Dual-action decontamination system

Details Dual-action decontamination system Dual-action decontamination system

C - Chemistry, Metallurgy

02

F

C02F 1/40 (2006.01) B01D 39/00 (2006.01) B01D 39/04 (2006.01) E03F 5/046 (2006.01) E03F 5/06 (2006.01) C02F 1/28 (2006.01)

Patent

CA 2460511

Hydrophobic polymer granules of SBS (410) and EPDM (420) are mixed (440) and irrigated (450) with an antimicrobial compound (430). After drying (460), the resulting mixture is extruded into fragments (470). With antimicrobial compound applied to their exterior surfaces by this or other suitable methods, the treated fragments can reduce proliferation of microbial organisms as well as sorb chemical contaminants from the water. By employing this dual decontamination action, filter systems employing such particles can improve the quality of runoff water (or other contaminated water streams) and reduce the risk presented by potentially harmful organisms.

L'invention concerne des granulés polymères hydrophobes de SBS (410) et d'EPDM (420) mélangés (440) et irrigués (450) au moyen d'un composé antimicrobien (430). Après une coloration (460), le mélange obtenu est extrudé en fragments (470). L'application du composé antimicrobien sur les surfaces extérieures de fragments, par le biais de ce procédé ou d'autres procédés appropriés, permettent aux fragments traités de réduire une prolifération d'organismes microbiens, et d'absorber des contaminants chimiques à partir de l'eau. Grâce à l'utilisation de cette double action de décontamination, des systèmes de filtre faisant appel à de telles particules peuvent permettre d'améliorer la qualité de l'eau de ruissellement (ou d'autres écoulements d'eaux contaminées) et de réduire le risque présenté par des organismes potentiellement nuisibles.

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