Denitrification system

Details Denitrification system Denitrification system

1994-11-22

1996-09-17

Upton, Christopher

Liquid purification or separation

Recirculation

2101951, 210255, 210605, 210926, 210903, C02F 330

Patent

active

055565387

ABSTRACT:
A denitrification apparatus, for use in a wastewater treatment system having a mixed liquor source, is disclosed. The apparatus has at least two non-aerated continuous channels, connected in series. Wastewater flows from the mixed liquor source into the series of channels and then flows back into the mixed liquor source. In a preferred embodiment the inlets and outlets for each channel are arranged so that the flow into the channel is into the lower portion of the channel, and the flow from the channel is from the upper portion.

REFERENCES:
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patent: 4159243 (1979-06-01), Okey
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patent: 4290884 (1981-09-01), Mandt
patent: 4487692 (1984-12-01), Kersten
patent: 4936982 (1990-06-01), DiGregorio et al.
patent: 4975197 (1990-12-01), Wittmann et al.
patent: 5192442 (1993-03-01), Viccirillo et al.
patent: 5290451 (1994-03-01), Koster et al.

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