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Development of Foam Floating Decontamination System for Radioactive Solid Wastes From MOX-Fuel Fabrication

[+] Author Affiliations
T. Okada, S. Uematsu, N. Tobita, J. Kato

Japan Nuclear Cycle Development Institute, Ibaraki, Japan

Paper No. ICEM2003-4822, pp. 1505-1507; 3 pages
  • ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation
  • 9th ASME International Conference on Radioactive Waste Management and Environmental Remediation: Volumes 1, 2, and 3
  • Oxford, England, September 21–25, 2003
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 0-7918-3732-7 | eISBN: 0-7918-3731-9
  • Copyright © 2003 by ASME


The foam floating decontamination (FFD) method consists of floating, carrying and removing processes of minute particle contaminatns, such as MOX powder, by foam. In this study the zirconia powder was used to simulate MOX powder. This study describes the behavior of floating zirconia powder within the FFD method. It has shown that the foam is able to float and to carry the zioconia powders, which have grain size distributions of φ 5–50 μ m, from the bottom to the top of a column. It is expected that the FFD would be very useful as a decontamination method of MOX fuel fabrication installations.

Copyright © 2003 by ASME



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