RECOVERY OF URANIUM HEXAFLUORIDE FROM FEED PLANT VENT GASES
C.C. Littlefield, D. Craig Brater, J.H. Pashley
Abstract
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C.C. Littlefield, D. Craig Brater, J.H. Pashley
Abstract
Open-access reader
Pilot-plant studies of the use of a fluidized bed of uranium tetrafluoride to scrub small amounts of uranium hexafluoride from feed plant vent gas streams are de scribed. No operating problems were encountered, and greater than 90% recovery of the uranium hexafluoride was obtained with bed temperatures of 150 to 500 deg F. At higher temperatures, however, a loss in recovery efficiency was noted. Gases containing up to 11.5% uranium hexafluoride, 17.0% fluorine, and 10.5% hydrogen fluoride were handled without difficulty; studies were not made at higher concentrations. (auth)
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Pilot-plant studies of the use of a fluidized bed of uranium tetrafluoride to scrub small amounts of uranium hexafluoride from feed plant vent gas streams are de scribed. No operating problems were encountered, and greater than 90% recovery of the uranium hexafluoride was obtained with bed temperatures of 150 to 500 deg F. At higher temperatures, however, a loss in recovery efficiency was noted. Gases containing up to 11.5% uranium hexafluoride, 17.0% fluorine, and 10.5% hydrogen fluoride were handled without difficulty; studies were not made at higher concentrations. (auth)
Key concepts: Uranium hexafluoride, Depleted uranium, Uranium, Hydrogen fluoride, Fluorine, Sulfur hexafluoride, Radiochemistry, Chemistry