Retention of radio-ruthenium in acid processing of nuclear waste

Details Retention of radio-ruthenium in acid processing of nuclear waste Retention of radio-ruthenium in acid processing of nuclear waste

1980-09-10

1989-07-25

Locker, Howard J.

Compositions

Radioactive compositions

110342, 252632, G21F 916, G21F 908, G21F 914, G21F 932

Patent

active

048511560

ABSTRACT:
Radioactive combustible waste can be processed with hot concentrated sulfuric acid and the resulting residue material immobilized in glass with retention of volatile radio-ruthenium, if present. In addition, the process features minimal material handling. The process combines a sulfuric acid digestion treatment of waste with a drying, desulfation, and glassification of the resulting acid residue into a non-dispersible solid of reduced volume. An optional ceramic product can be made without desulfation of the residue.

REFERENCES:
patent: 3120493 (1964-02-01), Clark et al.
patent: 3957676 (1976-05-01), Cooley et al.
patent: 4009990 (1977-03-01), Bonniaud et al.
patent: 4053432 (1977-10-01), Tiepel et al.
patent: 4202792 (1980-05-01), Kaufmann et al.
Wood et al., Inorganic Chemistry, Butterworths, London (1960).

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