Sewage settling tank

Details Sewage settling tank Sewage settling tank

1976-05-17

1977-06-07

Lutter, Frank W.

Liquid purification or separation

With movable support

Float

210 83, 210252, 210521, B01D 2110, C02B 900, C02C 126

Patent

active

040282490

ABSTRACT:
The efficiency of a sewage settling tank is improved by providing the tank with a plurality of submerged, vertically spaced decks which divide the tank into a plurality of horizontal settling layers. This improves the settling rate in that solids travel a relatively short vertical distance before coming to rest on one or another of the decks. A floating siphon system having inlets at each deck level removes the settled sludge from each of the decks.

REFERENCES:
patent: 2202772 (1940-05-01), Durdin
patent: 2305929 (1942-12-01), Lund et al.
patent: 2375590 (1945-05-01), Schonberg et al.
patent: 2468069 (1949-04-01), Hunter
patent: 3333704 (1967-08-01), McGivern et al.
patent: 3669271 (1972-06-01), McGivern

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