Treatment of nuclear sludge

Details Treatment of nuclear sludge Treatment of nuclear sludge

C - Chemistry, Metallurgy

03

B

C03B 5/02 (2006.01) C03B 5/00 (2006.01) G21F 9/28 (2006.01)

Patent

CA 2674502

A method for treating nuclear sludge comprising subjecting the nuclear sludge to a plasma treatment in a plasma chamber to melt at least some of the inorganic components of the sludge, wherein the plasma chamber comprises a crucible having a cooled inner surface, this surface cooled sufficiently such that the inorganic components in contact with the inner surface are in a solid state and form a barrier between the part of surface of the crucible with which they are in contact and the molten inorganic components of the sludge.

L'invention concerne un procédé de traitement de boues nucléaires, qui consiste à : soumettre les boues nucléaires à un traitement au plasma dans une chambre à plasma afin de faire fondre au moins certains des composants inorganiques des boues, la chambre à plasma comprenant un creuset qui présente une surface intérieure refroidie, ladite surface étant refroidie suffisamment pour que les composants inorganiques en contact avec la surface intérieure soient dans un état solide et forment une barrière entre la partie de la surface du creuset avec laquelle ils sont en contact et les composants inorganiques fondus des boues.

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