Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent
1995-01-31
1996-12-17
Upton, Christopher
Liquid purification or separation
With gas-liquid surface contact means
With separator
210169, 210170, 2104162, 119227, 119260, A01K 6304
Patent
active
055849911
ABSTRACT:
Accordingly, a filtering system for ponds is provided. The system includes a pond filtering and skimming device having defining a first internal chamber. Disposed within the chamber is a removable net disposed between the inlet and filter to entrain any objects which flow into the first chamber along with the pond water and a biological filter to filter at least a portion of any nutrients out of the pond water flowing within the first chamber. Water from the first internal chamber is preferably pumped to a bottom portion of an internal second chamber formed by a tank. The water flows upward through a second filter within the second chamber which filters at least a portion of the nutrients out of the water. The water flows upward from the filter and is discharged back into the pond from the tank to form a waterfall by flowing outward over a ledge of the tank.
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Wittstock Gary G.
Wittstock Gregory G.
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