Chapter 28. Interaction of Nuclear Waste Glass with Underground Water in Granite Repository

  1. Todd Jessen and
  2. Ersan Ustundag
  1. Bing-Fu Zhu1,
  2. G. G. Wicks2,
  3. D. E. Clark3 and
  4. A. R. Lodding4

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294628.ch28

24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 21, Issue 3

24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 21, Issue 3

How to Cite

Zhu, B.-F., Wicks, G. G., Clark, D. E. and Lodding, A. R. (2000) Interaction of Nuclear Waste Glass with Underground Water in Granite Repository, in 24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 21, Issue 3 (eds T. Jessen and E. Ustundag), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294628.ch28

Author Information

  1. 1

    Geltech, Inc. 3267 Progress Drive Orlando, FL 32826

  2. 2

    Westinghouse Savannah River Co. Aiken, SC 29808

  3. 3

    Department of Materials Science & Engineering University of Florida Gainesville, FL 32611

  4. 4

    Chalmers University of Technology S-41296 Gothenburg, Sweden

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2000

ISBN Information

Print ISBN: 9780470375686

Online ISBN: 9780470294628

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Keywords:

  • tensile strength;
  • sic grain boundaries;
  • electrons;
  • density-functional theory;
  • electronic structure

Summary

The control of nuclear waste glass leaching in an actual repository environment is important to the safety of an entire nuclear waste disposal system. Leaching of the radioactive elements from a glass surface occurs when underground water reaches the waste form. The dissolved elements from the glass can then be carried away from the burial site by the water. The interaction of the surface of nuclear waste glass with underground water in a granite repository is discussed in terms of elemental mobility and materials in contact with the glass surfaces in the repository. Elemental concentration profiles at the glass surface were obtained and the glass leach rate was calculated. The rate of the interaction between nuclear waste glass surface and underground water was extrapolated to one hundred thousand years based on the leach mechanisms of the glass.