ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
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.
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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Latest News
Article considers incorporation of AI into nuclear power plant operations
The potential application of artificial intelligence to the operation of nuclear power plants is explored in an article published in late December in the Washington Examiner. The article, written by energy and environment reporter Callie Patteson, presents the views of a number of experts, including Yavuz Arik, a strategic energy consultant.
Iréne Lundén, Karin Andersson
Nuclear Technology | Volume 104 | Number 2 | November 1993 | Pages 252-257
Technical Paper | Special Issue on Waste Management / Radioactive Waste Management | doi.org/10.13182/NT93-A34888
Articles are hosted by Taylor and Francis Online.
Many concepts for deep underground storage of high level radioactive waste include the use of bentonite (sodium-montmorillonite) as a backfill material surrounding the waste. It is therefore necessary to model the chemical conditions in the system sodiummontmorillonite-granitic groundwater-granitic rock in order to be able to predict the speciation and solubility of actinides and fission products in this environment. In this study, the chemical interactions and the evolution of the chemical composition of the water in such a system have been modeled using the geochemical computer code PHREEQE. The parameters considered are the pH, Eh, and the chemical composition in aqueous solution. Mineral formation has been taken into account in some cases. The speciation and solubility of uranium in this system have also been calculated.
