Method for cleaning surfaces,metallic surfaces in particular
OwnerFranck Rouppert, Christophe Largeron +1inventors
InventorsFranck Rouppert, Christophe Largeron, Annie Rivoallan
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Abstract
This invention relates to a process for cleaning surfaces, notably metal surfaces. The process for cleaning a surface on which chemical species Z are fixed via adsorption or chemisorption, is characterised, in that the surface is put into contact with an aqueous solution capable of shifting the adsorption or chemisorption balance of, the chemical species Z to bring them into the aqueous solution, and the aqueous solution comprising chemical species Z is separated from the thus cleaned surface. It applies to the decontamination of stainless steel surfaces contaminated with caesium via an acidic aqueous solution with a pH of 2 to 4.
Claims11
Process for cleaning a surface, on which chemical species Z are fixed via adsorption or chemisorption, characterised in that the surface is put into contact with an aqueous solution capable of shifting the adsorption or chemisorption balance of the chemical species Z to bring them into the aqueous solution, and the aqueous solution comprising the chemical species Z is separated from the thus cleaned surface.
Dependencies are inferred from the claim text.