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Novel Antimonysilicate Material Quasar-N for the Removal of Radionuclides From Acidic Decontamination Liquids

[+] Author Affiliations
Risto O. Harjula, Airi Paajanen

University of Helsinki, Helsinki, Finland

Paper No. ICEM2009-16157, pp. 313-315; 3 pages
  • ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management
  • ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1
  • Liverpool, UK, October 11–15, 2009
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 978-0-7918-4407-6 | eISBN: 978-0-7918-3865-X
  • Copyright © 2009 by ASME


Novel antimony silicate material, commercially available from PQ Corporation (previously Ineos Silicas) is highly selective for the removal of several key radionuclides (Co-60, Sr-90, Cs-137, Pu-236 and Am-241) from acidic and neutral nuclear waste effluents. The paper will summarise most the key results that have been obtained in the previous studies of the material. In addition, new test results on the removal Co-60, Sr-90, Cs-137 and Am-241 from acid media are reported. Static batch experiments and column experiments show that Am can be removed efficiently from nitric and oxalic acid, indicating that Quasar is suitable e.g. for the purification of acidic decontamination solutions.

Copyright © 2009 by ASME



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