International Journal of Environmental Protection          
An Open Access Journal
ISSN: 2226-6437(Print)      ISSN: 2224-7777(Online)
Frequency: Annually
Editorial-in-Chief: Prof. Kevin Mickus,
Missouri University of Science & Technology, USA.
Computer Modeling and Laboratory Experiments to Design Sorbents for Remediating Radiologically Contaminated Soil and Water: Nanoscale Structured Surface Layers
Full Paper(PDF, 746KB)
Abstract:
This research illustrates the application of a combination of computer modeling and laboratory experiments to designing nanoscale structural surface layers of compositions for remediating radiologically contaminated soil and water. Natural sorbents and sorption materials with nanoscale structured surface layers of various structures are compared in terms of sorption efficiencies. Monte Carlo simulation to generate numerical calculations and chemical and physical analyses to verify the modeling predictions of the structure of metallic surface zones synthesized by ionic beams was performed. Fe, Al, and Al2O3 compositions were irradiated with Ti ions to form nanoscale structured surface layers of various structures. 90Sr and 137Cs were used in the laboratory experiments to assess sorbent performance. The results demonstrate that using the sorbents with new structural forms of a surface produces increased efficiency in potential radionuclide sorption.
Keywords:Ionizing Fluxes; Radiation Factor; Materials Science; Modeling; Natural Sorbents; Nano Structured Surfaces; Synthesized Compositions; Soil Solutions
Author: A.I. Ksenofontov1, E.I. Kurbatova1, J.L. Regens2
1.Moscow Engineering Physics Institute, National Research Nuclear University, 31 Kashirskoe Shosse, 115409 Moscow, Russia
2.University of Oklahoma Health Sciences Center, 755 Research Parkway, Suite 520, Oklahoma City, OK 73104, USA
References:
  1. C-P Lee, Y-L Jan, P-L Lan, Y.Y. Wei, S.P. Teng, C.N. Hsu. Anaerobic and Aerobic Sorption of Cesium and Selenium on Mudrock. Journal of Radioanalytical and Nuclear Chemistry, 274, 1, 145- 151, 2007.
  2. A.I. Ksenofontov, V.A. Klimanov, E.I. Kurbatova, V.L. Romodanov, S.A. Sobko, Yu.G. Smirnov, J.L. Regens. Synthesis of New Material Compositions with Special Properties under Impact-Dynamic Conditions. Journal of Physics and Chemistry of Solids, 69, 9, 2252-2254, 2008.
  3. A.K. Pikaev. Modern Radiation Chemistry. Moscow, 1985.
  4. N.V. Pleshivtsev, A.I. Bazhin. Physics of Influence of Ionic Beams on Materials, Vyshaya shkola, Moscow, 1998, pp. 392.
  5. V.A. Kurnaev, N.N. Trifonov. Physica Scri. Vol. 103 (2003), 85–88.
  6. A.I. Ksenofontov, E.I. Kurbatova, A.M. Dmitriev. Modeling and Study of Application of Multi-Targeting Substances for Radiological and Biological Rehabilitation of Sites after Events of Terrorism. Proceedings of Technical Workshop in Response to Chemical, Biological, and Radiological/Nuclear Terrorist Attacks. Ottawa, Canada. 2009, p. 105.
  7. A.I. Gusev. Nanomaterials, Nanostructures, and Nanotechnologies. Moscow, 2005.
  8. A.I. Ksenofontov, V.M. Dyomin et al. Modeling and Research of Ionizing Radiation Impact and Corrosion Environments on Composite Materials with Nano Structured Embedment of Group IV-V Metals for Development of New Nuclear Technologies. Thesis of the 1-st All-Russia Conference “Multiscale Modeling of Processes and Structures in Nano Technologies”, Moscow, MEPhI, 2008.
  9. E.I. Kurbatova, A.I. Ksenofontov et al. The Development of Microplasma Technology Aspects for Operation Safety Increase of Materials of Fuel Elements Shells. Abstracts of International Conference “XI Zababakhin Scientific Talks”. Snezhinsk 2012, p. 262.
  10. T. Zemcik, J. Ryba. Influence of Surface on the Nanocrystalline Structure Formation. Hyperfine Interactions, 83, 1, 299-303, 1994.
  11. G. Herzberg. Atomic Spectra and Atomic Structure. New York, 1944.