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U.S. Department of Energy
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Transport of fuel and fission products from failed mixed-oxide fuel pins by flowing sodium in LMFBRs. Final report

Technical Report ·
DOI:https://doi.org/10.2172/7053805· OSTI ID:7053805
A review was made of what is known about transport of fuel particles and fission products from LMFBR failed fuel pins and deposit of these radioactive materials in the primary coolant system. Such transport and deposit could significantly increase exposure of plant personnel and become limiting in operability, inspectability, and maintainability of piping and equipment in primary coolant cells. Any direct access will require waiting about 12 days after reactor shutdown, and the sodium must be drained from the system to a shielded tank. Plateout of active materials and coolant films remaining on surfaces after draining are the sources causing concern. 25 tables.
Research Organization:
Argonne National Lab., IL (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
7053805
Report Number(s):
EPRI-NP-1609
Country of Publication:
United States
Language:
English