Process for the treatment of nuclear targets and/or fuels based

Details Process for the treatment of nuclear targets and/or fuels based Process for the treatment of nuclear targets and/or fuels based

1996-09-17

1997-11-11

Mai, Ngoclan

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 20, 976DIG278, C22B 6000

Patent

active

056860528

ABSTRACT:
The invention relates to a process for the processing of nuclear targets and/or fuels based on metallic aluminium by dissolving with the aid of aqueous tetramethylammonium hydroxide (TMAOH) solutions.
Dissolving can consist of a total dissolving in a single stage of the core and the can of the nuclear fuel by TMAOH or a decanning of the can by TMAOH, followed by a nitric dissolving of the core. The use of TMAOH eliminates the disadvantages associated with dissolving in a concentrated nitric or sodium medium and decanning with soda and in particular permits the easy vitrification of the effluents produced by the process.

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