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Division Spotlight
Human Factors, Instrumentation & Controls
Improving task performance, system reliability, system and personnel safety, efficiency, and effectiveness are the division's main objectives. Its major areas of interest include task design, procedures, training, instrument and control layout and placement, stress control, anthropometrics, psychological input, and motivation.
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 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. 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.”
Avinash Sahu, Tessy Vincent
Nuclear Technology | Volume 192 | Number 2 | November 2015 | Pages 160-164
Technical Paper | Reprocessing | doi.org/10.13182/NT15-9
Articles are hosted by Taylor and Francis Online.
A nonelectrolytic method for uranous preparation, deploying catalytic reduction with hydrogen and leading to highly improved kinetics and near total conversion of uranyl nitrate to uranous nitrate, has been developed. Detailed experimental studies up to 5-ℓ scale, involving selection of stable supports for the platinum-based catalyst, optimized process parameters with regard to catalyst-to-uranium (C/U) ratio, acidity, hydrazine concentration, temperature, and pressures, have led to a deployable flow sheet, for near total conversion of uranyl nitrate to uranous nitrate.
Based on the studies at various stages, a facility for making 70 ℓ of uranous per batch in 0.5-h duration has been installed, and the process has been demonstrated on a pilot scale. Active runs have been taken, with various C/U ratios, namely, 1:200, 1:250, 1:300, and 1:350, in a gas induction reactor with uranyl nitrate solution generated from the reprocessing plant.