Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Patent
1996-12-12
1998-05-26
Nessler, Cynthia L.
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
210150, 210151, 210169, 119260, 119261, 119266, 415 88, C02F 302, C02F 308
Patent
active
057559619
ABSTRACT:
An aquarium system includes an inlet reservoir, an aquarium tank defining a container for water in fluid communication with the inlet reservoir to receive water displaced from the inlet reservoir, an outlet reservoir in fluid communication with the tank for receiving water displaced from the tank, and a water treatment unit in fluid communication with the inlet reservoir and the outlet reservoir. The water treatment unit includes a rotatably supported media wheel which has a first hollow portion and a second portion carrying a water displacement media. The media is alternately submersible into and raisable out of water contained in the water treatment unit as the media wheel is rotated to displace water from the unit to the inlet reservoir, to thereby cycle water through the system. In one embodiment, the displacement media is a biological media. In another embodiment, the media wheel carries an algae screen on its perimeter.
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