Sewage treatment plant

Details Sewage treatment plant Sewage treatment plant

1974-11-25

1976-10-05

Hart, Charles N.

Liquid purification or separation

With heater or heat exchanger

Diverse separators

210195S, 210202, 210205, 210220, C02C 110

Patent

active

039843211

ABSTRACT:
An improved, compact biological sewage treatment plant comprised of a series of serially connected treatment tanks of arcuate shape when viewed in top plan view, joined operatively together essentially in an end-to-end circumferential ring-like manner, forming a central space adapted to house additional sludge dehydrating and auxiliary treatment apparatus and equipment for control and maintainance of the plant. A particular advantageous feature includes providing additional concentrically disposed series of said treatment tanks all operatively connected to provide for selectively expandable capacity as needed, with a minimum of adverse environmental impact on the surrounding populace.

REFERENCES:
patent: 2027370 (1936-01-01), Currie
patent: 2574685 (1951-11-01), Baxter et al.
patent: 2777815 (1957-01-01), Forrest
patent: 2901114 (1959-08-01), Smith et al.
patent: 3166501 (1965-01-01), Spohr
patent: 3312346 (1967-04-01), Walker
patent: 3415379 (1968-12-01), Thayer
patent: 3547813 (1970-12-01), Robinson et al.
patent: 3809242 (1974-05-01), Bosje

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