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Fusion Science and Technology
Latest News
Take steps on SNF and HLW disposal
Matt Bowen
With a new administration and Congress, it is time once again to ponder what will happen—if anything—on U.S. spent nuclear fuel and high-level waste management policy over the next few years. One element of the forthcoming discussion seems clear: The executive and legislative branches are eager to talk about recycling commercial SNF. Whatever the merits of doing so, it does not obviate the need for one or more facilities for disposal of remaining long-lived radionuclides. For that reason, making progress on U.S. disposal capabilities remains urgent, lest the associated radionuclide inventories simply be left for future generations to deal with.
In March, Rick Perry, who was secretary of energy during President Trump’s first administration, observed that during his tenure at the Department of Energy it became clear to him that any plan to move SNF “required some practical consent of the receiving state and local community.”1
R. R. Paguio, J. F. Hund, B. E. Blue, D. G. Schroen, K. M. Saito, C. A. Frederick, R. J. Strauser, K. Quan
Fusion Science and Technology | Volume 55 | Number 4 | May 2009 | Pages 484-489
Technical Paper | Eighteenth Target Fabrication Specialists' Meeting | doi.org/10.13182/FST09-A7431
Articles are hosted by Taylor and Francis Online.
Single and double sapphire spheres have been precisely suspended in 300 mg/cm3 RF aerogels without a supporting stalk by modifying parameters such as gelation time and stability of the aerogel precursor solution and use of a vacuum holder for the sphere placement. A process for fabricating a single-sphere target was also developed using a spider silk support (approximately) 100 times thinner than the earlier work on similar targets. Characterization of the ball placement and the aerogel was done by radiography. Data from the characterization of these targets showed that the ball was accurately placed and the aerogel matrix was not significantly altered.
