Process for the immobilization of ion exchange resins originatin

Details Process for the immobilization of ion exchange resins originatin Process for the immobilization of ion exchange resins originatin

1988-02-16

1989-05-30

Kyle, Deborah L.

Compositions

Radioactive compositions

G21F 916

Patent

active

048349151

ABSTRACT:
The present invention relates to a process for the immobilization of ion hange resins originating from the secondary circuits of pressurized water nuclear reactors and gas-cooled graphite-moderated reactors, wherein the ion exchange resins are saturated with a base, preferably sodium hydroxide, under conditions such that the pH of the medium is greater than about 9 and such as to favor the release of ammonia, after which the said resins are concreted with a hydraulic binder.

REFERENCES:
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patent: 4122048 (1978-10-01), Buchwalder et al.
patent: 4293437 (1981-10-01), Taponier et al.
patent: 4500449 (1985-02-01), Kuhnke et al.
patent: 4530723 (1985-07-01), Smeltzer et al.
patent: 4663086 (1987-05-01), Lefillatre
patent: 4710318 (1987-12-01), Horiuchi et al.
patent: 4732705 (1988-03-01), Laske et al.
patent: 4770783 (1988-09-01), Gustavsson et al.

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