Method of removing foulants from ion exchange resins
AssigneeThe United States of America as represented by the Secretary of the Army
InventorDaniel G. Marsh
Life of this patent
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Abstract
Foulants are removed from ion exchange resins by treating the foulant coa ion exchange resin with a weak aqueous solution of a compound that quickly decomposes the foulants.
Claims7
Method of removing foulants from ion exchange resins in situ consisting of treating the foulant coated resin with a less than 10 percent aqueous solution of a mild oxidizing compound selected from the group consisting of hydrogen peroxide, ozone and sodium peroxide.
Method of removing photographic waste water foulants from an anion exchange column, said method consisting of adding a three percent aqueous solution of hydrogen peroxide to the column and removing the reaction products from the column.
Dependencies are inferred from the claim text.