Caractérisation rhéologique et structurale de gels colloïdaux utilisés pour la décontamination nucléaire

Abstract : During the exploitation of a nuclear plant, or all other installation which uses radioactive materials, maintenance tasks or decommissioning operations are mandatory in order to preserve people health and environment. Among existing processes, decontaminating gels have been development by CEA in order to overcome the drawbacks of the traditionally used methods. These colloidal gels were originally formulated in an empirical way; however, the knowledge of their structures is important as it rules all the rheological behaviors of the material. The way these gels flow is an important parameter to the process and our laboratory measurements can be transposed to the industrial world. Moreover, other composition refinements have been developed in order to extend their field of use and efficiency
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Romain Castellani. Caractérisation rhéologique et structurale de gels colloïdaux utilisés pour la décontamination nucléaire. Autre. Université de Lorraine, 2013. Français. ⟨NNT : 2013LORR0123⟩. ⟨tel-01750115⟩

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