C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/28 (2006.01) C02F 9/00 (2006.01)
Patent
CA 2389696
The invention concerns a method for purifying aqueous effluents containing in particular peroxidized compounds. More particularly, it concerns a method for purifying aqueous effluents comprising an anaerobic biological decomposition of compounds contained in the effluents. The effluents are treated, prior to their anaerobic biological decomposition, in a deperoxidizing step to reduce the peroxide concentration and prevent harmful effects of said compounds on the enzymes or bacteria.
La présente invention concerne un procédé de purification d'effluents aqueux contenant notamment des composés peroxydés. Elle concerne plus particulièrement un procédé de purification d'effluents aqueux comprenant un procédé de décomposition biologique anaérobie des composés contenus dans l'effluent. Les effluents sont traités préalablement à leur décomposition biologique anaérobie, dans une étape de déperoxydation pour diminuer la concentration en peroxyde et éviter un effet nuisible de ces composés sur les enzymes ou bactéries.
Baud-Grasset Frederic
Pilas-Begue Agnes
Veracini Serge
Rhodia Polyamide Intermediates
Robic
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