Characterization of TMI-type wastes and solid products

Conference · Sat Jan 01 00:00:00 EST 1983

OSTI ID:5673352

Swyler, K J; Dodge, C E; Dayal, R

Self-irradiation from sorbed radionuclides may affect properties of radwaste containing organic ion-exchange resins. Effects of gamma irradiation on cation (Amberlite IRN-77), anion (Amberlite IRN-78) and mixed bed (Amberlite IRN-150) resins have been studied under conditions relevant to radwaste management. Sulfate ion is produced by the radiolytic scission of the cation resin functional group. Sulfate yields are not strongly dependent on pH conditions, resin chemical loading, or radiation dose rate, although radiation damage is reduced in dried resins. Acidity resulting from a given sulfate yield does depend on resin counter-ion loading; mechanisms are considered. In particular for heavy irradiation doses, use of cation and anion resin in a mixed bed does not prevent radiolytic acid formation. Irradiated anion resin may also release free liquid. The significance of these and other radiolysis effects in radwaste generated under off-normal conditions is discussed.

• Research Organization: Brookhaven National Lab., Upton, NY (USA)
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 5673352
• Report Number(s): BNL-NUREG-33618; CONF-8308106-6; ON: DE83018291
• Resource Relation: Conference: 5th. annual participants information meeting of DOE low level waste management program, Denver, CO, USA, 30 Aug 1983
• Country of Publication: United States
• Language: English

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