Device for the purification of waste water

Details Device for the purification of waste water Device for the purification of waste water

1976-08-18

1977-12-13

Granger, Theodore A.

Gas and liquid contact apparatus

Contact devices

Rotating

B01F 304

Patent

active

040629112

ABSTRACT:
The disclosure relates to a device for the purification of waste water with the aid of active silt, comprising an open basin or the like with supply and discharge means for the water, in which basin a partition is provided in such a manner that a closed circulating channel is obtained, a rotatable aerator with a vertical axis being mounted in such manner and adapted to be driven in such a sense that on rotation thereof the water is circulated in said closed channel, characterized in that one or more aerator are mounted near an outer wall or a partition of the basin.

REFERENCES:
patent: 3208734 (1965-09-01), Wood et al.
patent: 3320160 (1967-05-01), Welles, Jr. et al.
patent: 3323782 (1967-06-01), Clough
patent: 3473790 (1969-10-01), Auler et al.
patent: 3510110 (1970-05-01), Klein
patent: 3576316 (1971-04-01), Kaelin
patent: 3814395 (1974-06-01), Kaelin
patent: 3855370 (1974-12-01), Dodd
patent: 3897525 (1975-07-01), Auler

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