A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 25/02 (2006.01) A01N 25/08 (2006.01)
Patent
CA 2530802
Liquid and solid bromine-containing compositions are described. A liquid mixed halogen composition is also described. The highly concentrated liquid compositions and the high-activity solid compositions have excellent physical and chemical stability. The compositions are effective biocides in water treatment. Methods of preparing the compositions are also disclosed. These include combining a bromine compound in the oxidation state of -1 with hydrogen peroxide and a complexing agent followed by the addition of an alkaline source. The methods may further include the use of a solid organic or solid inorganic halogenating agent, conducting a solid-liquid separation, and adding an alkaline source.
L'invention concerne des compositions liquides et solides contenant un bromure. L'invention concerne également une composition halogène mélangée liquide. Les compositions liquides haute concentration et les compositions solides haute activité ont une excellente stabilité physique et chimique. Ces compositions sont d'efficaces biocides dans le traitement de l'eau. L'invention concerne également des procédés de préparation de ces compositions. Ces procédés comportent l'association d'un composé bromure à l'état d'oxydation de -1 avec du peroxyde d'hydrogène et un agent complexant suivi de l'addition d'une source alcaline. Eventuellement, ces procédés comportent l'utilisation d'un agent d'halogénation organique solide ou inorganique solide, une séparation solide-liquide et l'addition d'une source alcaline.
Harvey Michael S.
Howarth Jonathan N.
Enviro Tech Chemical Services Inc.
Ridout & Maybee Llp
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