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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).
PUREX, the current standard method, is an acronym standing for Plutonium and Uranium Recovery by EXtraction. The PUREX process is a liquid-liquid extraction method used to reprocess spent nuclear fuel , to extract uranium and plutonium , independent of each other, from the fission products.
Pyroprocessing (from Greek Πυρος = fire) is a process in which materials are subjected to high temperatures (typically over 800 °C) in order to bring about a chemical or physical change. Pyroprocessing includes such terms as ore-roasting , calcination and sintering .
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 ...
Prices of antimony, used in semiconductors and military applications, hit all-time highs, currently trading between $39,500-40,000 per metric ton in Rotterdam as of Dec. 31. China's export ban to ...
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As a rocket engine it, like all nuclear rocket designs, can greatly exceed the exhaust speed and specific impulse of a chemical rocket. However, it also does not involve the release of any radioactive material from the rocket, unlike open cycle designs which would cause nuclear fallout if used in a planetary atmosphere (e.g. Project Orion).
Estimated value: $12,000 Part of the Redline series, this model features the sleek, muscle-car styling of the real-life Oldsmobile 442, accentuated by its vibrant purple paint — a color that was ...
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