Rotating biological aquarium filter system

Liquid purification or separation – Processes – Treatment by living organism

Patent

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Details

210169, C02F 308

Patent

active

056792530

ABSTRACT:
An aquarium filter system having a rotatably mounted filter body. The filter body is structured such that when mounted with a portion of the filter body submerged in moving water, rotational movement is imparted to the filter body by the moving water. As a result of the rotational movement, at least a portion of the filter body is alternately exposed to the water and the atmosphere. This fosters the growth of aerobic bacteria on the surface of the filter body. The aerobic bacteria reduces the level of toxins within the aquarium water.

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"Filtration Techniques for Small-Scale Aquaculture in a Closed System" by Steven D. Van Gorder et al. (Dated prior to filing date of present application).
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