Method and apparatus for direct conversion of uranium hexafluori

Details Method and apparatus for direct conversion of uranium hexafluori Method and apparatus for direct conversion of uranium hexafluori

1998-09-15

2000-10-24

Dunn, Tom

Chemistry of inorganic compounds

Radioactive

Uranium compound

423258, 423261, 422141, 422142, 422145, C01G 4306

Patent

active

061362859

ABSTRACT:
The conversion apparatus comprises in succession: a reactor provided with injectors of UF.sub.6, steam, and nitrogen so as to cause UO.sub.2 F.sub.2 to be formed by hydrolysis; a rotary tubular pyrohydrolysis furnace for transforming UO.sub.2 F.sub.2 into uranium oxide, and provided with heaters distributed in at least five zones; and a tail end for conditioning the oxide powder. The injectors comprise three concentric nozzles connected respectively to inlets for UF.sub.6, nitrogen, and steam, UF.sub.6 being fed to the central nozzle and nitrogen being injected between UF.sub.6 and steam.

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