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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).
List of US Reprocessing Plants Name Location Fuel Type Procedure Status Reprocessing capacity (tHM/yr) Construction start date Operation date Closure Purpose Hanford Site: Washington: REDOX, PUREX: Shut down 1944 1988 Military Savannah River Site: South Carolina: LWR PUREX: Shut down 5000 1952 2002 Civil West Valley LWR PUREX: Shut down 300 ...
There were plans to reactivate the B plant but the new PUREX plant that opened in January 1956 was so efficient that the T plant was closed in March 1956 and plans to reactivate the B plant were abandoned. [21] By 1960, the PUREX plant's output had surpassed the combined output of the B and T plants and the REDOX plant. [22]
In nuclear reprocessing plants about 96% of spent nuclear fuel is recycled back into uranium-based and mixed-oxide MOX fuels. One of the main method for the separation of spent fuel is the PUREX process, which separates the plutonium and other transuranics from the remainder of the spent fuel. The uranium and plutonium are separated in turn in ...
Reprocessing as a whole is not currently (2005) in favor, and places that do reprocess already have PUREX plants constructed. Consequently, there is little demand for new pyrometallurgical systems, although there could be if the Generation IV reactor programs become reality.
The PUREX Plant, known as A Plant or Building 202‑A, commenced operation in 1955. Like the U Plant it used pulsed columns and tributyl phosphate as a solvent. [145] [146] The plant was 1,000 feet (300 m) long, 400 feet (120 m) high and 52 feet (16 m) wide. The processing canyon contained eleven processing areas.
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