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Burnup is an important factor in determining the types and abundances of isotopes produced by a fission reactor. Breeder reactors by design have high burnup compared to a conventional reactor, as breeder reactors produce more of their waste in the form of fission products, while most or all of the actinides are meant to be fissioned and destroyed.
The Clinch River Breeder Reactor Project was a nuclear reactor project that aimed to build the USA's first large-scale demonstration breeder reactor plant. [2] It was led by the U.S. Atomic Energy Commission (and a successor agency, the U.S. Energy Research and Development Administration (ERDA), and subsequently the U.S. Department of Energy).
As many as 30 new reactors were planned by 2009. [7] As of February 2021, only two new reactors were still under construction, both at Vogtle. The project has announced significant delays and budget overruns. Most of the other new builds and the equally extensive list of upgrades to existing reactors have been shelved .
research reactor, in operation since 1958 (demonstrated at the Expo 58 in Brussels), since 1959 at the University of Basel. Decommissioned in 2020. [55] SAPHIR Würenlingen: Pool Decommissioned 10,000 1957-04-30 1993 Paul Scherrer Institut: Lucens: Lucens, Vaud: heavy-water moderated, carbon dioxide gas-cooled. pilot nuclear power plant ...
Reactor Overview. Small, sealed, transportable, autonomous reactor (SSTAR) is a proposed lead-cooled nuclear reactor being primarily researched and developed in the United States by Lawrence Livermore National Laboratory. It is designed as a fast breeder reactor that is passively safe.
It was originally the site of the Clinch River Breeder Reactor Project. In February 2022, the site was announced as the first location of a small modular reactor as part of the TVA's New Nuclear Program, which was approved the same year.
MSFRs may be breeder reactors. They operate without a moderator in the core such as graphite, so graphite life-span is no longer a problem. This results in a breeder reactor with a fast neutron spectrum that operates in the Thorium fuel cycle. MSFRs contain relatively small initial inventories of 233 U. MSFRs run on liquid fuel with no solid ...
Being a breeder reactor, it had the ability to transmute relatively inexpensive thorium to uranium-233 as part of its fuel cycle. [9] The breeding ratio attained by Shippingport's third core was 1.01. [8] Over its 25-year life, the Shippingport power plant operated for about 80,324 hours, producing about 7.4 billion kilowatt-hours of ...