Nitrification-denitrification system

Details Nitrification-denitrification system Nitrification-denitrification system

1980-08-18

1981-09-22

Castel, Benoit

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210202, 210605, 210903, C02F 330

Patent

active

042908841

ABSTRACT:
Activated sludge treatment system for removal of pretreatment BOD and nitrogen values from waste water, utilizing a mixed liquor tank comprising a nitrate cracking channel zone, a denitrification channel zone and an aeration zone in specified relationship and adapted to provide specified operating conditions in the respective zones.

REFERENCES:
patent: 3733263 (1973-05-01), Mandt
patent: 3809242 (1974-05-01), Bosje
patent: 3900394 (1975-08-01), Rongved
Envirotech Corporation Pamphlet; "Eimco Carrousel Biological Oxidation System"; (1977).
Gool H. Van; "Purification of Industrial Waste Waters; Centre Belge d'Etude et de Documentation des Eaux"; No. 391-392; pp. 265-279 (1976).

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