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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Fusion Science and Technology
Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
H. Dworschak, G. Pierini, G. Peeters, E.F. Vansant, P. De Vievre
Fusion Science and Technology | Volume 8 | Number 2 | September 1985 | Pages 2202-2205
Blanket and Process Engineering | Proceedings of the Second National Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Dayton, Ohio, April 30 to May 2, 1985) | doi.org/10.13182/FST85-A24609
Articles are hosted by Taylor and Francis Online.
A flow sheet is presented for the isolation of pure hydrogen from the gas mixture generated by the well known water-gas shift reaction Separation of the resulting gas mixture is performed on three modified selective zeolite beds. In the first trap the small amount of unreacted water is absorbed by a zeolite with a controlled porosity; CO2 cannot be absorbed because of steric hindrance due to its kinetic diameter of 0.330 nm. However, it is absorbed in a second trap almost selectively with respect to CO. The latter is finally separated from H2 in a low temperature third trap. By applying a highly integrated flow pattern with extended recycling of regeneration process streams to the reactor, the only gaseous waste stream generated is CO2. It is anticipated that this process will demonstrate a high degree of reliability and efficiency with low secondary waste generation even for highly tritiated water, since the zeolites can be prepared with pore sizes “on request” and without hydrogen atoms in their structures avoiding therefore any isotopic exchange with tritium. The preparation of these zeolites as well as other materials is described.