C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/00 (2006.01)
Patent
CA 2567616
The invention relates to a method for treating waters with the aid of a biological reactor for fighting against nitrogenous pollution which is called input load and contained in said waters, wherein the reactor comprises a biomass ventilate by injected air. The inventive method involves at least one injected air speed adjustment stage and consists in continuously measuring said input N-NH4(Cv<SB>EDD</SB>) load contained in the waters, wherein said measured input load is in particularly weighted by a time offset in such a way that the time-dependent speed control of the injectable air is derived.
L'invention a pour objet un procédé de traitement d'eaux, à l'aide d'un réacteur biologique en vue d'abattre la pollution azotée, dite charge entrante, contenue dans lesdites eaux, ledit réacteur intégrant une biomasse aérée par injection d'air, ledit procédé incluant au moins une étape de régulation de la vitesse dudit air injecté, caractérisé en ce qu'il comprend une mesure en continu de ladite charge entrante en N-NH4 (CvEDD) contenue dans lesdites eaux, ladite charge entrante mesurée étant notamment pondérée par un décalage temporel pour en déduire une commande de la vitesse dudit air à injecter en fonction du temps.
Lemoine Cyrille
Payraudeau Michele
Otv Sa
Oyen Wiggs Green & Mutala Llp
LandOfFree
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