Closed spiral path waste water treatment system

Details Closed spiral path waste water treatment system Closed spiral path waste water treatment system

1976-10-20

1979-03-27

Spear, Jr., Frank A.

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210199, 210219, 210220, 210256, 210261, 210262, C02C 110

Patent

active

041464788

ABSTRACT:
A continuous waste water treatment system comprising a reservoir providing a single, closed, continuous, substantially horizontal path through at least two adjacent substantially concentric loops, each of said loops having a beginning and an end, said reservoir being provided with waste water inlet means, treated liquid outlet means, and aeration and circulation means, and wherein said treated liquid outlet means is connected to clarifying means which removes at least some of the sludge carried by the treated liquid and sludge return means is provided to return at least some of the removed sludge to said reservoir.

REFERENCES:
patent: 2430519 (1947-11-01), Mallory
patent: 3133878 (1974-05-01), Kober
patent: 3340186 (1967-09-01), Weyl
patent: 3448861 (1969-06-01), Berk
patent: 3495712 (1970-02-01), Schreiber
patent: 3579439 (1971-05-01), Meiring
patent: 3595783 (1971-07-01), Pflanz
patent: 3760946 (1973-09-01), Boler
patent: 3809242 (1974-05-01), Bosje
patent: 3817858 (1974-06-01), Yost
patent: 3900394 (1975-08-01), Rongved
patent: 3907679 (1975-09-01), Yost
patent: 3917532 (1975-11-01), King
patent: 3947358 (1976-03-01), Schreiber

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