Biodegradable compound for cleaning, disinfecting and...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 1/62 (2006.01) B08B 3/08 (2006.01) C11D 3/20 (2006.01)

Patent

CA 2225118

The cleaning compound for a water dispenser includes four ingredients: N'alkyl dimethyl Benzyl Ammonium Chloride, within the range of 0.08 to 0.1 % by weight; b) citric acid, of about 20 % by weight of the total solution; c) propylene glycol (food grade), about 4 % by weight; and d) sodium hydroxide (food grade), in sufficient quantity to neutralize the solution to a pH range preferably between 2.6 and 4.5. During the initial clean-up steps, and contrarily to prior art cleaning methods, the cleaning method does not require complete purge of the inner water reservoir from drinking water, due to the tacky nature of the cleaning compound which can still be effective in diluted state and in a submerged environment.

Le composé de nettoyage pour rafraîchisseur d'eau potable comprend quatre ingrédients : du N-alkyldiméthyléthylbenzylammonium, dans une proportion de 0,08 à 0,1 % en poids; b) de l'acide citrique, à raison d'environ 20 % en poids de la solution totale; c) du propylèneglycol (de qualité alimentaire), à raison d'environ 4 % en poids; et d) de l'hydroxyde de sodium (de qualité alimentaire), dans une quantité suffisante pour neutraliser la solution pour obtenir un pH se situant de préférence dans une étendue de 2,6 à 4,5. Au cours des étapes de nettoyage initiales, et contrairement aux méthodes de nettoyage antérieures, la méthode de nettoyage ne nécessite pas la vidange complète du réservoir interne d'eau de boisson, en raison de la nature collante du composé de nettoyage qui peut tout de même être efficace à l'état dilué et dans un milieu submergé.

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