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Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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BWXT will scout potential TRISO fuel production sites in Wyoming
BWX Technologies Inc. announced today that its Advanced Technologies subsidiary has signed a cooperation agreement with the state of Wyoming to evaluate locations and requirements for siting a potential new TRISO nuclear fuel fabrication facility in the state.
Edward T. Maas, Jr., John M. Longo
Nuclear Technology | Volume 47 | Number 3 | March 1980 | Pages 451-456
Technical Paper | Chemical Processing | doi.org/10.13182/NT80-A32399
Articles are hosted by Taylor and Francis Online.
While many materials have been suggested and employed as trapping agents for gaseous oxides of fission product ruthenium volatilized during nuclear fuels reprocessing, none that is known to form thermodynamically stable compounds with ruthenium has been utilized. We have employed alkaline earth metal compounds for this purpose because of their ability to form stable mixed metal oxide phases with ruthenium. Results of experiments in which RuO4 was volatilized from either a solid source (RuO2·xH2O) or from solution {[Ru(NO)(NO3)3] in HNO3} and passed through beds of alkaline earth metal carbonates and calcium oxide held at 600 to 750°C have demonstrated that compounds of formulation MRuO3 (M = calcium, strontium, barium) are formed. Under oxidizing conditions, these materials exist as stable ceramic phases, whereas under reducing conditions, they are transformed into intimate mixtures of the alkaline earth metal oxide and nonvolatile ruthenium metal.