An Aqua Recia Flowsheet for Uranium Dissolution

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Description

Relatively long time cycles are required for the standard nitric acid dissolution of enriched uranium using safe batch size techniques for criticality control. Upwards of forty eight hours are required for the total dissolution of solid of I and E enriched slugs in nitric acid. The dissolution capacity may be increased by: (1) using a dissolver critically safe by virtue of its geometry or, (2)increasing the rate of uranium dissolution. Dilute agua regia -- a mixture of hydrochloric and nitric acids -- is known to dissolve uranium much more rapidly than nitric acid. This reports present a flowsheet for the … continued below

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7 pages : illustrations

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Shefcik, J. J. July 21, 1959.

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  • Main Title: An Aqua Recia Flowsheet for Uranium Dissolution
  • Series Title: HW (Series)
  • Series Title: Hanford Works Reports
  • Added Title: Hanford Works Report HW-61048

Description

Relatively long time cycles are required for the standard nitric acid dissolution of enriched uranium using safe batch size techniques for criticality control. Upwards of forty eight hours are required for the total dissolution of solid of I and E enriched slugs in nitric acid. The dissolution capacity may be increased by: (1) using a dissolver critically safe by virtue of its geometry or, (2)increasing the rate of uranium dissolution. Dilute agua regia -- a mixture of hydrochloric and nitric acids -- is known to dissolve uranium much more rapidly than nitric acid. This reports present a flowsheet for the rapid dissolution of uranium slugs in dilute agua regia.

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7 pages : illustrations

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Digitized from microopaque cards (1).

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  • SuDoc Number: Y 3.At 7:22/HW-61048
  • Report No.: HW-61048
  • Accession or Local Control No: metadc1255088
  • Archival Resource Key: ark:/67531/metadc1255088

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TRAIL Microcard Collection

Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • July 21, 1959

Added to The UNT Digital Library

  • Feb. 5, 2022, 6:51 p.m.

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  • March 14, 2023, 5:18 p.m.

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Shefcik, J. J. An Aqua Recia Flowsheet for Uranium Dissolution, report, July 21, 1959; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1255088/: accessed June 3, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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