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. 2014 Nov 28;4(4):894-901.
doi: 10.3390/nano4040894.

Removal of Radioactive Cesium Using Prussian Blue Magnetic Nanoparticles

Sung-Chan Jang  1   2 , Sang-Bum Hong  3 , Hee-Man Yang  4 , Kune-Woo Lee  5 , Jei-Kwon Moon  6 , Bum-Kyoung Seo  7 , Yun Suk Huh  8 , Changhyun Roh  9   10
Affiliations
Free PMC article

Removal of Radioactive Cesium Using Prussian Blue Magnetic Nanoparticles

Sung-Chan Jang et al. Nanomaterials (Basel). .
Free PMC article

Abstract

Radioactive cesium (137Cs) has inevitably become a human concern due to exposure from nuclear power plants and nuclear accident releases. Many efforts have been focused on removing cesium and the remediation of the contaminated environment. In this study, we elucidated the ability of Prussian blue-coated magnetic nanoparticles to eliminate cesium from radioactive contaminated waste. Thus, the obtained Prussian blue-coated magnetic nanoparticles were then characterized and examined for their physical and radioactive cesium adsorption properties. This Prussian blue-coated magnetic nanoparticle-based cesium magnetic sorbent can offer great potential for use in in situ remediation.

Keywords: magnetic nanoparticle; radioactive cesium (137Cs); remediation.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Synthetic procedures for the Prussian blue-coated magnetic nanoparticles. PDDA, poly(diallyldimethylammonium chloride).
Figure 2
Figure 2
Electron microscope images. (A) Transmission electron microscopy (TEM) image of PDDA-coated iron oxide; (B) TEM image of Prussian blue; (C) Scanning electron microscopy (SEM) image of Prussian blue-coated PDDA@Iron oxide.
Figure 3
Figure 3
Fourier-transform infrared (FTIR) spectra of the synthesized materials.
Figure 4
Figure 4
X-ray diffraction (XRD) peaks of Prussian blue and Prussian blue-coated PDDA@Iron oxide.
Figure 5
Figure 5
The separation of radioactive cesium (137Cs) using a magnet from Prussian blue-coated PDDA@Iron oxide.
Figure 6
Figure 6
Removal efficiency of the radioactive cesium (137Cs) using Prussian blue-coated PDDA@Iron oxide.
See this image and copyright information in PMC

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