C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/12 (2006.01) C02F 3/00 (2006.01) C02F 3/30 (2006.01) C12Q 1/04 (2006.01) G01N 33/64 (2006.01) G01N 33/66 (2006.01)
Patent
CA 2420588
A method has been developed to monitor the health of an activated sludge environment in a wastewater process comprising monitoring the levels of polyhydroxyalkanoates (PHA) produced and correlating those levels with various selected sample parameters. In general, levels of PHA in excess of about 15% to about 20% dry weight of the biomass is an indication that the biocatalytic efficiency of the wastewater treatment process is impaired.
L'invention concerne un procédé destiné à contrôler la santé d'un environnement de boue activée dans un procédé de traitement d'eaux usées. Ce procédé consiste à contrôler les niveaux de polyhydroxyalcanoate (PHA) produits et à mettre en corrélation ces niveaux avec divers paramètres d'échantillon sélectionnés. En général, les niveaux de PHA supérieurs à environ 15 % à 20 % du poids sec de la biomasse indiquent que l'efficacité biocatalytique du procédé de traitement d'eaux usées est altérée.
Dragotta Dominic A.
Nagarajan Vasantha
Thomas Stuart M.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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