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Integrating management of spent nuclear fuel in the United States by consolidating storage

15th International High-Level Radioactive Waste Management Conference 2015, IHLRWM 2015

Rechard, Robert P.; Price, Laura L.; Kalinina, Elena A.; Bonano, Evaristo J.; Jenkins-Smith, Hank C.

The theme of the paper is that consolidated interim storage can provide an important integrating function between storage and disposal in the United States. Given the historical tension between consolidated interim storage and disposal in the United States, this paper articulates a rationale for consolidated interim storage. However, the paper concludes more effort could be expended on developing the societal aspects of the rationale, in addition to the technical and operational aspects of using consolidated interim storage.

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TYPE Conference Poster YEAR 2015
ScopusOSTI

Qualitative evaluation of options for disposal of SNF and HLW

15th International High-Level Radioactive Waste Management Conference 2015, IHLRWM 2015

Price, Laura L.; Sassani, David C.; Swift, Peter N.; Bonano, Evaristo J.

Options for disposal of the spent nuclear fuel and high level radioactive waste that are projected to exist in the United States in 2048 were studied. The options included four different disposal concepts: mined repositories in salt, clay/shale rocks, and crystalline rocks; and deep boreholes in crystalline rocks. Some of the results of this study are that all waste forms, with the exception of untreated sodium-bonded spent nuclear fuel, can be disposed of in any of the mined disposal concepts, although with varying degrees of confidence; salt allows for more flexibility in managing high-heat waste in mined repositories than other media; small waste forms are potentially attractive candidates for deep borehole disposal; and disposal of commercial SNF in existing dual-purpose canisters is potentially feasible but could pose significant challenges both in repository operations and in demonstrating confidence in long-term performance. Questions addressed by this study include: is a " 'one-size-fits-all ' repository a good strategic option for disposal?" and "do some disposal concepts perform significantly better with or without specific waste types or forms? " The study provides the bases for answering these questions by evaluating potential impacts of waste forms on the feasibility and performance of representative generic concepts for geologic disposal.

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TYPE Conference Poster YEAR 2015
ScopusOSTI
Results 51–66 of 66
Results 51–66 of 66