Criticality safety study of unirradiated Cintichem target storage

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Sandia National Laboratories has been chosen by the US Department of Energy as the primary domestic source for the production of molybdenum-99, utilizing the Annular Core Research Reactor. The method to be used to produce {sup 99}Mo through the fission of {sup 235}U in 93% enriched UO{sub 2} is based on the process formerly used by Cintichem, Inc. of Tuxedo, New York. The UO{sub 2} is electroplated in a thin coating to the inside of stainless steel Cintichem targets which will be irradiated in the central region of the reactor core. The proposed on-site storage plan for the unirradiated targets ... continued below

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6 p.

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Romero, D.J.; Busch, R.D. & Parma, E.J. February 1, 1998.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Sandia National Laboratories has been chosen by the US Department of Energy as the primary domestic source for the production of molybdenum-99, utilizing the Annular Core Research Reactor. The method to be used to produce {sup 99}Mo through the fission of {sup 235}U in 93% enriched UO{sub 2} is based on the process formerly used by Cintichem, Inc. of Tuxedo, New York. The UO{sub 2} is electroplated in a thin coating to the inside of stainless steel Cintichem targets which will be irradiated in the central region of the reactor core. The proposed on-site storage plan for the unirradiated targets is to store them in a dry, secure compartment similar to a file cabinet. Each cabinet drawer will be initially filled with targets and emptied as targets are removed for irradiation. The main objective of this analysis was to postulate and model a set of incredible accident scenarios beyond the proposed storage plan which would possibly induce criticality with the targets in the safe, and determine the k-effective and its associated standard deviation for these conditions. A parametric analysis was performed using Los Alamos National Laboratory`s MCNP (Monte Carlo Neutral Particle) code, Version 4A.

Physical Description

6 p.

Notes

INIS; OSTI as DE98004230

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  • Annual meeting of the American Nuclear Society, Nashville, TN (United States), 7-12 Jun 1998

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  • Other: DE98004230
  • Report No.: SAND--98-0446C
  • Report No.: CONF-980606--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 653938
  • Archival Resource Key: ark:/67531/metadc708622

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  • February 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 16, 2016, 6:17 p.m.

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Romero, D.J.; Busch, R.D. & Parma, E.J. Criticality safety study of unirradiated Cintichem target storage, article, February 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc708622/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.