Method of preparing sodalite from chloride salt occluded zeolite A

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Description

A method is described for immobilizing waste chloride salts containing radionuclides and hazardous nuclear material for permanent disposal starting with a substantially dry zeolite and sufficient glass to form leach resistance sodalite with occluded radionuclides and hazardous nuclear material. The zeolite and glass are heated to a temperature up to about 1,000 K to convert the zeolite to sodalite and thereafter maintained at a pressure and temperature sufficient to form a sodalite product near theoretical density. Pressure is used on the formed sodalite to produce the required density.

Physical Description

15 p.

Creation Information

Lewis, M.A. & Pereira, C. December 31, 1995.

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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. It has been viewed 14 times . More information about this patent can be viewed below.

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Description

A method is described for immobilizing waste chloride salts containing radionuclides and hazardous nuclear material for permanent disposal starting with a substantially dry zeolite and sufficient glass to form leach resistance sodalite with occluded radionuclides and hazardous nuclear material. The zeolite and glass are heated to a temperature up to about 1,000 K to convert the zeolite to sodalite and thereafter maintained at a pressure and temperature sufficient to form a sodalite product near theoretical density. Pressure is used on the formed sodalite to produce the required density.

Physical Description

15 p.

Notes

OSTI as DE97009522

Source

  • Other Information: PBD: 1995

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  • Other: DE97009522
  • Report No.: PATENTS-US--A8375141
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 555322
  • Archival Resource Key: ark:/67531/metadc694705

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

Description Last Updated

  • Dec. 16, 2015, 12:56 p.m.

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Citations, Rights, Re-Use

Lewis, M.A. & Pereira, C. Method of preparing sodalite from chloride salt occluded zeolite A, patent, December 31, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc694705/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.