Patent ID: 6117248
Filing Date: 2000-09-12
Classification: G21F

Abstract:
A method of cleaning a material contaminated with radioactive substances comprising the steps of:(1) inserting said contaminated material into a container having one or more apertures;(2) placing the container and te material into a rotatable vessel having one or more apertures;(3) subjecting the contaminated material to a leaching cycle comprising supplying a leaching liquid to inside of said vessel and rotating said vessel whereby said leaching liquid mixes with the contaminated material to dissolve the radioactive substances;(4) terminating the rotation of said vessel and discharging the leaching liquid therefrom; and then(5) subjecting the leached material to a washing cycle comprising supplying a washing liquid to inside of the vessel and rotating said vessel to enable the washing liquid to mix with the material;(6) terminating the rotation of the vessel; and then(7) discharging the washing liquid therefrom.