Patents Assigned to The United States of America as repesented by the United States Energy Research and Development Administration
  • Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels
    Patent number: 3965237
    Abstract: The present invention provides an improved dissolution process for ZrO.sub.2 -UO.sub.2 -CaO-type pressurized water reactor fuels. The zirconium cladding is dissolved with hydrofluoric acid, immersing the ZrO.sub.2 -UO.sub.2 -CaO fuel wafers in the resulting zirconium-dissolver-product in the dissolver vessel, and nitric acid is added to the dissolver vessel to facilitate dissolution of the uranium from the ZrO.sub.2 -UO.sub.2 -CaO fuel wafers.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: June 22, 1976
    Assignee: The United States of America as repesented by the United States Energy Research and Development Administration
    Inventor: Bernice E. Paige