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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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February 2025
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Latest News
DOE-EM awards $37.5M to Vanderbilt University for nuclear cleanup support
The Department of Energy’s Office of Environmental Management announced on January 16 that it has awarded a noncompetitive financial assistance agreement worth $37.5 million to Vanderbilt University in Nashville, Tenn., to aid the department’s mission of cleaning up legacy nuclear waste.
Fred Sicilio, T. H Goodgame, Bert Wilkins, Jr.
Nuclear Science and Engineering | Volume 9 | Number 4 | April 1961 | Pages 455-461
Technical Paper | doi.org/10.13182/NSE61-A25909
Articles are hosted by Taylor and Francis Online.
The feasibility of purifying irradiation-degraded Purex-type solvent by distillation was indicated by laboratory scale studies. Direct fractional distillation does not appear to be feasible; however, flash distillation of the mixture into separate TBP and Amsco components and subsequent fractional distillation of each component can be performed in a trouble-free manner. The results of this work indicate that a washing operation and several flash distillations should suffice for purification of solvent irradiated up to 120 w-hr/liter.
