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Review of the Draft Analysis of Supplemental Treatment Approaches of Low-Activity Waste at the Hanford Nuclear Reservation Review #2 (2018) / Chapter Skim
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4 Additional Processes Affecting the Alternative Treatment Approaches
Pages 32-34

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From page 32...
... In particular, while Tables A-1 and A-2 of the draft report list the number of months during the treatment duration that strontium removal would affect the waste classification for the three primary treatment approaches, Appendix A does not discuss how these changes in waste classification would affect whether the waste could be disposed on-site or off-site and how these changes would affect the costs and risks of the disposal options. While this information was discussed in the FFRDC presentations in July 2018, the committee suggests the FFRDC include it in the final report to help decision-makers.
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From page 33...
... The cost-benefit analysis of additional radionuclide pre-treatment relative to offgas treatment is not covered in the draft report and would be useful for decision-making for it to be covered in the final report. SECONDARY WASTE During the second and third public meetings, the committee heard presentations from Washington River Protection System contractors and the FFRDC team that discuss the baseline of vitrification of LAW with grouting of secondary waste with both waste forms to be disposed at the Integrated Disposal Facility at Hanford.
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From page 34...
... Recommendation 4-1 The FFRDC report should consider the impact of these four processes -- pre-treatment, off-gas treatment, secondary waste generation treatment, and load leveling and waste blending -- on the treatment rate, reliability, performance of secondary waste following disposal, and cost of alternative approaches to SLAW treatment.
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Key Terms

  • secondary waste
  • draft report
  • load leveling
  • additional slaw
  • feed vector

  • treatment options
  • waste classification
  • waste blending
  • waste generation
  • waste stream

  • flow rate
  • flowsheet models
  • volume generation
  • control specialists
  • waste volume

  • significant fluctuations
  • rate level
  • disposal facility
  • committee suggests
  • feed composition

  • blending variability
  • waste following
  • melter idling
  • generation treatment
  • committee observes

  • prior work
  • treatment rate
  • waste production
  • treatment approaches
  • treatment facilities


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