Microbiological control in aqueous systems

Details Microbiological control in aqueous systems Microbiological control in aqueous systems

C - Chemistry, Metallurgy

02

F

C02F 1/50 (2006.01) A01N 59/00 (2006.01) C02F 1/76 (2006.01)

Patent

CA 2463489

Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides very effective microbiocidal control of planktonic microorganisms and of biofilm species, even where the biofilm infestations have been in existence for long periods of time and thus have encased themselves in a substantial quantity of slimy defensive polysaccharide layers or films. In addition, the biocide used makes possible significant reduction in copper and/or iron surfaces in contact with the water as compared to N,N'-bromochloro-5,5-dimethyl hydantoin. Still other advantages are made possible by the described technology.

Selon la présente invention, le contrôle microbiologique est obtenu par dosage de l'eau en contact ou venant en contact avec un mucilage, de manière continue et économique, à l'aide d'un biocide extrêmement efficace qui permet d'obtenir un contrôle microbiocide très efficace de microorganismes plantoniques et d'espèces de mucilages, même lorsque les infestations de mucilages existent depuis de longues périodes de temps et ont ainsi elles-mêmes été revêtues d'une quantité substantielle de couches ou de films de polysaccharides de protection visqueux. De plus, le biocide utilisé permet de diminuer de manière significative les surfaces de cuivre et/ou de fer en contact avec l'eau comparé à l'N,N'-bromochloro-5,5-diméthyl hydantoïne. La technique susmentionnée présente encore d'autres avantages.

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