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Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
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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
Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Tsung-Kuang Yeh, Mei-Ya Wang, Robin Wu
Nuclear Technology | Volume 184 | Number 2 | November 2013 | Pages 148-155
Technical Paper | Fission Reactors | doi.org/10.13182/NT13-A22311
Articles are hosted by Taylor and Francis Online.
For mitigating intergranular stress corrosion cracking in operating boiling water reactors (BWRs), hydrogen water chemistry, a common technique for producing a reducing coolant environment, has been adopted worldwide. However, the issue of accompanied buildup of radiation field at feedwater hydrogen concentrations >0.5 ppm has been a concern of the utilities. In particular, the increase in shutdown dose rate would pose a serious health threat to maintenance workers during outages.To maintain low shutdown dose rates in drywells, the operators of Kuosheng Nuclear Power Plant adopted effective techniques to improve the coolant chemistry in their two BWRs, leading to a reduction in iron concentration in the feedwater and in 60Co activity in the primary coolant. The radiation buildup in the recirculation system was lowered through an optimized management of hydrogen injection during regular operations and an enhanced operation mode of the reactor cleanup system at the early stage of an outage. In the meantime, the shutdown dose rates in the entire primary coolant circuit, especially in the drywell, were also significantly reduced. This paper describes the adopted techniques and results of water chemistry improvement at the Kuosheng nuclear power reactor.