Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

  Open access peer reviewed journal


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Nucl. Phys. At. Energy 2017, volume 18, issue 1, pages 106-114.
Section: Engineering and Methods of Experiment.
Received: 18.11.2016; Accepted: 15.06.2017; Published online: 7.08.2017.
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https://doi.org/

New composite fibres for natural and waste waters decontamination from cesium radionuclides

Yu. V. Bondar1,*, S. V. Kuzenko1, V. M. Slyvinsky1, T. I. Koromyslichenko2

1 State Institution "Institute of Environmental Geochemistry", National Academy of Sciences of Ukraine, Kyiv, Ukraine
2 M. P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation, National Academy of Sciences of Ukraine, Kyiv, Ukraine


*Corresponding author. E-mail address: juiliavad@yahoo.com.

Abstract: New composite adsorbent based on modified polyacrylonitrile fibers is synthesized by in situ deposition of potassium-nickel ferrocyanide layer on the fibers surface. It is shown that the ferrocyanide phase forms a compact homogeneous layer on the fibers surface consisted of rounded nanoaggregates (∼ 40 - 50 nm). Composite fibers are chemically stable in both acidic and alkaline solutions. Sorption experiments have demonstrated that synthesized fibers are high-selective adsorbents and can be used for the purification of natural waters and high-salt solutions from cesium radionuclides.

Keywords: composite adsorbent, polyacrylonitrile fibers, potassium-nickel ferrocyanide, selectivity, 137Cs, high-salt solutions, liquid radioactive waste.

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