Method and apparatus for enhancing aquatic environments

Details Method and apparatus for enhancing aquatic environments Method and apparatus for enhancing aquatic environments

2006-05-16

2009-06-09

Prince, Fred (Department: 1797)

Liquid purification or separation

With gas-liquid surface contact means

C210S167220, C210S167260, C210S170020, C119S227000, C119S228000

Reexamination Certificate

active

07544286

ABSTRACT:
Submerged media useful with or without aeration and/or mixing to enhance an aquatic environment by promoting and retaining biogrowth. The media takes the form of a cluster of individual flexible elements having free ends. The media are submerged in a liquid such as a water or wastewater treatment basin or an aquaculture environment. The media are characterized by the ability to promote and retain microbial growth. The media clusters have substantial flow through thicknesses to provide a three dimensional effect along with baffling for increased contact with the liquid being treated. The media may be thin strips constructed to avoid sticking together to allow maximum exposed surface area. The media clusters can create oxic, anoxic and anaerobic environments for maximum treatment during flow through the media cluster. The flexibility of the media elements and their free ends automatically dislodges excessive biomass buildup to avoid clogging of the media.

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“Bio-Pac SF#30 Media For Tricling Filters, Submerged Beds and Anaerobic Reactors,” (3-page brochure idetnifying trickling filter media); NSW, LLC (NSW Environmental Systems; nswplastics.com), Roanoke, Virginia, (publication date unknown).
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“AquaMats Engineered Aquatic Products Presents High-Performance AquaMats Substrate Technology: Application in Wastewater Treatment” (22-page brochure identifying similar concept to EDI except single surface, i.e., not flow through), Meridian Aquatic Technology, LLC (1999-20001), Calverton, Maryland.
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