Sewage treatment apparatus

Details Sewage treatment apparatus Sewage treatment apparatus

2005-04-19

2005-04-19

Copenheaver, Blaine (Department: 1724)

Liquid purification or separation

With means to add treating material

Plural distinct separators

C210S218000, C210S219000, C210S220000

Reexamination Certificate

active

06881332

ABSTRACT:
In the present invention, solid contents38, which are collected by a solid-liquid separation device33in a solid-liquid separation tank14and charged into a decomposing treatment tank11, are decomposed to water and CO2by the action of aerobic microbes and the air (oxygen) supplied from a lower aeration tank12and substantially disappear. The oil contents contained in the water having been decomposed is removed by an oil-water separation tank13.

REFERENCES:
patent: 01-124832 (1989-08-01), None
patent: 08-1132 (1996-01-01), None
patent: 08-10792 (1996-01-01), None
patent: 08-197038 (1996-08-01), None
patent: 10-156325 (1998-06-01), None

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