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The Sorption and Mechanical Properties of the Modified Concrete Matrix Used for Conditioning of Radioactive Waste

[+] Author Affiliations
Daniela Dogaru

National Commission for Nuclear Activities Control, Bucharest, România

Ortenzia Niculae

National Agency for Radioactive Waste, Arges, România

Gheorghe Dogaru

National Institute for Research & Development of Physics and Nuclear Engineering, Ilfov, România

Gheorghita Jinescu

“Politehnica” University of Bucharest, Bucharest, România

Octavian G. Duliu

University of Bucharest, Bucharest, România

Paper No. ICEM2009-16255, pp. 185-189; 5 pages
doi:10.1115/ICEM2009-16255
From:
  • 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

abstract

The paper describes the results obtained in the laboratory investigations on the mechanical and sorption properties of the cement-based radioactive waste form containing two kinds of sludge in different concentrations. One of them simulates the sludge obtained by treatment of liquid radioactive effluents using an anionic polyelectrolyte named PA-type, and the other one simulates the sludge obtained by decontamination of contaminated surfaces using a hydrogel named pNaAc-type. The influence of the concentration of sludge on the compressive as well as on bending strength of the cement-based radioactive waste forms was studied. The sorption properties of two radionuclides were studied.

Copyright © 2009 by ASME

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