Uranium dioxide electrolysis

Details Uranium dioxide electrolysis Uranium dioxide electrolysis

2005-08-24

2009-12-29

Ryan, Patrick (Department: 1795)

Electrolysis: processes, compositions used therein, and methods

Electrolytic process involving actinide series elements or...

Uranium

C204S243100, C204S244000, C204S247000, C205S043000

Reexamination Certificate

active

07638026

ABSTRACT:
This is a single stage process for treating spent nuclear fuel from light water reactors. The spent nuclear fuel, uranium oxide, UO2, is added to a solution of UCl4dissolved in molten LiCl. A carbon anode and a metallic cathode is positioned in the molten salt bath. A power source is connected to the electrodes and a voltage greater than or equal to 1.3 volts is applied to the bath. At the anode, the carbon is oxidized to form carbon dioxide and uranium chloride. At the cathode, uranium is electroplated. The uranium chloride at the cathode reacts with more uranium oxide to continue the reaction. The process may also be used with other transuranic oxides and rare earth metal oxides.

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