Enhanced iodine treatment of drinking water

Details Enhanced iodine treatment of drinking water Enhanced iodine treatment of drinking water

2005-03-08

2005-03-08

Hartley, Michael G. (Department: 1616)

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Elemental iodine or iodine compound

C210S660000, C210S681000, C210S683000, C210S753000, C210S754000, C422S028000, C422S030000, C422S031000, C422S037000, C422S139000, C422S140000, C422S141000, C422S142000, C514S557000, C514S574000

Reexamination Certificate

active

06863905

ABSTRACT:
A mixed bed of iodine source/iodine capture resin provides high flow rates that are useful for treatment of water. The ratio of source/capture resin can be adjusted to meet the goals of the system. If insufficient iodine is being provided, the source resin amount can be increased relative to the capture resin. If excess iodine or iodide are found in the treated water, the capture resin amount can be increased relative to the source resin. The release of iodine from the source resin and its effectiveness can be significantly enhanced by using a mixed bed system in which one or both of the source and the capture ion exchange resins have had their exchange sites saturated with the anion of an organic acid such as citrate and/or isocitrate. This significantly increases the amount of iodine released into aqueous solution and enhances the disinfecting power of that iodine.

REFERENCES:
patent: 6045787 (2000-04-01), Shanbrom

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