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Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235 U) has been increased through the process of isotope separation.Naturally occurring uranium is composed of three major isotopes: uranium-238 (238 U with 99.2732–99.2752% natural abundance), uranium-235 (235 U, 0.7198–0.7210%), and uranium-234 (234 U, 0.0049–0.0059%).
Downblending old weapons from the nuclear arsenal is not the only way to make this fuel, known as high assay low-enriched uranium — or HALEU for short. A couple of facilities around the country ...
Only fissile isotopes of certain elements have the potential for use in nuclear weapons. For such use, the concentration of fissile isotopes uranium-235 and plutonium-239 in the element used must be sufficiently high. Uranium from natural sources is enriched by isotope separation, and plutonium is produced in a suitable nuclear reactor.
Portsmouth Gaseous Diffusion Plant is a facility located in Scioto Township, Pike County, Ohio, just south of Piketon, Ohio, that previously produced enriched uranium, including highly enriched weapons-grade uranium, for the United States Atomic Energy Commission (AEC), the U.S. nuclear weapons program and Navy nuclear propulsion; in later years, it produced low-enriched uranium for fuel for ...
HALEU is uranium enriched to between 5% and 20%, which backers say has the potential to make new high-tech reactors more efficient. Uranium fuel used in today's reactors is enriched to about 5%.
The Centrus plant in Ohio is the only facility in the U.S. licensed to enrich uranium up to 19.75%, the upper threshold for the coveted high-assay, low-enriched uranium.
Infrared absorption spectra of the two UF 6 isotopes at 300 and 80 K. Schematic of a stage of an isotope separation plant for uranium enrichment with laser. An infrared laser with a wavelength of approx. 16 μm radiates at a high repetition rate onto a UF6 carrier gas mixture, which flows supersonically out of a laval nozzle.
WASHINGTON (Reuters) -A special uranium fuel planned for next-generation U.S. nuclear reactors poses security risks because it could be used without further enrichment as fissile material in ...