METHOD TO INHIBIT GROWTH OF MICROORGANISMS IN AQUEOUS SYSTEMS AND ON SUBSTRATES USING PERSULFATE AND A BROMIDE
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Mar 23, 2007
filing date -
Mar 23, 2007
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Abandoned
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Abstract
The invention is a method to inhibit the growth of at least one microorganism in an aqueous system capable of supporting such growth. This includes controlling, and preferably preventing, slime formation in the aqueous system. The method mixes a persulfate salt, a bromide salt, and water under conditions sufficient to form an active bromine-containing, [Br.sup.+], solution and then adds an effective amount of the active bromine-containing solution to an aqueous system to inhibit the growth of at least one microorganism in the aqueous system. Also, the invention is a method to inhibit the growth of at least one microorganism on a substrate capable of supporting such growth. The method contacts the substrate with an effective amount of active bromine-containing solution to inhibit the growth of at least one microorganism on the substrate. Combining an amine source with the persulfate salt and bromide salts generates an active bromine-containing solution which also contains bromamines.
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