Process for the elimination of nitrates by means of a microbiolo

Details Process for the elimination of nitrates by means of a microbiolo Process for the elimination of nitrates by means of a microbiolo

1986-02-25

1987-09-29

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210603, 210611, 210617, 210150, 210903, 435168, C02F 330

Patent

active

046967478

ABSTRACT:
In a microbiological process for the elimination of nitrates from an aqueous liquid, the liquid to be denitrified passes through a first reaction zone containing a denitrifying biomass which utilizes hydrogen and into which hydrogen gas is injected. Effluent from the first reaction zone is introduced into a second reaction zone containing a nitrifying biomass which is also contacted by an oxygen-containing gas.

REFERENCES:
patent: 4179374 (1979-12-01), Savage et al.
patent: 4183809 (1980-01-01), Klapwijk et al.
patent: 4384956 (1983-05-01), Mulder
patent: 4419243 (1983-12-01), Atkinson et al.
patent: 4469599 (1984-09-01), Gros et al.
Ginocchio J. C.; "Biological Denitrification of Drinking Water"; Sulzer Tnical Review; pp. 115-117 (3/1980).
Karube J. et al., "Photochemical Fuel Cell Using Immobilized Chloroplast-Clostridium-Butyricum"; Advances in Biotech., vol. III, pp. 389-394 (Jul. 1980).

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