Process and plant for biodegrading pollutants in water

Details Process and plant for biodegrading pollutants in water Process and plant for biodegrading pollutants in water

C - Chemistry, Metallurgy

02

F

C02F 1/78 (2006.01) C02F 1/32 (2006.01) C02F 3/30 (2006.01)

Patent

CA 2200464

The process is used for treating water polluted with substances which are difficult to degrade in a purely biological manner. The water is circulated through a reactor container arrangement (24) in which it is treated with ozone, giving rise to mild oxidation of the pollutants. The water passes into a container arrangement (8) having an aerobic biology which, by virtue of the mild oxidation of the pollutants, can further degrade the latter. The water is passed through a main circuit (I) and an auxiliary circuit (II) branched off the latter.

L'invention concerne un procédé destiné au traitement d'eau polluée par des substances difficilement dégradables par voie uniquement biologique. L'eau circule à travers une cuve de réacteur (24), où elle est traitée à l'ozone, ce qui provoque un début d'oxydation des polluants. L'eau pénètre dans la cuve (8) présentant une biologie aérobie et capable, grâce au début d'oxydation des polluants, de poursuivre la dégradation de ces polluants. L'eau circule dans un circuit principal (I) et dans un circuit auxiliaire (II) dérivé de ce dernier.

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