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Performance testing of grout-based waste forms for the solidification of anion exchange resins [electronic resource].

Published:
Washington, D.C. : United States. Office of the Assistant Secretary for Nuclear Energy, 1990.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: (18 pages) : digital, PDF file
Additional Creators:
Oak Ridge National Laboratory, United States. Office of the Assistant Secretary for Nuclear Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The solidification of spent ion exchanges 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. Described in this paper is one possible solution to preserving the integrity of these solidified waste forms: the encapsulation of beaded anion exchange resins in grout formulations containing ground granulated blast furnace slag, Type I-II (mixed) portland cement, and additives (clays, amorphous silica, silica fume, and fly ash). The results of the study reported herein show the cured waste form tested has a low leach rate for nitrate ion from the resin (and a low leach rate is inferred for Tc-99) and acceptable durability as assessed by the water immersion and freezing/thawing test protocols. The results also suggest a tested 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. 26 refs., 4 figs., 5 tabs.
Report Numbers:
E 1.99:k/qt-382
k/qt-382
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
10/01/1990.
"k/qt-382"
"DE91001314"
Bostick, W.D.; Morgan, I.L.
Funding Information:
AC05-84OT21400
View MARC record | catkey: 14361199