Oxidation ditch wastewater treatment and denitrification system

Details Oxidation ditch wastewater treatment and denitrification system Oxidation ditch wastewater treatment and denitrification system

1992-02-25

1994-01-04

Upton, Christopher

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210202, 210253, 210903, 210906, C02F 330

Patent

active

052757226

ABSTRACT:
An oxidation ditch wastewater treatment and denitrification system is provided, comprising an oxidation ditch, including a central channel, having an inlet end, an outlet end, a bottom and two sidewalls; an aeration channel, having an inlet end fluidly connected to the outlet end of the central channel, an outlet end fluidly connected to the inlet end of the central channel, a bottom and two sidewalls; and a denitrification channel, having an inlet end fluidly connected to the outlet end of the central channel, an outlet end fluidly connected to the inlet end of the central channel, a bottom and two sidewalls; an aerator, positioned in the aeration channel; and at least one circulation device, positioned in the oxidation ditch and adapted to circulate wastewater from the inlet end of the central channel to the outlet end of the central channel, from the inlet end of the aeration channel to the outlet end of the aeration channel, and from the inlet end of the denitrification channel to the outlet end of the denitrification channel.

REFERENCES:
patent: 3485750 (1969-12-01), Albertson
patent: 4290884 (1981-09-01), Mandt
patent: 4383922 (1983-05-01), Beard
patent: 4798673 (1989-01-01), Huntington
patent: 4975197 (1990-12-01), Wittmann et al.
Principles and Practice of Nutrient Removal from Municipal Wastewater, The Soap and Detergent Association.

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