Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1977-09-26
1979-03-06
Wyse, Thomas G.
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
210197, 210201, 210220, C02C 108
Patent
active
041429753
ABSTRACT:
An apparatus for treating sewage to obtain substantially complete organic matter substrate and biological sludge oxidation prior to effluent discharge in a treatment system comprising a series of treatment units; each unit having a generally circular cross-sectional configuration defining a treatment chamber, baffle means in the treatment chamber for directing the flow of mixed liquor in the chamber, gas supply means for supplying an oxygen containing gas to the treatment chamber so as to cause a continuous semi-circular flow pattern of mixed liquor in the treatment chamber; inlet means for supplying raw sewage to the first unit of the series; outlet means for withdrawing clarified effluent from the last unit of the series; and fluid communication means for providing fluid communication between an intermediate top portion of each successive unit of the series. The system is preferably designed to provide environments suitable for microorganism growth and development through sewage organic matter consumption in the first unit of the series, microorganism population maintenance in the next successive unit of the series and microorganism autodigestion in latter units of the series, thereby providing an effluent substantially free of digestable organic matter and biological sludge.
REFERENCES:
patent: 3706380 (1972-12-01), Le Quinquis
patent: 4036754 (1977-07-01), Peasley
patent: 4070292 (1978-01-01), Adams
Castel Benoit
Klaas Bruce G.
Sanilogical Corporation
Shelton Dennis K.
Wyse Thomas G.
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