Improved electrorefiner

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Description

This invention relates to a process and apparatus for electrochemically refining spent nuclear fuel from a nuclear reactor and recovering purified uranium and a mixture of uranium and plutonium for use as fresh blanket and core fuel in a nuclear reactor. An apparatus, capable of functioning as a solid cathode and for removing crystalline structure from the upper surface of a liquid cathode, includes a metallic support vertically disposed with respect to an electrically insulating container capable of holding a liquid metal cathode. A piston of electrically insulating material is mounted on the drive tube, surrounding the current lead, for ... continued below

Physical Description

14 p.

Creation Information

Miller, W.E. & Tomczuk, Z. December 31, 1994.

Context

This patent is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this patent can be viewed below.

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Description

This invention relates to a process and apparatus for electrochemically refining spent nuclear fuel from a nuclear reactor and recovering purified uranium and a mixture of uranium and plutonium for use as fresh blanket and core fuel in a nuclear reactor. An apparatus, capable of functioning as a solid cathode and for removing crystalline structure from the upper surface of a liquid cathode, includes a metallic support vertically disposed with respect to an electrically insulating container capable of holding a liquid metal cathode. A piston of electrically insulating material is mounted on the drive tube, surrounding the current lead, for vertical and rotational movement with respect thereto including a downwardly extending collar portion surrounding the metallic current lead. At least one portion of the piston remote from the metallic current lead is removed. A mechanism is included for lowering the piston to the surface of the liquid cathode and raising the piston from the surface along with mechanism for rotating the piston around its longitudinal axis.

Physical Description

14 p.

Notes

OSTI as DE97009532

Source

  • Other Information: PBD: 1994

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  • Other: DE97009532
  • Report No.: PATENTS-US--A8272376
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 555313
  • Archival Resource Key: ark:/67531/metadc692942

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • December 31, 1994

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

Description Last Updated

  • Dec. 16, 2015, 5:07 p.m.

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Citations, Rights, Re-Use

Miller, W.E. & Tomczuk, Z. Improved electrorefiner, patent, December 31, 1994; Illinois. (digital.library.unt.edu/ark:/67531/metadc692942/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.