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سوخت هستهای مصرفشده
The results of an international review of separation processes for spent nuclear fuel (SNF) recycling in future closed fuel cycles are reported.
A unique feature of this study was that processes were classified according to a hierarchy of separations aimed at different elements within spent fuel (uranium; uranium-plutonium co-recovery; minor actinides; high heat generating radionuclides) and also the Head-end processes, used to prepare the SNF for chemical separation, were included.
A bespoke methodology suitable for assessing the technological maturities of separation processes for SNF recycling was then designed based on the well-established Technology Readiness Level (TRL) scale but adapted for spent nuclear fuel separations.
That is, flowsheets have been proposed for processes and tested with active materials under increasingly relevant conditions, through to initial hot tests with small quantities of SNF.
Advanced nuclear systems will generate spent (or used) nuclear fuel (SNF) that must be managed either in open or closed fuel cycles.
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