Method of water purification with oxides of chlorine
AssigneeFountainhead Technologies, Inc.
InventorsJohn D. Rafter, Joseph W. Grenier, Raymond P. Denkewicz, Jr.
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Abstract
A method of purifying water includes contacting water containing an oxide of chlorine, such as chlorine dioxide, chlorite, or chlorate, with a water purification composition that includes a Group 11 or Group 12 metal such as silver, copper, or zinc.
Claims28
A method of purifying water comprising contacting water containing an oxide of chlorine selected from the group consisting of chlorine dioxide, chlorite, and chlorate, with a water purification composition comprising a Group 1 1 or Group 12 metal.
A method of purifying water comprising:
- adding an oxide of chlorine selected from the group consisting of chlorine dioxide, chlorite salts, and chlorate salts to the water;
- and
- contacting the water with a water purification composition comprising a Group 11 or Group 12 metal.
A method of purifying water comprising the steps of:
- adding an oxide of chlorine selected from the group consisting of chlorine dioxide, chlorite salts, and chlorate salts to water;
- adding a peroxygen compound or a halogen to the water;
- and
- contacting the water with a water purification composition comprising a Group 11 or Group 12 metal.
Dependencies are inferred from the claim text.