Apparatus for biological activating cleaning of waste waters con

Details Apparatus for biological activating cleaning of waste waters con Apparatus for biological activating cleaning of waste waters con

1984-07-05

1987-05-12

Wyse, Tom

Liquid purification or separation

With gas separator

210197, 210207, 210218, C02F 320

Patent

active

046647945

ABSTRACT:
Method of biological activating cleaning of waste waters containing nitrogenous materials at conditions of a lowly loaded sludge with simultaneous nitrification of organic nitrogen and ammonia to nitrates while using fluid filtration and an arrangement for execution of this method where the waste water, after its activating cleaning with supply of oxygen, is subsequently cleaned in the course of fluid filtration by denitrification without presence of oxygen creating flotating sludge which is circulated at least partly to the aerobic activating cleaning.

REFERENCES:
patent: 3239067 (1966-03-01), Hikes et al.
patent: 3429442 (1969-02-01), Mackrle et al.
patent: 3535236 (1970-10-01), Travis
patent: 4167479 (1979-09-01), Besik
patent: 4251371 (1981-02-01), Bauer et al.
patent: 4346000 (1982-08-01), von Drooge
patent: 4412003 (1983-10-01), Evans
patent: 4425231 (1984-01-01), Fujimoto et al.

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