G - Physics – 21 – F
Patent
G - Physics
21
F
18/958
G21F 9/04 (2006.01)
Patent
CA 1076766
Abstract of the Disclosure A remotely operated, fully automated, fluidized bed system for converting dilute or concentrated low-level nuclear power plant waste evaporator liquor into conveniently handled, anhydrous solids, reusable water, and innocuous gases. The apparatus of the system includes a pre-concentrator, a processor having a fluid bed, and a packaging unit. In the processing unit, liquid wastes are calcined and reduced in volume to dry particulate material. In the packaging unit, the dry wastes are placed in packages and the spaces between the particles in each package are filled with a solidifying agent to cause the packaged contents to be converted to a monolithic block having a volume of approximately 10% of that of the liquid wastes from which the waste solids in the block were derived. The effluent from the processing unit can be treated to form reusable water and innocuous gases. This invention relates to improvements in the disposal of low-level liquid radioactive wastes from nuclear power plant facilities and the like and, more particularly, to an improved process and apparatus for reducing the volume of such wastes and for packaging the same as a monolithic solid block.
207793
Anderson Roger E.
Vander Wall Eugene M.
White Leslie E.
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