Strontium and Actinide Separations from High Level Nuclear Waste Solutions using Monosodium Titanate - Actual Waste Testing Page: 2 of 33
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WSRC-MS-2005-00361
Revision 0
STRONTIUM AND ACTINIDE SEPARATIONS FROM HIGH
LEVEL NUCLEAR WASTE SOLUTIONS USING MONOSODIUM
TITANATE 2. ACTUAL WASTE TESTING
T. B. Peters, M. J. Barnes, D. T. Hobbs,* D. D. Walker, F. F. Fondeur, M. A. Norato, R.
L. Pulmano, and S. D. Fink, Savannah River National Laboratory, Westinghouse
Savannah River Company, Aiken, SC 29808
* corresponding author: david.hobbs@srnl.doe.gov
ABSTRACT
Pretreatment processes at the Savannah River Site will separate 90Sr, alpha-emitting and
radionuclides (i.e., actinides) and mCs prior to disposal of the high-level nuclear waste.
Separation of 90Sr and alpha-emitting radionuclides occurs by ion exchange/adsorption
using an inorganic material, monosodium titanate (MST). Previously reported testing
with simulants indicates that the MST exhibits high selectivity for strontium and actinides
in high ionic strength and strongly alkaline salt solutions. This paper provides a
summary of data acquired to measure the performance of MST to remove strontium and
actinides from actual waste solutions. These tests evaluated the effects of ionic strength,
mixing, elevated alpha activities, and multiple contacts of the waste with MST. Tests
also provided confirmation that MST performs well at much larger laboratory scales (3001
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HOBBS, DAVID. Strontium and Actinide Separations from High Level Nuclear Waste Solutions using Monosodium Titanate - Actual Waste Testing, article, November 1, 2005; [Aiken, South Carolina]. (https://digital.library.unt.edu/ark:/67531/metadc874352/m1/2/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.