Lamellar apparatus and method for clarifying water

Details Lamellar apparatus and method for clarifying water Lamellar apparatus and method for clarifying water

1992-05-20

1994-03-22

Upton, Christopher

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210802, 2102212, 210519, 210521, 210523, 210540, C02F 124, B01D 2102

Patent

active

052961494

ABSTRACT:
A tank receives raw water for clarification by flotation. An array of lamellae define a set of generally vertically oriented channels with solid side walls. Flotation occurs in each channel. The channels are preferably inclined. With a round tank, a frame rotates an interlocking array of radial and concentric lamellae. A stationary raw water inlet distribution box fills the channels with raw treated water. An aligned clarified water collection box withdraws clarified water. A stationary skimmer directs floating sludge to a removal conduit with a variable pitch screw conveyor. Sliding seals on the lamellae isolate individual channels or groups of channels as they move through the tank. The channels lock and move columns of water through the tank with substantially no turbulence.

REFERENCES:
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patent: 4022696 (1977-05-01), Krofta
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patent: 4346005 (1982-08-01), Zimmerman
patent: 4377485 (1983-03-01), Krofta
patent: 4626345 (1986-12-01), Krofta
patent: 4931175 (1990-06-01), Krofta

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