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PUREX (plutonium uranium reduction extraction) is a chemical method used to purify fuel for nuclear reactors or nuclear weapons. [7] PUREX is the de facto standard aqueous nuclear reprocessing method for the recovery of uranium and plutonium from used nuclear fuel ( spent nuclear fuel , or irradiated nuclear fuel).
The Canadian Toronto Stock Exchange (TSX) listed GoviEx Uranium Inc acquired 100% of the Mutanga Project also known as the Kariba Uranium Project in 2016. In March 2022, GoviEx announced that the Project is forecast to start production in 2027 and could be the lowest capital intensive uranium project in Africa. [115]
The advanced reprocessing of spent nuclear fuel is a potential key to achieve a sustainable nuclear fuel cycle and to tackle the heavy burden of nuclear waste management. In particular, the development of such advanced reprocessing systems may save natural resources, reduce waste inventory and enhance the public acceptance of nuclear energy.
Uranium ore mined in the Arlit area (Agadez Region) is extracted as triuranium octoxide (U 3 O 8). The SOMAIR mine had uranium reserve of 14,000 tonnes (with U 3 O 8 @ 0.3%) as of 2011 and a production capacity of 2,700 tonnes per year. [11] [12] The COMINAK concession totaled 29,000 tonnes (U 3 O 8 @ 0.4%) and had a production capacity of ...
The reprocessed uranium, also known as the spent fuel material, can in principle also be re-used as fuel, but that is only economical when uranium supply is low and prices are high. Nuclear reprocessing may extend beyond fuel and include the reprocessing of other nuclear reactor material, such as Zircaloy cladding.
Remains of an abandoned piping system used for uranium in-situ leaching in StráΕΎ pod Ralskem, Czech Republic. In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ.
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.
The lifecycle of fuel in the present US system. If put in one place the total inventory of spent nuclear fuel generated by the commercial fleet of power stations in the United States, would stand 7.6 metres (25 ft) tall and be 91 metres (300 ft) on a side, approximately the footprint of one American football field.