Highly concentrated bromine compositions and methods of preparation
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United States of America Patent
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Nov 25, 2008
Grant Date -
Aug 24, 2006
app pub date -
Jan 27, 2006
filing date -
Jun 27, 2003
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Abstract
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.
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