Commissariat a L'energie Atomique

Compagnie Generale Des Matieres Nucleaires

Areva Nc

Yvan Lallot

Sylvain Faure

Paul Fuentes

Bruno Fournel

The present invention relates to a vacuumable gel and the gel use to decontaminate surfaces, for example, radioactive decontamination. The gel is composed of a colloidal solution comprising:

Vacuumable gel for decontaminating surfaces and use thereof

The present invention related to a method for treating a surface with a gel, as well as to a treatment gel. The treatment may be a decontamination, etching or surface degreasing treatment, for example. The method comprises in this order, the following steps: applying the treatment gel on the surface to be treated, maintaining the treatment gel on the surface to be treated at a temperature and relative humidity such that the gel dries by breaking up and that it has the time to treat the surface before forming a dry and solid residue, and removing the dry and solid residue from the treated surface by suction or brushing. The gel comprises a viscosing agent, a treatment agent and optional an oxidizing agent.

Method for treating a surface with a treatment gel, and treatment gel

The present invention relates to a method for treating a surface with a gel, as well as to a treatment gel. The treatment may be a decontamination, etching or surface degreasing treatment, for example. The method comprises in this order, the following steps: applying the treatment gel on the surface to be treated, maintaining the treatment gel on the surface to be treated at a temperature and relative humidity such that the gel dries by breaking up and that it has the time to treat the surface before forming a dry and solid residue, and removing the dry and solid residue from the treated surface by suction or brushing. The gel comprises a viscosing agent, a treatment agent and optionally an oxidizing agent.

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Manosque, France

Yvan Lallot