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Alternative High-Level Waste Treatments at the Idaho National Engineering and Environmental Laboratory (1999) / Chapter Skim
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4 Treatment Options for Sodium-Bearing Liquid Waste
Pages 43-46

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From page 43...
... , and it is stored in single-shell tanks located inside concrete vaults. These vaults are not qualified to be an appropriate secondary containment layer under Resource Conservation and Recovery Act (RCRA)
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From page 44...
... Since the SBW is not initially HLW, it is counterproductive to convert the SBW to HLW or to force it into a disposal plan designed for HLW. An additional argument against calcining the SBW is that this calcination involves an addition of aluminum nitrate, thereby increasing the waste mass.
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From page 45...
... An example from the Oak Ridge National Laboratory (ORNL3 is the detailed consideration of several options for treating nearly one million gallons of LLW that is rawer similar to the SBW except that it has been neutralized. Some treatment options involve partitioning into TRU and nonTRU fractions, and some involve direct solidification (e.g., evaporation to a saltcake or incorporation in grout)
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Key Terms

  • hlw calcine
  • sodium nitrate
  • llw disposal
  • waste acceptance
  • disposal requirements

  • million gallons
  • acceptance criteria
  • land disposal
  • aluminum nitrate
  • treatment options

  • tanks located
  • involve direct
  • calcination involves
  • doe defense
  • pilot plant

  • acidic solution
  • probably require
  • appropriate secondary
  • regarding waste
  • significant sodium

  • energy office
  • additional argument
  • solubilize residues
  • boundary conditions
  • seismic activity

  • current management
  • direct solidification
  • plans call
  • located inside
  • nuclear regulatory


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