetermined size into raw influent;
- allowing the air bubbles time to bind with grease particles in the influent and to rise;
- and
- collecting the grease particles bound with air bubbles on an open upper surface of the influent.
1 more element
A removal stage configured to remove at least one nuisance material from wastewater, comprising:
- a tank sized to receive an inflow of influent;
- at least one injector positioned at a bottom of the tank to inject a mixture of liquid and air in the form of air bubbles having a predetermined size into influent received in the tank, the air bubbles being configured to bind with at least grease particles in the influent and rise through the tank;
- a skimming device positioned to skim the grease particles bound with air bubbles from a top surface of the tank.
Dependencies are inferred from the claim text.