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US 2009/0283472 A1Published application
Wastewater Treatment Apparatus
AssigneeCromaglass Corporation
InventorsMichael Gerardi, Henry Holcomb, Gene Wagner
Life of this patent
Estimating the term…
Abstract
A wastewater treatment apparatus having a fixed film media apparatus having insertable high surface area polymer cartridges providing growth surfaces for autotrophic or heterotrophic bacteria and a protective shielding surface which isolates the biofilm from turbulence within the wastewater treatment system. A method of placement of said media apparatus within the aeration and/or clarifier section of the wastewater treatment apparatus.
Claims28
A wastewater treatment apparatus, comprising:
- an aeration section for receiving and containing wastewater;
- a mixing element operable within the aeration section for mixing the wastewater;
- a clarifier section for settling the wastewater to separate any settleable solids;
- a first pump for transferring the wastewater from the aeration section to the clarifier section;
- and
- at least one fixed film media apparatus comprising a plurality of surfaces upon which biofilms may grow and a protective barrier which shields said surfaces from turbulence.
3 more elements
A fixed film media apparatus, comprising:
- a cylinder including a plurality of holes for passing wastewater;
- one or more cartridges removeably inserted within said cylinder, each including one or more surfaces upon which a biofilm may grow;
- and
- wherein said cylinder shields said surfaces from turbulence in the wastewater.
1 more element
A method of treating wastewater, comprising the steps of:
- receiving wastewater into an aeration section of a wastewater treatment apparatus;
- mixing the wastewater in the aeration section;
- receiving at least a portion of the wastewater through a protective barrier of at least one fixed film media apparatus in the aeration section, wherein the fixed film media apparatus includes two or more cartridges;
- and
- treating the portion of the wastewater with biofilm attached to surfaces of the two or more cartridges.
2 more elements
Dependencies are inferred from the claim text.