Equipment for treating sewage by biological oxidation

Details Equipment for treating sewage by biological oxidation Equipment for treating sewage by biological oxidation

1993-02-25

1994-06-21

Nessler, Cynthia L.

Liquid purification or separation

With gas-liquid surface contact means

With separator

210202, 210259, 210261, 210615, 210617, 210903, C02F 330

Patent

active

053226216

ABSTRACT:
An equipment for treating sewage, comprises a horizontal plate with a water sinking hole dividing the equipment into two portions: an upper portion of biofilter and a lower portion of contact oxidation pond. Within such equipment, a two-stage sewage biochemical treatment is accomplished. The equipment of the present invention has the advantages of less land occupation, less energy consumption, higher pollutant removing rate, higher shock resistance, easy management, no excess sewage and waste gas being drained off and less secondary pollution.

REFERENCES:
patent: 2352901 (1944-07-01), Klein
patent: 3700590 (1972-10-01), Burton
patent: 3957642 (1976-05-01), Oldham et al.
patent: 5147547 (1992-09-01), Savall et al.
patent: 5211844 (1993-05-01), Hattori et al.
patent: 5223129 (1993-06-01), Hsieh

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