Ion exchange resin volume reduction

Details Ion exchange resin volume reduction Ion exchange resin volume reduction

1986-09-10

1988-08-09

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

Nuclear reactor fuel

100 38, 100 41, 100 92, 100 93R, 100 93P, 252628, 252629, 252631, 264 05, 2641761, 26417711, G21F 908, G21F 914

Patent

active

047626470

ABSTRACT:
A process is described for reducing the volume of spent ion exchange resins containing radioactive contaminants, and a filter aid having groups reactive with the functional groups of the resins. Spent ion exchange resin and the filter aid are dewatered, then subject to a pressure of about 2000 psi in conjunction with 250.degree. C. heat to reduce the volume occupied by the resin by up to a factor of 5 and impart rewet stability.

REFERENCES:
patent: 3679595 (1972-07-01), Dollgast
patent: 4252667 (1981-02-01), Stegmaier et al.
patent: 4268409 (1981-05-01), Ga et al.
patent: 4290907 (1981-09-01), Horiuchi et al.
patent: 4452733 (1984-06-01), Horiuchi et al.
patent: 4460500 (1984-07-01), Hultgren
patent: 4526712 (1985-07-01), Hirano et al.
patent: 4559170 (1985-12-01), Gay et al.
patent: 4636335 (1987-01-01), Kawamura et al.

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