Potassium ferrate decontamination process

Details Potassium ferrate decontamination process Potassium ferrate decontamination process

G - Physics

21

F

149/9

G21F 9/00 (2006.01)

Patent

CA 1217412

ABSTRACT In the method of decontaminating a corroded metallic surface in a water-containing system of a nuclear reactor by contacting the surface with an aqueous decontaminating solution, for example a citrox reagent in solution, for dissolving and removing metallic oxides therefrom, the surface is first treated by reacting the corrosion layer with an aqueous solution of potassium ferrate which oxidizes insoluble oxides in the layer to a soluble, higher oxidation state to facilitate their removal by the decontaminating solution.

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