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Grout-based waste forms for the solidification of anion-exchange resins

Technical Report ·
OSTI ID:6085702
; ; ;

The solidification of spent ion exchange resins in a grout matrix as a means of disposing of spent organic resins produced in the nuclear fuel cycle has many advantages in terms of process simplicity and economy, but associated with the process is the potential for water/cement/resins to interact and degrade the integrity of the waste form solidified. Summarized in this document are the results of our previous investigation{sup 1} along with new results on the encapsulation of beaded anion-exchange resins in grout formulations containing ground, granulated blast furnace slag; Type 1-2 (mixed) portland cement; and additives (clays, amorphous silica, silica fume, and fly ash). The results of the studies show that the cured waste forms tested have a low leach rate for nitrate ions from the resin, a very low leach rate for {sup 99}{Tc}, and acceptable durability. The results also suggest that a surrogate waste form prepared in vinyl ester styrene binder performs satisfactorily against the wetting/drying criterion, and it should offer additional insight into future work on the solidification of spent organic resins.

Research Organization:
Oak Ridge K-25 Site, TN (United States)
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC05-84OT21400
OSTI ID:
6085702
Report Number(s):
K/TCD-1004; ON: DE92005098
Country of Publication:
United States
Language:
English

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Related Subjects

052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DISSOLUTION
DOCUMENT TYPES
GROUTING
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ION EXCHANGE MATERIALS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEACHING
MANAGEMENT
MATERIALS
NITRATES
NITROGEN COMPOUNDS
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
PERFORMANCE TESTING
PHASE TRANSFORMATIONS
PROGRESS REPORT
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE MANAGEMENT
RADIOISOTOPES
SEPARATION PROCESSES
SOLIDIFICATION
TECHNETIUM 99
TECHNETIUM ISOTOPES
TESTING
WASTE DISPOSAL
WASTE FORMS
WASTE MANAGEMENT
YEARS LIVING RADIOI