Process for biological denitrification of effluents

Details Process for biological denitrification of effluents Process for biological denitrification of effluents

1978-07-06

1980-06-24

Therkorn, Ernest G.

Liquid purification or separation

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

Responsive to fluid flow

210 17, 210DIG28, 435176, 435245, 435262, 435813, C02C 114

Patent

active

042093902

ABSTRACT:
The present invention is directed to a process for biological denitrification of effluents, containing up to 10 g/l of nitric nitrogen, which comprises using an active denitrification support made of selected high performance denitrifying bacteria fixed on a neutral support.

REFERENCES:
patent: 1744001 (1927-12-01), Owen
patent: 3617540 (1971-11-01), Bishop
patent: 3709364 (1973-01-01), Savage
patent: 3728279 (1973-04-01), Salomone
patent: 3749245 (1973-07-01), Kerecz
patent: 3829377 (1974-08-01), Hashimotu
patent: 3846289 (1974-11-01), Jeris
patent: 3957632 (1976-05-01), Knupp
patent: 4032407 (1977-06-01), Scott
patent: 4043936 (1977-08-01), Francis
patent: 4104167 (1978-08-01), Besik
Microbiology, Reid, McGraw-Hill, New York, 1972, 142-143.
Jeris, "Pilot-Scale, High Rate Biological Denitrification," JWPCF vol. 47, No. 8, pp. 2043-2059, Aug. 1975.
St. Amant, "Treatment of High Nitrate Waters," Jour. AWWA, pp. 659-662, May 21, 1969.

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