Device for aerating sewage or sewage-sludges

Details Device for aerating sewage or sewage-sludges Device for aerating sewage or sewage-sludges

1980-03-24

1981-08-18

Hruskoci, Peter A.

Liquid purification or separation

With gas-liquid surface contact means

261 86, 261 92, C02F 308

Patent

active

042845033

ABSTRACT:
The invention relates to an aerating device for sewage and comprises a drum-like rotor which rotates in a trough and is divided, by axially-parallel partitions, into a plurality of outwardly-open radial chambers, the said partitions being equipped with peripheral outer surfaces having apertures so that during rotation of the drum a volume of air is trapped in each chamber. Internal baffels in said chambers act to direct the trapped air initially to the lagging portion of the chamber and then, past bottom dead center, to the leading portion of the chamber, thereby efficiently aerating the sewage.

REFERENCES:
patent: 3109875 (1963-11-01), Schramm et al.
patent: 3540589 (1970-11-01), Boris
patent: 3747904 (1973-07-01), Gross
patent: 3886074 (1975-05-01), Prosser
patent: 3962087 (1976-06-01), Hartmann
patent: 4160736 (1979-07-01), Prosser
patent: 4184946 (1980-01-01), Kato

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