C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/08 (2006.01) B08B 17/00 (2006.01) C02F 1/50 (2006.01) C02F 3/34 (2006.01) C12S 9/00 (2006.01) D21H 21/04 (2006.01)
Patent
CA 2203436
The present invention relates to the use of at least one enzyme component from the group consisting of carbohydrases, proteases, lipases and glycol proteases and a short-chained glycol component for the avoidance of slime formation and/or for the removal of biofilm on surfaces of water-bearing systems, in particular of industrial process-water systems. The enzyme component(s) and the glycol component can be added to the water-bearing system either separately, i.e., at different points, or in the form of an enzymatic composition containing the enzyme component(s) and the glycol component.
Cette invention porte sur l'utilisation d'au moins une enzyme du groupe constitué de carbohydrases, de protéases, de lipases et de protéases de glycol et d'un glycol à chaîne courte permettant d'éviter la formation de limon sur des surfaces de systèmes faisant intervenir de l'eau, notamment des systèmes d'eau de traitement industriel et/ou d'en ôter un film biologique. Il est possible d'ajouter le ou les enzymes et le glycol au système faisant intervenir de l'eau, soit séparément, par exemple, en différents endroits, soit sous la forme d'une composition enzymatique comportant le ou les enzymes et le glycol.
Eyers Mark
Schenker Achim
Schuetz Jurgen F.
Van Pee Kristine
Van Poele Jos
Betzdearborn Inc.
Borden Ladner Gervais Llp
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