Neutron-based measurements for nondestructive assay of minor actinides produced in nuclear power reactors

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Because of their impacts on long-term storage of high-level radioactive waste and their value as nuclear fuels, measurement and accounting of the minor actinides produced in nuclear power reactors are becoming significant issues. This paper briefly reviews the commercial nuclear fuel cycle with emphasis on reprocessing plants and key measurement points therein. Neutron signatures and characteristics are compared and contrasted for special nuclear materials (SNMs) and minor actinides (MAs). The paper focuses on application of neutron-based nondestructive analysis (NDA) methods that can be extended for verification of MAs. We describe current IAEA methods for NDA of SNMs and extension of ... continued below

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16 p.

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Stewart, J.E.; Eccleston, G.W.; Ensslin, N.; Cremers, T.L.; Foster, L.A.; Menlove, H.O. et al. October 1, 1996.

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Description

Because of their impacts on long-term storage of high-level radioactive waste and their value as nuclear fuels, measurement and accounting of the minor actinides produced in nuclear power reactors are becoming significant issues. This paper briefly reviews the commercial nuclear fuel cycle with emphasis on reprocessing plants and key measurement points therein. Neutron signatures and characteristics are compared and contrasted for special nuclear materials (SNMs) and minor actinides (MAs). The paper focuses on application of neutron-based nondestructive analysis (NDA) methods that can be extended for verification of MAs. We describe current IAEA methods for NDA of SNMs and extension of these methods to satisfy accounting requirements for MAs in reprocessing plant dissolver solutions, separated products, and high-level waste. Recommendations for further systems studies and development of measurement methods are also included.

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16 p.

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INIS; OSTI as DE97001720

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  • Alternate nuclear material conference, Aiken, SC (United States), 15-17 Oct 1996

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  • Other: DE97001720
  • Report No.: LA-UR--96-3690
  • Report No.: CONF-9610228--2
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/204636 | External Link
  • Office of Scientific & Technical Information Report Number: 432832
  • Archival Resource Key: ark:/67531/metadc677802

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 25, 2016, 9:51 p.m.

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Stewart, J.E.; Eccleston, G.W.; Ensslin, N.; Cremers, T.L.; Foster, L.A.; Menlove, H.O. et al. Neutron-based measurements for nondestructive assay of minor actinides produced in nuclear power reactors, article, October 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc677802/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.