Embedding in thermosetting resins
Description
Medium activity waste coming either from nuclear power plants in operation such as evaporator concentrates, spent resins, filter cartridges or the dismantling of installations are embedded in order to obtain a product suitable for long term disposal. Embedding in thermosetting resins (polyester or epoxy) is one among currently used techniques; it is being developed by the CEA (Commissariat a l'Energie Atomique) and Technicatome (subsidiary of CEA and EDF). The process is easy to operate and yields excellent results particularly as far as volume reduction and radioelement containment (cesium particularly) are concerned. The process has already been in operation in four stationary plants for several years. Extension of the process to mobile units has been completed by Technicatome in collaboration with the CEA
Abstract (French)
Les dechets de moyenne activite produits par les centrales nucleaires (concentrats d'evaporateurs, resines usees, cartouches de filtres) ou par le demantelement d'installations sont enrobes dans le but d'obtenir un produit acceptable pour un stockage a long terme. Parmi les techniques couramment utilisees il y a le procede d'enrobage dans les resines thermodurcissables (polyester, epoxy) qui est developpe par le CEA et Technicatome. Ce procede aise a mettre en oeuvre donne d'excellents resultats en particulier en matiere de reduction de volume et de confinement des radioelements (cesium notamment). Il est deja utilise depuis quelques annees dans quatre installations fixes. L'extension de ce procede a des unites mobiles a ete realisee par Technicatome en collaboration avec le Commissariat a l'Energie Atomique (CEA)Additional details
Additional titles
- Original title (French)
- Enrobage dans les resines thermodurcissables
Publishing Information
- Publisher
- Commissariat a l'Energie Atomique.
- Imprint Place
- Saclay (France)
- Imprint Title
- Radioactive waste management decommissioning spent fuel storage. V. 2. Waste processing and conditioning
- Imprint Pagination
- 284 p.
- Journal Page Range
- p. 144-163.
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 17023183
- Subject category
- S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Descriptors DEI
- ENCAPSULATION; EPOXIDES; INTERMEDIATE-LEVEL RADIOACTIVE; POLYESTERS; RADIOACTIVE WASTE PROCESSING; RESINS
- Descriptors DEC
- ESTERS; MANAGEMENT; MATERIALS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; ORGANIC POLYMERS; POLYMERS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; WASTE MANAGEMENT; WASTE PROCESSING; WASTES
Optional Information
- Notes
- Imprint:Gestion des dechets radioactifs, declassement et demantelement, entreposage des combustibles irradies. V. 2. Traitement et conditionnement des dechets.