Chlorine dioxide gel and associated methods
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United States of America Patent
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Jun 12, 2007
Grant Date -
Apr 14, 2005
app pub date -
Oct 9, 2003
filing date -
Oct 9, 2003
priority date (Note) -
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Abstract
A method of making a composition having the property of being able to store chlorine dioxide includes mixing an aqueous chlorine dioxide solution with a superabsorbent, water-soluble polymer that is substantially unreactive with chlorine dioxide and permitting a mixture formed thereby to form one of a gel and a solid composition. A method of delivering chlorine dioxide includes providing a gel or solid composition as described and degelling the gel or dissolving the solid composition to dispense the chlorine dioxide therefrom. A method of disinfecting a target such as water, wastewater, or a surface comprises delivering chlorine dioxide as above and permitting the polymer to precipitate out of the mixture. Aqueous chlorine dioxide is then recovered and applied to the target.
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