Nitrification-denitrification of wastewater

Details Nitrification-denitrification of wastewater Nitrification-denitrification of wastewater

1977-11-23

1979-11-06

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 6, 210 8, 210 16, 210DIG28, 210DIG29, C02C 106

Patent

active

041735315

ABSTRACT:
In activated sludge-type wastewater treatment, nitrified oxygenated liquid-solid from the oxic zone is retained under anoxic conditions for denitrification and release of nitrogen gas, and the denitrified liquid-solid returned to the oxic zone.

REFERENCES:
patent: 3236766 (1966-02-01), Levin
patent: 3409545 (1968-11-01), Albertson
patent: 3617540 (1971-11-01), Bishop et al.
patent: 3654147 (1972-04-01), Levin et al.
patent: 3681235 (1972-08-01), Topol
patent: 3764523 (1973-10-01), Stankewich
patent: 3930998 (1976-01-01), Knopp et al.
patent: 3964998 (1976-06-01), Barnard
patent: 3994802 (1976-11-01), Casey et al.
patent: 4042493 (1977-08-01), Matsch et al.
Barnard, "Biological Denitrification," Water Pollut. Control, 1973, vol. 72, Part 6, pp. 705-717.

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