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Unprocessed light water reactor (LWR) spent fuel may prove to be an unacceptable waste form for permanent geologic disposal because of serious technical and programmatic issues related to long-term proliferation risks and safeguards requirements, to long-term containment of radionuclides, and to underground criticality. An alternative strategy using Modular Helium Reactors (MHRs) and coated-particle...
Disposal of spent nuclear fuel is a controversial subject with both political and technical issues. The current U.S. Department of Energy (DOE) strategy of direct disposal of unprocessed light-water reactor (LWR) spent fuel poses significant long-term proliferation risks and may result in poor long-term containment of radionuclides. An alternative strategy based on the RAPD (Reactor/Accelerator...
The present U.S. Department of Energy (DOE) policy for disposal of spent fuel from commercial light water reactors (LWRs) is based on direct disposal of unprocessed, Zircaloy-clad spent fuel rods within metallic canisters in a geologic repository. This strategy has serious technical flaws that may result in unacceptable long-term proliferation risks and radiological consequences. The proposed multi-purpose,...