Oxidation ditch for treatment of waste water

Details Oxidation ditch for treatment of waste water Oxidation ditch for treatment of waste water

1989-10-23

1992-01-28

Silverman, Stanley

Liquid purification or separation

Recirculation

210219, 210926, C02F 316

Patent

active

050841670

ABSTRACT:
An oxidation ditch for circulating a waste water stream and having a channel formed by a continuous vertical outside wall extending upward from a bottom and having at least one section shaped to form a curved area into which a vertical turbine is operatively positioned and by a partition wall also extending upward from the bottom and positioned inside the outside wall with one of its ends adjacent the vertical turbine, the improvement of which comprises a baffle positioned in the channel upstream of the vertical turbine to minimize the mixing of the upstream waste water with the backwash created by the vertical turbine.

REFERENCES:
patent: 3473790 (1969-10-01), Auler et al.
patent: 4269709 (1981-05-01), Rongved
patent: 4844802 (1989-07-01), Hove

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