C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/52 (2006.01) B01D 65/08 (2006.01) C02F 1/56 (2006.01) C02F 1/00 (2006.01) C02F 1/42 (2006.01) C02F 1/44 (2006.01) C02F 5/00 (2006.01)
Patent
CA 2682057
A process has been found which increases the efficiency and effectiveness of the overall filtration system, b> i educing the fouling of the microfilUatio.pi. system, thereby increasing its permeability and reducing the frequency of cleanings necessary According to one embodiment of the inv ention, cationic coagulant is used to treat water in the ear!) stages of a water treatment system, and to coagulate and flocculate the contaminants, and thereby resulting m reduced fouling of the microfiltration system, resulting in inciease flux, less deposit of colloidal and particulate solids and dissolv ed organics on the surface of the microfiltration membrane, therein reducing the frequency and duration of the membrane cleaning and ultimate replacement
On a découvert un procédé qui permet d'augmenter le rendement et l'efficacité d'un système de filtration global, par limitation de l'encrassement d'un système de microfiltration, ce qui augmente sa perméabilité et réduit la fréquence des nettoyages nécessaires. Selon un mode de réalisation de l'invention, on utilise un agent cationique pour traiter l'eau dans les premiers étages d'un système de traitement d'eau et pour coaguler et floculer les contaminants, ce qui a pour résultat de limiter l'encrassement du système de microfiltration, d'augmenter le flux, de réduire les dépôts de solides colloïdaux et particulaires et matières organiques dissoutes sur la surface de la membrane de microfiltration, ce qui permet de limiter la fréquence et la durée de nettoyage de la membrane et son remplacement ultime.
Frenette Ronald D.
Maccallum Shelley M.
Melnyk Jason M.
Company General Electric
Craig Wilson And Company
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