Water filtration device

Details Water filtration device Water filtration device

1992-05-20

1993-12-28

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210802, 210414, C02F 306

Patent

active

052736652

ABSTRACT:
The water filtration apparatus is based on the principles of swirl-separation, flow-straightening and biological filtration. The waste stream is introduced into a swirl chamber. Overflow from the swirl chamber is introduced into a biological chamber in the form of a vertically-oriented tube bundle, where it is straightened, its velocity is reduced and it is allowed to contact a biologically active media. The overflow from the tube bundle is then removed. Underflow is removed from the bottom of the swirl chamber.

REFERENCES:
patent: 3589518 (1971-06-01), Brebion
patent: 4088571 (1978-05-01), Helgesson
patent: 4137171 (1979-01-01), Yokata
patent: 4172789 (1979-10-01), Huardeau
patent: 5126042 (1992-06-01), Malone

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