Change of the External Flows of a Separating Cascade to Shorten the Duration of a Transient Process

Орлов, А. А.; Ushakov, A. A.; Sovach, V. P.

doi:10.1007/s10512-019-00552-y

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2022

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“…Condensation of UF 6 is conducted at a temperature 253 K (stage 1, cooling by pickle). Then the desublimation of the UF 6 residuals is conducted under the temperature of 193 K (stage 2, cooling by cold air) [4][5][6][7]. HF desublimation is conducted under the temperature of 77 K (stage 3, cooling by liquid nitrogen).…”

Section: Introductionmentioning

confidence: 99%

Modeling of heat transfer during the desublimation of substances into refrigerated containers

Gubanov

Moiseeva

2022

J. Phys.: Conf. Ser.

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This paper presents the results of the theoretical and computational analysis of the thermal processes during the desublimation of uranium hexafluoride and hydrogen fluoride in refrigerated containers. The technological scheme of the hydrogen fluoride desublimation in the containers refrigerated by the cold air is presented. We have substantiated the desublimation method of the uranium hexafluoride residues and hydrogen fluoride from the process stream into one container. The paper also provides the estimation of the maximum container loading, when the pressure of the saturated vapors above the surface of the desublimated mixture reaches the limiting value.

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Section: Introductionmentioning

confidence: 99%