Alloy waste forms for metal fission products and actinides isolated by spent nuclear fuel treatment

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Waste form alloys are being developed at Argonne National Laboratory for the disposal of remnant metallic wastes from an electrometallurgical process developed to treat spent nuclear fuel. This metal waste form consists of the fuel cladding (stainless steel or Zircaloy), noble metal fission products (e.g., Ru, Pd, Mo and Tc), and other metallic wastes. The main constituents of the metal waste stream are the cladding hulls (85 to 90 wt%); using the hulls as the dominant alloying component minimizes the overall waste volume as compared to vitrification or metal encapsulation. Two nominal compositions for the waste form are being developed: ... continued below

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14 p.

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McDeavitt, S.M.; Abraham, D.P.; Keiser, D.D. Jr. & Park, J.Y. October 1, 1996.

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Description

Waste form alloys are being developed at Argonne National Laboratory for the disposal of remnant metallic wastes from an electrometallurgical process developed to treat spent nuclear fuel. This metal waste form consists of the fuel cladding (stainless steel or Zircaloy), noble metal fission products (e.g., Ru, Pd, Mo and Tc), and other metallic wastes. The main constituents of the metal waste stream are the cladding hulls (85 to 90 wt%); using the hulls as the dominant alloying component minimizes the overall waste volume as compared to vitrification or metal encapsulation. Two nominal compositions for the waste form are being developed: (1) stainless steel-15 wt% zirconium for stainless steel-clad fuels and (2) zirconium-8 wt% stainless steel for Zircaloy-clad fuels. The noble metal fission products are the primary source of radiation in the metal waste form. However, inclusion of actinides in the metal waste form is being investigated as an option for interim or ultimate storage. Simulated waste form alloys were prepared and analyzed to determine the baseline alloy microstructures and the microstructural distribution of noble metals and actinides. Corrosion tests of the metal waste form alloys indicate that they are highly resistant to corrosion.

Physical Description

14 p.

Notes

INIS; OSTI as DE96014380

Source

  • Minerals, Metals and Materials Society (TMS) fall extraction and process metallurgy meeting, Scottsdale, AZ (United States), 27-30 Oct 1996

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  • Other: DE96014380
  • Report No.: ANL/CMT/CP--87845
  • Report No.: CONF-961018--2
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/270551 | External Link
  • Office of Scientific & Technical Information Report Number: 379093
  • Archival Resource Key: ark:/67531/metadc674682

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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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  • Dec. 16, 2015, 10:42 a.m.

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McDeavitt, S.M.; Abraham, D.P.; Keiser, D.D. Jr. & Park, J.Y. Alloy waste forms for metal fission products and actinides isolated by spent nuclear fuel treatment, article, October 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc674682/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.