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|Title:||Transuranium Elements in the Nuclear Fuel Cycle|
|Authors:||FANGHAENEL Thomas; GLATZ Jean-Paul; KONINGS Rudy; RONDINELLA Vincenzo; SOMERS Joseph|
|Type:||Articles in periodicals and books|
|Abstract:||Transuranium elements, neptunium, plutonium, americium, and curium, are formed via neutron capture processes of actinides, and are mainly by-products of fuel irradiation during the operation of a nuclear reactor.Their properties significantly impact the nuclear fuel cycle, affecting and often determining requirements and procedures related to handling, storage, reprocessing, and disposal of fuels and high-level waste. It is still debated if, in particular, plutonium is an unwanted waste or, possibly, a resource for the production of energy. A standard universally agreed route for the treatment of transuranium elements is not yet established.This chapter provides an overview of past and ongoing experience and perspectives related to studies on transuranic recovery and incorporation in fuels and targets for advanced nuclear fuel cycles and their disposal as the main component of high-level nuclear waste. In particular, the chapter describes themain properties of transuraniumfuels, the specific requirements for their fabrication, their irradiation behavior, and their impact on the back-end of the fuel cycle. For the latter, a major issue is the development of options for reprocessing and separation of transuranium elements from spent fuel to make them available for further treatment. The effects caused by their presence in irradiated fuel and high-level nuclearwaste on long-term storage and final disposal are also discussed. The final destination of transuranium elements is still an open issue. The global context is characterized by a diversified set of options being pursued, which is reflected in this chapter. It is important to have a picture of the knowledge and experience gathered until now through relevant investigation campaigns worldwide.This is necessary to ensure that the renewed interest in nuclear energy as a key component of sustainable development of energy production brings the necessary focus to implement viable, safe, and technologically effective options for the treatment of transuranium elements.|
|JRC Institute:||Nuclear Safety and Security|
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