Method for dissolving hard-to dissolve nuclear fuels

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal

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423 20, 423251, 423252, 252627, C01G 5600, C01F 1500

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active

044341377

ABSTRACT:
Dissolving hard-to-dissolve nuclear fuels such as ThO.sub.2 and PuO.sub.2 in a nitric acid fission material solution which contains nitric acid and a Pu-fluoride complex to provide free fluorine ions in a small catalytically active amount due to small dissociation of fluoride ions from the Pu-fluoride complex. This permits dissolving hard-to-dissolve nuclear fuels in normal metallic dissolving vessels and also eliminates need for using polytetrafluoroethylene.

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Stoller, S. M. and R. B. Richards, Eds. "Reactor Handbook, vol. II, Fuel Reprocessing", 2nd Ed. 1961, pp. 68-72, 107-108.
Katz, J. J. and G. T. Seaborg, "The Chemistry of the Actinide Elements", 1957, pp. 279, 284, 291-292, 312.
Long, Justine T. "Engineering for Nuclear Fuel Reprocessing", Gordon and Breach Science Publrs. Inc. 1968, pps. 288-290, 294-296.

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