Sewage lagoon system

Details Sewage lagoon system Sewage lagoon system

1990-03-14

1991-12-31

Silverman, Stanley S.

Liquid purification or separation

Processes

Treatment by living organism

210621, 210629, 210903, 210605, C02F 306

Patent

active

050769294

ABSTRACT:
The sewage lagoon system has a first pond containing mechanically and biologically degrading dissolved and undissolved organic and anorganic pollutant matter, without a recirculation of the forming activated sludge. The first pond is connected to a nitrification lagoon. It contains vertical contact beds for gathering nitrobacteria, which are horizontally flown through. The flow and the introduction of air in the nitrification lagoon are effected by air-water pumps generating a directed flow and provide the transversal flow through the contact beds. The circulation rate in the nitrification lagoon is at least 10 times the throughflow rate.

REFERENCES:
patent: 2822329 (1958-02-01), Griffith
patent: 3485750 (1969-12-01), Albertson
patent: 3732160 (1973-05-01), Klock
patent: 3817857 (1974-06-01), Torpey
patent: 3846292 (1974-11-01), LeCompte, Jr.
patent: 4278547 (1981-07-01), Reid
patent: 4282102 (1981-08-01), Rooney
patent: 4479876 (1984-10-01), Fuchs

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