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An Evaluation of the Electrometallurgical Approach for Treatment of Excess Weapons Plutonium (1996) / Chapter Skim
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C Argonne National Laboratory Responses to Questions Submitted on December 4, 1995, by the Committee
Pages 54-58

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From page 54...
... In the reference case, the plutonium and other transuranium elements will remain in the salt waste stream to be absorbed in the zeolite and ultimately become part of the mineral waste form. The third stream emanating from the process is pure uranium; its ultimate disposition will be determined by National policy.
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From page 55...
... However, the behavior of the actinide-rich phases is being and will be carefully followed during corrosion testing, using all the appropriate tools at our disposal including all the usual me/allographic and surface analysis methods as well as special corrosion tests such as applied potential studies and testing at extreme pH. We will provide a cre-nublication cony of the caner as soon as internal reviews are complete.
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From page 56...
... We must also remain cognizant of the likely mechanistic differences that may exist between the reactions of glass, glass-ceramics, zeolite-based materials, and metals. We are seeking to identify environmental conditions that may influence zeolite and metal reactions, and to establish testing procedures that provide a link 56
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From page 57...
... Initial attribute characterization studies are being conducted to determine mineral waste form material properties such as waste form mineralogy, composition, structure, element partitioning, product consistency, and waste element loading. Characterization and accelerated tests are being used to provide such information as forward reaction rates, alteration mechanisms, alteration product formation, reaction kinetics, reaction thermodynamics, component interactions, and radiation damage effects.
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From page 58...
... Appendix C: ANT Responses to Questions (December 4, 19959 o LL a)
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Key Terms

  • metal waste
  • mineral waste
  • spent fuel
  • corrosion tests
  • form option

  • metal fission
  • product consistency
  • vapor hydration
  • corrosion behavior
  • final waste

  • accelerated tests
  • accelerated test
  • fission products
  • noble metal
  • experience gained

  • attribute characterization
  • hydration tests
  • waste streams
  • waste forms
  • lithium reduction

  • transuranium elements
  • borosilicate glasses
  • various temperatures
  • retentive properties
  • preferred option

  • influence zeolite
  • appropriate pretreatment
  • cladding hulls
  • waste management
  • alteration product


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