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Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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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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.”
Michael A. Vest, Gerald K. Johnson, R. Dean Pierce, Eugene J. Wesolowski
Nuclear Technology | Volume 120 | Number 3 | December 1997 | Pages 243-252
Technical Note | Nuclear Fuel Cycle | doi.org/10.13182/NT97-A35415
Articles are hosted by Taylor and Francis Online.
The operation and design of an inductively heated, bench-scale distillation furnace (retort) are described. The furnace is used as part of a pyrochemical process for the electrometallurgical treatment of spent light water reactor fuel. The focus is on the components that contain the metal melts and vapors. The forerunner of this paper focuses on the design of the induction power system. The equipment was designed to separate volatile from nonvolative metals; after separation, the nonvolatile metals are consolidated into a stillpot product. Twelve experimental runs were conducted; in seven, we used zinc as the distillate, and in five we used zinc-magnesium. In one of the runs, uranium was the stillpot product, and in two runs, copper was used as a substitute for uranium. After solving problems caused by violent evaporation, reboiling of the collected distillate, and blockage of the vapor path, we were able to evaporate the zinc and magnesium with distillate losses <6%. In some cases, the loss was as low as 0.3%. The stillpot product was successfully consolidated. Complete recovery of the stillpot product was achieved in one run.