C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/72 (2006.01) C02F 1/76 (2006.01)
Patent
CA 2640452
A composition for anti-microbial effect in a water system such as a pulp and paper processing line with an aqueous slurry. The composition comprises a free chlorine-generating biocide comprising a chlorine source, urea, and an alkali in a concentration sufficient to provide a pH greater than 10, and typically at least pH 11.
L'invention concerne une composition destinée à produire un effet antimicrobien dans un système aqueux tel qu'une chaîne de production de pâte à papier et de papier à partir d'une suspension aqueuse. La composition comprend un biocide générant du chlore libre qui comprend une source de chlore, de l'urée et un alcali à une concentration suffisante pour obtenir un pH supérieur à 10, typiquement un pH au moins égal à 11.
Cooper Andrew J.
Enzien Michael V.
Rice Laura E.
Wetegrove Robert L.
Borden Ladner Gervais Llp
Nalco Company
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