Method for immobilizing radioactive iodine

Details Method for immobilizing radioactive iodine Method for immobilizing radioactive iodine

1978-12-04

1980-10-21

Kyle, Deborah L.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

106 63, 106 69, 423249, 423328, G21F 916

Patent

active

042293170

ABSTRACT:
Radioactive iodine, present as alkali metal iodides or iodates in an aqueous solution, is incorporated into an inert solid material for long-term storage by adding to the solution a stoichiometric amount with respect to the formation of a sodalite (3M.sub.2 O.3Al.sub.2 O.sub.3. 6SiO.sub.2.2MX, where M=alkali metal; X=I.sup.- or IO.sub.3.sup.-) of an alkali metal, alumina and silica, stirring the solution to form a homogeneous mixture, drying the mixture to form a powder, compacting and sintering the compacted powder at 1073 to 1373 K (800.degree. to 1100.degree. C.) for a time sufficient to form sodalite.

REFERENCES:
patent: 4020147 (1977-04-01), Shidlovsky
patent: 4028265 (1977-06-01), Barney et al.
Barrer et al., "Chemistry of Soil Minerals," J. Chem. Soc. (A), 1970, pp. 1516-1523.

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