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Modeling the Decontamination by Electromigration of a Porous Medium

卷 7, 册 3, 2004, 14 pages
DOI: 10.1615/JPorMedia.v7.i3.50
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摘要

The objective of this article is to provide a better understanding on the transport of radioelements through a porous medium (cementitious material). We focus on electrokinetic methods where an external current and a lixiviant solution accelerate the transport of the radionuclides from the porous medium to the exterior. This work sheds light on the interactions between the porous medium and the radionuclide of interest. A numerical model is developed in order to describe the concentration profiles inside the porous medium during a decontamination test, and to predict the decontamination rate of the sample. The final objective of this work is to assist the development of industrial processes of decontamination.

对本文的引用
  1. Lorente Sylvie, Constructal view of electrokinetic transfer through porous media, Journal of Physics D: Applied Physics, 40, 9, 2007. Crossref

  2. Lorente S., Bejan A., Constructal Design of Vascular Porous Materials and Electrokinetic Mass Transfer, Transport in Porous Media, 77, 2, 2009. Crossref

  3. Lorente Sylvie, Yssorche-Cubaynes Marie-Pierre, Auger Jérome, Sulfate transfer through concrete: Migration and diffusion results, Cement and Concrete Composites, 33, 7, 2011. Crossref

  4. Frizon F., Lorente S., Auzuech C., Nuclear decontamination of cementitious materials by electrokinetics: An experimental study, Cement and Concrete Research, 35, 10, 2005. Crossref

  5. Voinitchi D., Julien S., Lorente S., The relation between electrokinetics and chloride transport through cement-based materials, Cement and Concrete Composites, 30, 3, 2008. Crossref

  6. Min Byung-Youn, Choi Wang-Kyu, Lee Kune-Woo, Separation of clean aggregates from contaminated concrete waste by thermal and mechanical treatment, Annals of Nuclear Energy, 37, 1, 2010. Crossref

  7. Min Byung-Youn, Choi Wang-Kyu, Lee Kune-Woo, VOLUME REDUCTION OF DISMANTLED CONCRETE WASTES GENERATED FROM KRR-2 AND UCP, Nuclear Engineering and Technology, 42, 2, 2010. Crossref

  8. Ottosen Lisbeth M., Christensen Iben V., Rörig-Dalgård Inge, Jensen Pernille E., Hansen Henrik K., Utilization of electromigration in civil and environmental engineering—Processes, transport rates and matrix changes, Journal of Environmental Science and Health, Part A, 43, 8, 2008. Crossref

  9. Kim Seung-Soo, Kim Wan-Suk, Kim Gye-Nam, Park Hye-Min, Park Uk-Ryang, Moon Jei-Kwon, Decontamination of uranium-contaminated concrete, Journal of Radioanalytical and Nuclear Chemistry, 298, 2, 2013. Crossref

  10. Configurations for Electrokinetic Mass Transfer, in Design with Constructal Theory, 2008. Crossref

  11. Kim Seung-Soo, Kim Gye-Nam, Park Uk-Ryang, Moon Jei-Kwon, Development of a practical decontamination procedure for uranium-contaminated concrete waste, Journal of Radioanalytical and Nuclear Chemistry, 302, 1, 2014. Crossref

  12. García Hernández Laura, Vargas-Ramírez Marissa, Reyes Cruz Victor, Cruz Ramírez Alejandro, Physical and Mathematical Study of the Electroremediation Process in a Cylindrical Cell, Materials Science Forum, 691, 2011. Crossref

  13. Lorente Sylvie, The Constructal Theory of Electrokinetic Transport Through a Porous System, in Constructal Law and the Unifying Principle of Design, 2013. Crossref

  14. Lorente Sylvie, Constructal Law Applications to Efficient Design: Electrokinetics Systems and Enclosures for Heat Transfer, Journal of Heat Transfer, 137, 6, 2015. Crossref

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