Journal
ATALANTE 2012 INTERNATIONAL CONFERENCE ON NUCLEAR CHEMISTRY FOR SUSTAINABLE FUEL CYCLES
Volume 7, Issue -, Pages 604-609Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.proche.2012.10.092
Keywords
vitrification; borosilicate glass; platinum group metal; highly radioactive liquid waste; palladium
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Funding
- Japan Society for the Promotion of Science [23686136]
- Grants-in-Aid for Scientific Research [23686136] Funding Source: KAKEN
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To clarify the dissolving behavior of palladium, the effect of temperature on the amount of palladium dissolved in borosilicate glass was investigated. Glass and palladium oxide, selected as a starter material, were mixed and heated at prescribed temperature. The amount of dissolved palladium became higher with temperature increasing up to 850 degrees C, and lower above 850 degrees C. Above 850 degrees C, the reduction of palladium oxide was accelerated. For palladium dissolution in borosilicate glass, not only the viscosity and basicity of the glass but also the decomposition temperature of the initial palladium species seemed to affect the amount of palladium dissolved in glass. (C) 2012 Elsevier B.V...Selection and/or peer-review under responsibility of the Chairman of the ATALANTE 2012 Program Committee
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