Method and apparatus handling radioactive waste material

Details Method and apparatus handling radioactive waste material Method and apparatus handling radioactive waste material

G - Physics

21

F

G21F 9/04 (2006.01) G21F 9/06 (2006.01) G21F 9/12 (2006.01) G21F 9/22 (2006.01)

Patent

CA 2214904

In a method and an apparatus for dewatering and containing radioactive, aqueous waste (44), the latter is introduced into a filtration container (12) and is ultimately disposed of in a disposable container structure (12, 48, 50), which comprises the filtration container (12) holding the dewatered waste (44), as well as an outer container (50) enclosing the filtration container (12). The filtration container is an inner sack (12) having a bottom (13) which is provided with a straining cloth and through which essentially all the dewatering is carried out. After the dewatering operation has been completed, the inner sack (12) is sealed and placed in the outer container (50) in order to be ultimately disposed of. For purposes of cleaning, the filtration water (17) may be recirculated through the waste during the dewatering operation.

Dans un procédé pour égoutter et concentrer des déchets aqueux radioactifs (44), ces derniers sont introduit dans un récipient de filtration (12) et celui-ci est finalement entreposé dans une structure à usage unique (12, 48, 50) constituée du récipient de filtration (12) contenant les déchets (44) égouttés et d'un récipient externe (50) contenant le récipient de filtration (12). Le récipient de filtration est un sac interne (12) ayant un fond (13) qui est réalisé en un tissu filtrant qui permet d'effectuer l'essentiel de l'égouttage. Après l'égouttage, le sac interne (12) est fermé hermétiquement et placé dans le récipient externe (50) pour le stockage final. Pour améliorer l'épuration, l'eau de filtration (17) peut être recirculée dans les déchets durant l'égouttage.

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