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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.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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
Can hydrogen be the transportation fuel in an otherwise nuclear economy?
Let’s face it: The global economy should be powered primarily by nuclear power. And it probably will by the end of this century, with a still-significant assist from renewables and hydro. Once nuclear systems are dominant, the costs come down to where gas is now; and when carbon emissions are reduced to a small portion of their present state, it will become obvious that most other sources are only good in niche settings. I mean, why use small modular reactors to load-follow when they can just produce that power instead of buffering it?
Junfeng Li, Shuting Zhuang, Liang Wang, Jianlong Wang
Nuclear Technology | Volume 203 | Number 1 | July 2018 | Pages 101-107
Technical Note | doi.org/10.1080/00295450.2018.1432838
Articles are hosted by Taylor and Francis Online.
A disk tubular reverse osmosis (DTRO) membrane system was designed and applied for the treatment of radioactive wastewater produced in a high-temperature gas-cooled reactor (HTGR) in pilot scale. The pretreatment system was simplified using a cartridge filter. A three-stage membrane system was researched and developed. The performance of the DTRO system was examined using surrogate wastewater. The volume reduction factor of the system reached 50, and the decontamination factor reached 5760. The membrane system was designed to operate at high flows. When wastewater was pumped into the membrane system, the high-speed flow of the influent prevented the fouling of the membrane. The operational performance to treat low- and intermediate-level radioactive wastewater was examined. The membrane system can be used to treat the wastewater from HTGR.