Water filtration method

Details Water filtration method Water filtration method

1976-04-16

1978-03-07

Granger, Theodore A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210DIG28, 210169, E04H 320

Patent

active

040778770

ABSTRACT:
Efficient biological and mechanical and/or chemical filtration or purification of the water in an aquatic life support system is achieved with a submerged device through which a high water flow rate is induced by a generally vertical flow of air through the hollow core of one or a plurality of filtration elements. Each filtration element accommodates a high flow rate (e.g. more than 50 gallons per hour) and can contain a viable colony of nitrifying bacteria. The preferred filtration device comprises a base with a plurality of air inlets and air passageways or conduits to the aforementioned hollow core of each filtration element. The base supports and positions the filtration elements. Increased flow rates can be achieved by affixing a hollow tube or conduit to the upper end of the aforementioned hollow core of a filtration element.

REFERENCES:
patent: 2817689 (1957-12-01), White
patent: 3292792 (1966-12-01), Falkenberg et al.
patent: 3312349 (1967-04-01), Rosaen
patent: 3334752 (1967-08-01), Matravers
patent: 3356226 (1967-12-01), Miller, Jr. et al.
patent: 3692186 (1972-09-01), Marzocchi
patent: 3785494 (1974-01-01), Sama
patent: 3941862 (1976-03-01), Price et al.
patent: 3945923 (1976-03-01), Rogers et al.
patent: 3957634 (1976-05-01), Orensten et al.

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