System for biological purification of water containing organic m

Details System for biological purification of water containing organic m System for biological purification of water containing organic m

1989-02-08

1991-02-26

Fisher, Richard V.

Liquid purification or separation

Processes

Treatment by living organism

210605, 210607, 210615, 210617, 210630, 210150, 210169, 210256, C02F 330

Patent

active

049959808

ABSTRACT:
The treatment of water by a biological technique. The water to be treated circulates in the interior of the reactor, in the space (2) located above the partition (1). It is aerated and agitated by a diffuser (3); it enters the reactor by the opening (4) and leaves by the opening (5). A volume of confined water, poor in oxygen, occupies at the bottom of the reactor the space (6) located below the partition (1) and has across its thickness a layer supersaturated in oxygen (10) occupied by the microalgae and aerobic microorganisms; a region rich in oxygen (11) occupied by aerobic microorganisms; a region (12) poor in oxygen and occupied by anaerobic microorganisms; and an intermediate region (13) occupied by aerobic and anaerobic microorganisms. The invention is applicable particularly, in its closed circuit configuration, to aquaria and by means of either a closed circuit or an open circuit, to the treatment of water.

REFERENCES:
patent: 699345 (1902-05-01), Provost
patent: 3101321 (1963-08-01), Austin et al.
patent: 3385786 (1968-05-01), Klock
patent: 3487440 (1969-12-01), Newsteder
patent: 3723304 (1973-03-01), Storck
patent: 3815547 (1974-06-01), Willinger et al.
patent: 4684462 (1987-08-01), Augustyniak

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