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Multi-stage ozone injection water treatment system



Multi-stage ozone injection water treatment system



Official Gazette of the United States Patent & Trademark Office Patents 1240(2), Nov 14



A two stage ozonation water purification system for eliminating deleterious pathogens from water includes: a first tank and a second tank; a conduit for delivering water to the first tank; a first ozone injection mechanism for injecting ozone into the water contained in the first tank for a first predetermined time period; a transfer conduit for transferring the water from the first tank to the second tank; and a second ozone injection mechanism for injecting ozone into the water contained in the second tank for a second predetermined time period. In one embodiment, the second tank is a dispensing tank including at least one outlet providing purified water for human consumption. Porous diffusion stones are disposed in the first and second tanks, the diffusion stones being in fluid communication with the first and second ozone injection mechanisms and providing optimal diffusion of ozone into the water contained in the first and second tanks. The first tank has a first volume, the second tank has a second volume, and the first volume is substantially smaller than the second volume.

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Accession: 035349578

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