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2024 ANS Annual Conference
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Fusion Science and Technology
Latest News
Glass strategy: Hanford’s enhanced waste glass program
The mission of the Department of Energy’s Office of River Protection (ORP) is to complete the safe cleanup of waste resulting from decades of nuclear weapons development. One of the most technologically challenging responsibilities is the safe disposition of approximately 56 million gallons of radioactive waste historically stored in 177 tanks at the Hanford Site in Washington state.
ORP has a clear incentive to reduce the overall mission duration and cost. One pathway is to develop and deploy innovative technical solutions that can advance baseline flow sheets toward higher efficiency operations while reducing identified risks without compromising safety. Vitrification is the baseline process that will convert both high-level and low-level radioactive waste at Hanford into a stable glass waste form for long-term storage and disposal.
Although vitrification is a mature technology, there are key areas where technology can further reduce operational risks, advance baseline processes to maximize waste throughput, and provide the underpinning to enhance operational flexibility; all steps in reducing mission duration and cost.
T. Terai, H. Nishimura, K. Yamaguchi, M. Yamawaki, A. Suzuki, T. Muroga, A. Sagara, O. Motojima
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 784-788
Chamber Technology | doi.org/10.13182/FST01-A11963334
Articles are hosted by Taylor and Francis Online.
Research results on corrosion behavior of Flibe (LiF-BeF2 molten salt) against structural materials are reviewed. Thermodynamic calculation and static experiment were carried out. It was found that some kinds of oxide films may work as a protective scale for ferritic steel. For V-based alloy, on the other hand, no stable oxide film can exist in the presence of Flibe. It was also found that Redox control might protect V-based alloy against corrosion.
