A Fluid-Bed Process for the Direct Conversion of Uranium Hexafluoride to Uranium Dioxide

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A new, dry process for the production of UO/sub 2/ powder from UF/sub 6/ by fluidization and particle-coating techniques was developed. The process involves direct conversion of UF/sub 6/ to a solid, UO/sub 2/F/sub 2/, by hydrolysis with steam and the reduction of the UO/sub 2/F/sub 2/ to the dioxide by reaction with was carried out in 3-in.-dia. Monel reactors. In continuing studies, dense, spheroidal UO/sub 2/ particles in the range --20 +200 mesh are being prepared. A simultaneous (steam and H/sub 2/) reaction procedure at temperatures up to 7OO deg C is being used. Particle densities ranged to 9.75g/ … continued below

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45 pages

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Knudsen, I. E.; Hootman, H. E. & Levitz, N. M. February 1, 1963.

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A new, dry process for the production of UO/sub 2/ powder from UF/sub 6/ by fluidization and particle-coating techniques was developed. The process involves direct conversion of UF/sub 6/ to a solid, UO/sub 2/F/sub 2/, by hydrolysis with steam and the reduction of the UO/sub 2/F/sub 2/ to the dioxide by reaction with was carried out in 3-in.-dia. Monel reactors. In continuing studies, dense, spheroidal UO/sub 2/ particles in the range --20 +200 mesh are being prepared. A simultaneous (steam and H/sub 2/) reaction procedure at temperatures up to 7OO deg C is being used. Particle densities ranged to 9.75g/ cc or about 89% of theoretical. Sintering in H/sub 2/ at about 1700 deg C for 2.5 hr gave final densities of 10.4 to 16.6 g/cc or up to about 96.5% of theoretical density. (auth)

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45 pages

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Other Information: Orig. Receipt Date: 31-DEC-63

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  • February 1, 1963

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  • Oct. 18, 2017, 7:39 a.m.

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  • Nov. 22, 2024, 10:46 p.m.

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Thumbnail image of item number 1 in: 'A Fluid-Bed Process for the Direct Conversion of Uranium Hexafluoride to Uranium Dioxide'.
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Knudsen, I. E.; Hootman, H. E. & Levitz, N. M. A Fluid-Bed Process for the Direct Conversion of Uranium Hexafluoride to Uranium Dioxide, report, February 1, 1963; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1031060/: accessed December 11, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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