期刊
PROGRESS IN NUCLEAR ENERGY
卷 152, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnucene.2022.104315
关键词
Radioactive K-Basin waste; Immobilization; Magnesium potassium phosphate
资金
- U.S. Department of Energy Initiatives for Proliferation Prevention Program [ANL-T2-0248UA]
- Euratom research and training programme 2019-2020 [945098]
This paper evaluates the immobilization of Hanford K-Basin tank sludge in magnesium potassium phosphate ceramic forms. Two simulated non-radioactive sludge streams with distinct characteristics and composition were used to produce waste forms, which were then tested for mechanical properties, radiation stability, and leaching resistance. The leaching resistance of all waste forms was evaluated using the Product Consistency Test, the American Nuclear Society's ANS 16.1 test, and the Toxicity Characteristic Leaching Procedure.
This paper evaluates immobilization of Hanford K-Basin tank sludge in magnesium potassium phosphate ceramic forms. The waste forms were produced using two simulated non-radioactive sludge streams, each with distinct characteristics and composition. Ceramicrete with wollastonite as filler was used as the matrix for this purpose. The resulting waste forms were tested for their mechanical properties, radiation stability, and leaching resistance. In another series of tests, the samples were vitrified in borosilicate glass and glass waste forms were produced. The Product Consistency Test, the American Nuclear Society's ANS 16.1 test, and the Toxicity Characteristic Leaching Procedure, which are used to develop waste acceptance criteria in the United States for permanent storage of treated waste, were used for evaluation of the leaching resistance of all waste forms.
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