Preparation of radioactive ion-exchange resin for its storage or

Details Preparation of radioactive ion-exchange resin for its storage or Preparation of radioactive ion-exchange resin for its storage or

1994-10-24

1996-08-13

Mai, Ngoclan

Hazardous or toxic waste destruction or containment

Destruction or containment of radioactive waste

Chemical conversion to a stable solid for disposal

588 20, 210751, 976DIG381, 976DIG383, 976DIG384, G21F 900

Patent

active

055457983

ABSTRACT:
A practical method is described for preparation of radioactive ion-exchange resin for its disposal after the ion-exchange resin has become radioactive in the process of decontaminating radioactive water. Substantially nonradioactive material, which has been derived from the radioactive ion-exchange resin can be disposed of conventionally. The concentration allows corollary reduction of the volume of radioactive waste which must be handled in very costly ways. The radioactive ion-exchange resin and materials that react with the radioactive decaying atoms are heated under controlled atmospheres to (i) form nonvolatile chemicals that hold the decaying atoms, and (ii) under controlled conditions, depolymerize, vaporize, pyrolize, and otherwise decompose and remove nonradioactive components of the ion-exchange resin from the radioactive decaying atoms.

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patent: 4834915 (1989-05-01), Magnin et al.

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