Method for thermal decomposition treatment of radioactive waste

Details Method for thermal decomposition treatment of radioactive waste Method for thermal decomposition treatment of radioactive waste

1989-06-08

1990-01-23

Locker, Howard J.

Compositions

Radioactive compositions

Nuclear reactor fuel

110237, 110259, 110342, 110345, 159 473, 159DIG12, 204 15, 21912116, 21912117, 252626, 373 29, 373 33, 373 34, 373 35, 373 36, C21F 908, C21F 914, C03B 5027, C03B 300

Patent

active

048956783

ABSTRACT:
A method for thermal decomposition treatment of a radioactive waste uses an apparatus comprising a container for holding molten matter of a radioactive waste containing a sodium compound, a pair of electrodes contacting the molten matter, and a power source for applying voltage between the electrodes while changing the polarity thereof every several tens of seconds. In this apparatus, the molten matter can be heated in the container by Joule heat, which is evolved by electric current directly flowed through the molten matter, so that the sodium compound contained in the radioactive waste can be decomposed, vaporized and removed to recover a stabilized radioactive solid as a residue in the container.

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