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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472
EISSN: 1735-2630
Vol. 12, No. 11, 2015, pp. 3695-3700
Bioline Code: st15346
Full paper language: English
Document type: Short Communication
Document available free of charge

International Journal of Environment Science and Technology, Vol. 12, No. 11, 2015, pp. 3695-3700

 en Magnetic composites as an effective technology for removal of radioactive cesium
Jang, S.-C.; Kim, G. Y.; Hong, S. B.; Yang, H.-M.; Lee, K.-W.; Moon, J.-K.; Seo, B.-K.; Cho, Y.; Huh, Y. S. & Roh, C.

Abstract

Radioactive cesium (137Cs) has seriously become a human concern owing to exposure from a nuclear accident release at a nuclear plant. Many efforts have focused at the removal of radioactive cesium and remediation of a contaminated environment. To meet these demands, an effective sorbent based on magnetic composites functionalized with synthetic clay minerals was demonstrated. This sorbent shows a high removal efficiency of contaminated water containing suspended sorbents at a level of 0.5 mg ml-1 [137Cs of 84.68 Becquerel (Bq) gram (g)-1], decontaminated to 0.47 Bq g-1 (99.44 % removal efficiency) with just one treatment. The radioactive cesium is dramatically adsorbed into synthetic clay minerals. Subsequently, a rapid and easy sorbent separation from the radioactive cesium solution occurs after treatment using a magnetic field. Thus, a magnetic sodium-phlogopite sorbent can offer high potential for in situ remediation.

Keywords
Magnetic composites; Remediation Cesium; Sorbent; Removal

 
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