Process for treatment of radioactive waste

Details Process for treatment of radioactive waste Process for treatment of radioactive waste

1996-10-30

1998-04-28

Phasge, Arun S.

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Utilizing fused bath

205406, 205407, 205 43, 588 1, 588 20, 588204, C25B 116

Patent

active

057440204

ABSTRACT:
A process for treating a radioactive waste, includes drying a radioactive waste containing a radioactive substance(s) and a sodium compound(s), to convert it into a dried material, heating the dried material to convert it into a molten salt, and subjecting the molten salt to electrolysis using the salt as an anolyte and .beta.-alumina as a sodium ion-permeable membrane. This process can recover metallic sodium or sodium hydroxide, each of extremely low radioactivity from a radioactive waste containing a radioactive substance(s) and a sodium compound(s), at a high purity at a high current efficiency.

REFERENCES:
patent: 4041129 (1977-08-01), Foster et al.
patent: 4276145 (1981-06-01), Skala
patent: 4772449 (1988-09-01), Bones et al.
patent: 4956057 (1990-09-01), Stucki et al.
patent: 5434334 (1995-07-01), Lomasney et al.

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