Disposal method of radioactive wastes

Details Disposal method of radioactive wastes Disposal method of radioactive wastes

1991-02-26

1993-04-13

Hunt, Brooks H.

Compositions

Radioactive compositions

Nuclear reactor fuel

252626, 210751, 210754, 210757, 423 17, 423166, 423186, 423189, 423190, G21F 912

Patent

active

052020622

ABSTRACT:
The present invention adds carbonates or chlorides of alkaline earth metals to the radioactive wastes containing sodium sulfate and subjects sulfate group in the radioactive wastes to reduction treatment, thereby converts the sulfate group into sulfides of alkaline earth metals which are chemically stable substances while suppressing SOx generation, and solidifies the radioactive wastes stably for an extended period of time by applying to the converted radioactive wastes solidifying treatment.

REFERENCES:
patent: 3962080 (1976-06-01), Dulin et al.
patent: 4361505 (1982-11-01), Kikuchi et al.
patent: 4581162 (1986-04-01), Kawamura et al.
patent: 4671897 (1987-06-01), Mori et al.
patent: 4775495 (1988-10-01), Izumida et al.
patent: 4804498 (1989-02-01), Mizumo et al.

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