Abstract
Nanoparticle film of copper hexacyanoferrate (CuHCFIII) was developed and coated on the rolled sheet electrodes for column cesium separation from wastewater. Results indicated well balance of Cs adsorption and desorption can be achieved switching the potentials between anodes and cathodes. XPS and isotherm studies indicated the electrochemical oxidation–reduction of Fe(II/III) on the monolayer of the CuHCFIII film made contributions to reversible Cs separation. Minimization of secondary waste, simple regeneration and uniformly coating for any size, suggest a promising column technology for sequential removal of Cs from actual wastewater.
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Acknowledgements
A part of this study is the result of “Compact and reusable cesium recovery system by electrochemical adsorption/desorption” carried out under the Strategic Promotion Program for Basic Nuclear Research by the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT).
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Chen, R., Asai, M., Fukushima, C. et al. Column study on electrochemical separation of cesium ions from wastewater using copper hexacyanoferrate film. J Radioanal Nucl Chem 303, 1491–1495 (2015). https://doi.org/10.1007/s10967-014-3588-x
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DOI: https://doi.org/10.1007/s10967-014-3588-x