Filter for cleaning fluids

Details Filter for cleaning fluids Filter for cleaning fluids

1989-09-19

1992-02-04

Woo, Jay H.

Liquid purification or separation

With gas-liquid surface contact means

55282, 55387, 55477, 55512, 210615, 435288, B01D 3300, B01D 3900, C02F 308

Patent

active

050857665

ABSTRACT:
The filling of a filter for removing contaminants from air and other fluid is constituted by hanging freely-moving foil strips coated with active carbon and provided with a microorganism culture for biodegradation of the contaminants. Excess culture and detritus from the biodegradation fall out of the filling as the fluid passes downwardly therethrough.

REFERENCES:
patent: 605234 (1898-06-01), Sherk
patent: 741210 (1903-10-01), Young
patent: 3977847 (1976-08-01), Clark
patent: 4088571 (1978-05-01), Helgesson
patent: 4167482 (1979-09-01), Muller
patent: 4294694 (1981-10-01), Coulthard
patent: 4655924 (1987-04-01), Heijnen
patent: 4662900 (1987-05-01), Ottengraf
patent: 4681851 (1987-07-01), Baumgarten et al.
patent: 4734111 (1988-03-01), Hoffmann et al.
patent: 4877534 (1989-10-01), Nishida et al.

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