Abstract:
METHODS ARE DISCLOSED FOR ELIMINATING CARBON FROM NUCLEAR FUEL ELEMENTS IN THE REPROCESSING THEREOF IN A CLOSED SYSTEM. IN ONE EMBODIMENT, THE CARBON IS REACTED WITH CARBON DIOXIDE TO FORM CARBON MONOXIDE IN AN ATTACK ZONE WHICH IS MAINTAINED AT A TEMPERATURE OF ABOUT 1000*C., THE CARBON MONOXIDE IS THEN CAUSED TO FLOW TO A REGENERATION ZONE WHICH IS MAINTAINED AT A LOWER TEMPERATURE SO THAT A REVERSE REACTION OCCURS WHICH CONVERTS THE CARBON MONOXIDE INTO CARBON DIOXIDE AND REGENERATED CARBON, THE CARBON DIOXIDE FLOWS BACK TO THE ATTACK ZONE LEAVING THE REGENERATED CARBON BEHIND IN THE REGENERATION ZONE.