Patent ID: 7662754

Claim:
Process for the radioactive decontamination of a surface, which involves bringing the surface to be decontaminated into contact with a foam prepared with an aqueous solution which comprises, per liter of solution: 0.2 to 2% by weight of a foaming organic surface-active agent or of a mixture of foaming surface-active agents, from 0.1 to 1.5% by weight of a gelling agent, wherein the gelling agent is an organic thickening agent exhibiting a rheological behaviour of pseudoplastic type, and, optionally, 0.2 to 7 mol of an inorganic acid or oxalic acid or inorganic base for radioactive decontamination or of a mixture of inorganic acids or inorganic acid(s) and oxalic acid or of inorganic bases for radioactive decontamination.