G - Physics – 21 – F
Patent
G - Physics
21
F
G21F 9/30 (2006.01) B09B 3/00 (2006.01) C04B 18/04 (2006.01) C04B 28/34 (2006.01) G21F 9/34 (2006.01)
Patent
CA 2315919
The invention concerns a method for packaging industrial, in particular radioactive, waste in apatite ceramics, which consists in preparing a homogeneous mixture of powders capable of forming an apatite matrix, in introducing the waste in said mixture, in compacting it under pressure from 100 to 500 MPa at room temperature, and in subjecting it to hydrothermal treatment at low temperature (100 to 500 DEG C), in the presence of water, in a sealed chamber.
L'invention concerne un procédé de conditionnement de déchets industriels, notamment radioactifs, dans des céramiques apatitiques. Ce procédé consiste à préparer un mélange homogène de poudres capable de former une matrice apatitique, à introduire le déchet dans ce mélange, à le compacter sous une pression de 100 à 500 MPa à la température ambiante, et à le soumettre à un traitement hydrothermal à basse température (100 à 500 ° C), en présence d'eau, dans une enceinte étanche.
Carpena Joelle
Dechambre Gerard
Donazzon Benoit
Lacout Jean-Louis
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