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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
Latest News
ANS joins others in seeking to discuss SNF/HLW impasse
The American Nuclear Society joined seven other organizations to send a letter to Energy Secretary Christopher Wright on July 8, asking to meet with him to discuss “the restoration of a highly functioning program to meet DOE’s legal responsibility to manage and dispose of the nation’s commercial and legacy defense spent nuclear fuel (SNF) and high-level radioactive waste (HLW).”
Fuyumi Ito, Keiji Nagai, Mitsuo Nakai, Takayoshi Norimatsu
Fusion Science and Technology | Volume 49 | Number 4 | May 2006 | Pages 663-668
Technical Paper | Target Fabrication | doi.org/10.13182/FST06-A1183
Articles are hosted by Taylor and Francis Online.
We studied the gelation of an RF foam shell using a phase-transfer catalyst and density-match non-volatile silicon oil. A phase-transfe catalyst circumvent the problem of density-mismatch and achieve gelation at room temperature, by which the catalyst is contained in the outer oil (Oo) phase, and is then gradually transferred into the RF droplets. For the Oo phase, we used a nonvolatile silicon oil as a non-hazardous material instead of a toxic (mineral oil)/carbontetrachloride.Vigorous agitation conditions were optimized based on three experiments. An emulsion was produced using a droplet generator, and was injected into a drum containg a mixture of 0.39% acetic acid and silicon oil. The drum was rotated and its speed were increased to 95 rpm within 15 minutes. Five minutes later, the rotation speed was increased to 120 rpm (maximum rotation speed), which was maintained for 1 minute, there after reduced to 95 rpm for 39 minutes.