The Melt Refining of Irradiated Uranium: Application to EBR-II Fast Reactor Fuel. VIII. The Behavior of Rare Earths, Yttrium, Barium, Strontium, and Cesium

N. R. Chellew; G. A. Bennett; V. G. Trice

doi:dx.doi.org/10.13182/NSE61-A25867

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 9 / Number 1

The Melt Refining of Irradiated Uranium: Application to EBR-II Fast Reactor Fuel. VIII. The Behavior of Rare Earths, Yttrium, Barium, Strontium, and Cesium

N. R. Chellew, G. A. Bennett, V. G. Trice

Nuclear Science and Engineering / Volume 9 / Number 1 / January 1961 / Pages 64-70

Technical Paper / dx.doi.org/10.13182/NSE61-A25867

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Melt refining of synthetic EBR-II alloy in oxide crucibles at temperatures between 1200 and 1400°C under an inert atmosphere resulted in a separation of rare earth elements, yttrium, and alkaline earth elements from ingot fractions. The rate of cerium removal is shown to behave as a first-order reaction. Cesium is quantitatively volatilized from highly irradiated uranium fuels refined at 1200°C for 4 hr.