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US Patent 7488457 Systems and methods for generating chlorine dioxide

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7488457
Date of Patent
February 10, 2009
Patent Application Number
10683056
Date Filed
October 10, 2003
Patent Primary Examiner
‌
Jennifer A Leung
Patent abstract

Processes for generating chlorine dioxide generally include acidifying an alkali metal chlorite solution; and contacting the acidified alkali metal chlorite solution with a solid phase chlorine containing material to produce chlorine dioxide. An exemplary system for generating chlorine dioxide generally includes a water source in fluid communication with a conduit that is fluidly connected to a vessel, wherein the vessel comprises a housing, an inlet in fluid communication with the housing and the conduit, an outlet, and a solid phase chlorine containing material disposed within the housing; an acid source downstream from the water source in fluid communication with the conduit; and a chlorite ion source in fluid communication with the conduit downstream from the acid source. Various means are provided for the acid source.

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