Device for the treatment of fluids

Details Device for the treatment of fluids Device for the treatment of fluids

2005-06-29

2009-08-25

Prince, Fred (Department: 1797)

Liquid purification or separation

Filter

Movable medium

C210S615000, C210S619000

Reexamination Certificate

active

07578397

ABSTRACT:
A device is provided for fluid treatment, in particular for waste water treatment. The fluid is led along a surface (3) coated with biological material. A wiper element (5) is provided, which brushes the surface (3) not as a whole, but in paths. The path course is selected such that the coated surface (3) is successively brushed in sections.

REFERENCES:
patent: 5158691 (1992-10-01), McEwen et al.
patent: 5593583 (1997-01-01), Geldmacher
patent: 6123841 (2000-09-01), Gotoh
patent: 2004/0232070 (2004-11-01), Jensen et al.
patent: 2405106 (1975-08-01), None
patent: 2932522 (1981-02-01), None
patent: 1190756 (2002-03-01), None
patent: 55-134618 (1980-10-01), None
patent: 63-178895 (1988-07-01), None
patent: WO 02/094724 (2002-11-01), None
English Translation of DE 2932522, Morio Yamamoto, Schreiber Translation, Inc., Nov. 2008.

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