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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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NRC approves V.C. Summer’s second license renewal
Dominion Energy’s V.C. Summer nuclear power plant, in Jenkinsville, S.C., has been authorized to operate for 80 years, until August 2062, following the renewal of its operating license by the Nuclear Regulatory Commission for a second time.
Yasuhisa Oya, Misaki Sato, Hiromichi Uchimura, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yuji Hatano, Kenji Okuno
Fusion Science and Technology | Volume 67 | Number 3 | April 2015 | Pages 515-518
Proceedings of TRITIUM 2013 | doi.org/10.13182/FST14-T68
Articles are hosted by Taylor and Francis Online.
The effect of carbon implantation for the dynamic recycling of deuterium, which demonstrates tritium recycling, including retention and sputtering, was investigated using in-situ sputtered particle measurements. The C+ implanted W, WC and HOPG were prepared and dynamic sputtered particles were measured during H2 + irradiation. It was found that the major hydrocarbon species for C+ implanted tungsten was found to be CH3, although those for WC and HOPG were CH4. The chemical state of hydrocarbon is controlled by the H concentration in a W-C mixed layer. The amount of C-H bond and the retention of H trapped by carbon atom should control the chemical form of hydrocarbon sputtered by H2+ irradiation and the desorption of CH3 and CH2 was due to chemical sputtering, although that for CH was physical sputtering. The activation energy for CH3 desorption was estimated to be 0.4 eV, corresponding to the trapping process of hydrogen by carbon through the diffusion in W. It was concluded that the chemical states of hydrocarbon sputtered by H2+ irradiation for W was determined by the amount of C-H bond on the W surface.