Submerged fixed media for nitrification

Details Submerged fixed media for nitrification Submerged fixed media for nitrification

1993-09-21

1996-03-19

Wyse, Thomas S.

Liquid purification or separation

Processes

Treatment by living organism

210616, 210629, 210903, 210926, C02F 310

Patent

active

055001190

ABSTRACT:
The present invention relates to a novel apparatus for enhancing the nitrification of wastewater, and a method of its use. The present apparatus comprises the addition of a plurality of submerged, fixed support means to an activated sludge system. These support means act as supports for autotrophic nitrification bacteria and are disposed in the activated sludge system so that the wastewater is substantially free of carbonaceous waste by the time it reaches the support media. A circulation system is used to bring the wastewater into contact with the support media so that nitrification can occur.

REFERENCES:
patent: 3900394 (1975-08-01), Rongved
patent: 4439315 (1984-03-01), Whiteside
patent: 5076929 (1991-12-01), Fuchs et al.
patent: 5160620 (1992-11-01), Lygren

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