Method of chemical decontamination and system therefor

Details Method of chemical decontamination and system therefor Method of chemical decontamination and system therefor

G - Physics

21

F

G21F 9/28 (2006.01) G21F 9/00 (2006.01)

Patent

CA 2284320

A chemical decontamination method and a chemical decontaminating system for chemically decontaminating radioactive nuclides from a metallic material surface contaminated by the radioactive nuclides. The method comprises the steps of reductive decontamination using a reductive decontaminating agent containing at least two kinds of components followed by decomposition of the reductive decontaminating agent using a decomposing apparatus for decomposing at least two kinds of chemical substances in the reductive decontaminating agent. In addition, the present invention further provides a method of chemical decontamination which moderates corrosion of material by using a chemical decontaminating agent decomposing apparatus capable of decomposing not only the components trapped by the cation exchange resin but also components trapped by an anion exchange resin at a time. A chemical decontaminating system comprising a catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus is also provided.

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