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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).
Reprocessing capacity (tHM/yr) Construction start date Operation date Closure Purpose UP-1 Marcoule: Shut down 0.001 1958 1997 Military CEA APM Marcoule: Fast Breeder PUREX, DIAMEX, SANEX: Operational 6 1988 Civil UP-2 La Hague: LWR: PUREX: Shut down 900 1967 1974 Civil UP-2-400 La Hague: LWR PUREX: Shut down 400 1976 1990 Civil UP-2-800 La ...
The most common reprocessing technique, PUREX, presents a particular concern since it was expressly designed to separate plutonium. Early proposals for the breeder-reactor fuel cycle posed an even greater proliferation concern because they would use PUREX to separate plutonium in a highly attractive isotopic form for use in nuclear weapons. [50 ...
Side effects of methenamine are generally minor and include upset stomach, nausea, and headache, among others. [ 3 ] [ 19 ] [ 7 ] Methenamine is a prodrug of formaldehyde in acidic urine . [ 3 ] [ 8 ] [ 9 ] Formaldehyde is a non-specific antiseptic and bactericide which works via denaturation of bacterial proteins and nucleic acids .
Supreme Court Chief Justice John Roberts slammed what he described as “dangerous” talk by some officials about ignoring federal court rulings, using an annual report weeks before President ...
Jennifer Grey looked back on how a sex scene with Patrick Swayze — that was ultimately cut from 1984’s Red Dawn — was derailed by him being drunk, and her "smoking a lot of weed" at the time ...
(The Center Square) – An ongoing war in Syria has suddenly ended with the overturning of the long-standing Syrian government, creating national security and humanitarian concerns but also ...
As is typically found in civilian European thermal reactors, a 5.3% plutonium MOX fuel-bundle, produced by conventional wet-chemical/PUREX reprocessing of an initial fuel assembly that generated 33 GWd/t before becoming spent nuclear fuel, creates, when it itself is burnt in the thermal reactor, a spent nuclear fuel with a plutonium isotopic ...