C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/12 (2006.01) C08G 73/02 (2006.01)
Patent
CA 2210355
A biodegradable scale inhibitor and dispersant is provided. The scale inhibitor includes a copolymer comprising at least one of N-oxygenatedhydrocarbonamide monomers and at least one of amino acid monomers. A method of reducing scale build-up on heating exchanger surfaces that come in contact with an industrial water is provided by adding a copolymer comprising at least one of N-oxygenatedhydrocarbonamide monomers and at least one of amino acid monomers to the water system such as cooling towers.
On présente un inhibiteur d'entartrage biodégradable et un dispersant. L'inhibiteur d'entartrage comprend un copolymère comprenant au moins un monomère N-hydrocarbonamide oxygéné et au moins un monomère d'acide aminé. Une méthode permettant de réduire l'entartrage sur les surfaces d'échangeurs de chaleur qui entrent en contact avec les eaux industrielles est prévu. Il s'agit d'ajouter un copolymère comprenant au moins un monomère N-hydrocarbonamide oxygéné et au moins un monomère d'acide aminé aux systèmes d'eaux industrielles, tels que les tours de refroidissement.
Davis Ronald V.
Tang Jiansheng
Nalco Chemical Company
Smart & Biggar
LandOfFree
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