Method of utilizing contaminated metal parts

Details Method of utilizing contaminated metal parts Method of utilizing contaminated metal parts

G - Physics

21

F

G21F 9/34 (2006.01)

Patent

CA 2238188

The invention concerns a method of utilizing radioactively contaminated metal parts, wherein the metal parts are melted and a slag-forming agent is then added such that a melt and a slag are formed. The slag is then separated from the melt, with the contaminated substances located in the slag. According to the invention, concrete parts are added as the slag-forming agent. The concrete parts can be obtained from concrete debris, in particular contaminated concrete debris, and be granulated or ground before being added to the melt.

L'invention concerne un procédé d'utilisation de pièces métalliques contaminées par radioactivité, selon lequel les pièces métalliques sont fondues, puis un fondant de scorification est ajouté, de manière à produire une matière fondue et un laitier. Le laitier est ensuite séparé de la matière fondue. Les substances contaminées se trouvent dans le laitier. Il est prévu d'utiliser comme fondant de scorification des morceaux de béton pouvant être issus de gravats de béton, notamment de gravats de béton contaminés et pouvant faire l'objet d'une granulation ou d'un broyage avant leur adjonction.

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