Closed fuel cycle waste treatment strategy

Source
Idaho National Laboratory
Publication date

The authors of this study evaluate the existing waste management approaches for nuclear fuel cycle facilities in comparison to the objectives of implementing an advanced fuel cycle in the United States under existing legal, regulatory, and logistical constructs. The authors summarize the waste arising from (1) aqueous reprocessing of a typical light-water reactor (LWR) fuel to separate actinides for use in fabricating metal sodium fast reactor (SFR) fuel and (2) electrochemical reprocessing of the metal SFR fuel to separate actinides for recycle back into the SFR in the form of metal fuel. Mass and volume estimates for each of the recommended waste forms based on the source terms from a representative flowsheet are reported. In addition to the above listed primary waste streams, a range of secondary process wastes are generated by aqueous reprocessing of LWR fuel, metal SFR fuel fabrication and electrochemical reprocessing of SFR fuel. These secondary wastes are summarized, and volumes are estimated by type and classification.

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