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Record 1 - external organization data 1997-12-22


Subject field(s)
  • Chemistry
  • Waste Management
  • Compartment - Canadian Nuclear Safety Commission

... AECB has endorsed on a case-by-case basis the disposal by commercial incineration of organic liquids contaminated with minor amounts of radionuclides, the disposal in industrial waste sites of certain process wastes containing naturally occurring radionuclides ...


During the process, chilled solvent is mixed with the sediments, and the sediment particles are then separated from the water, solvent, and organic liquid mixture. The liquid mixture is then heated to separate the water, reusable solvent, and an oily fraction that contains the organic contaminants in much higher concentrations, but in a much smaller volume compared to the original volume of sediment.


  • Chimie
  • Gestion des déchets
  • Tiroir - Commission canadienne de sûreté nucléaire

[...] la CCEA a [...] autorisé, après examen individuel de chaque cas, l'incinération commerciale de liquides organiques contaminés à faible teneur en radionucléides, le déversement de certains déchets de procédé contenant des radionucléides naturels dans des sites de déchets industriels [...]


Ces modèles doivent prendre en compte le caractère polyphasique de l'écoulement, c'est-à-dire les interactions entre les phases gazeuse, liquide organique et liquide aqueuse dans la zone non-saturée ainsi que le caractère hydrodispersif de la propagation de la pollution en zone saturée.


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