Equipment for biological water treatment, in particular for deni

Details Equipment for biological water treatment, in particular for deni Equipment for biological water treatment, in particular for deni

1987-11-17

1990-06-19

Wyse, Tom

Liquid purification or separation

With gas-liquid surface contact means

With separator

210201, C02F 308

Patent

active

049351303

ABSTRACT:
Known types of equipment for the biological denitrification of potable water require (back) washing of the reactors from time to time. These denitrification processes proceed therefore in a discontinuous manner. The invention proposes a continuously operating denitrification process with a simple equipment arrangement. This is achieved by submerged drum reactors (12, 14) which rotate in a first, anoxic biological stage (10) and in a second, aerobic biological stage (13). The immersion bodies (immersion body segments 31) contained in these reactors are, due to the rotation, continuously washed during the treatment of the potable water. Moreover, the submerged drum reactors (12, 14) of the two biological stages (10, 13) are arranged according to the invention on a common drive shaft (26) with a drive element (drive motor 27).

REFERENCES:
patent: 3704783 (1972-12-01), Antonie
patent: 3817857 (1974-06-01), Torpey
patent: 3869380 (1975-03-01), Torpey
patent: 4183809 (1980-01-01), Klapwijk et al.
patent: 4211647 (1980-07-01), Friedman et al.
patent: 4330408 (1982-05-01), McClure
patent: 4468326 (1984-08-01), Kawert
Korrespondenz Abwasser 1983, No. 2, S. 122-123.
Wasserwirtschaft 1982, No. 6, S. 235-239.

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