Apparatus for biological purification of sewage

Details Apparatus for biological purification of sewage Apparatus for biological purification of sewage

1979-08-02

1981-09-01

Spitzer, Robert H.

Liquid purification or separation

With means to add treating material

Spaced along flow path

210220, 2102422, 261120, 261121R, C02F 320, C02F 700

Patent

active

042870623

ABSTRACT:
This invention relates to apparatus for the biological purification of sewage, comprising at least one active sludge basin having an inlet and an outlet, and a plurality of bottom aerators suspended adjacent one another from a carrier and supplied by an air supply conduit for introducing air into the sewage adjacent the bottom of said basin, said bottom aerators being disposed in said basin for reciprocating movement therein.

REFERENCES:
patent: 302326 (1884-07-01), d'Heureuse
patent: 1195067 (1916-08-01), Mottram
patent: 1727601 (1929-09-01), Imhoff
patent: 1775942 (1930-09-01), Millmather
patent: 2417519 (1947-03-01), Persson et al.
patent: 2650810 (1953-09-01), Nordell
patent: 3033372 (1962-05-01), Riddick
patent: 3320160 (1967-05-01), Welles, Jr. et al.
patent: 3320928 (1967-05-01), Smith
patent: 3563383 (1971-02-01), Hellquist et al.
patent: 3589997 (1971-06-01), Grutsch et al.
patent: 3664647 (1972-05-01), Snow et al.
patent: 3883424 (1975-05-01), Stamblesky et al.

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