Abstract
Since the Fukushima plant accident took place in 2011, a large amount of radioactive cesium ions have been released and their separation from wastewater has been a major concern. Herein, we have synthesized a Cs-137 adsorbent: calcium-doped Prussian Blue (Ca-PB), using a simple solution co-precipitation technique. The adsorbent was characterized by FTIR and XRD, and systematically evaluated the kinetics and adsorption equilibrium for Cs+ adsorbed to Ca-PB. The experimental data were followed by a pseudo-second order kinetic model and well adapted to Langmuir’s isothermal model. The research showed that Ca-PB can be used to treat water contaminated by Cs-137 in extremely acidic conditions.
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Acknowledgements
The authors would like to thank anonymous reviewers for their valuable comments. The work is supported in part by the General Project of Scientific Research Fund of Hunan Provincial Education Department (grant number 18C0461).
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Li, T., Xia, L. Kinetic and equilibrium studies of Cs-137 sorption on calcium-doped Prussian blue. J Radioanal Nucl Chem 328, 1011–1018 (2021). https://doi.org/10.1007/s10967-021-07742-8
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DOI: https://doi.org/10.1007/s10967-021-07742-8