Sodium titanate materials which have a layered structure consisting of titanate layers and exchangeable sodium ions are promising inorganic ionic exchangers for strontium adsorption from aqueous solution. The materials used in this study include samples synthesized in a hydrothermal method at different temperatures between 60°C and 200°C. Batch kinetics experiments for strontium removal from aqueous solution were performed. Kinetics data were fitted by using a pseudo second order reaction model and a diffusive model. It was shown that the sorption process occurs in one or two diffusion-controlled steps that depend on the synthesis temperature. The strontium extraction capacity depends on the synthesis temperature with a maximum for sample synthesis at 100°C. This sample has good properties of decontamination at laboratory scale.
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ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management
September 25–29, 2011
Reims, France
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-5498-3
PROCEEDINGS PAPER
Sodium Nonatitanate for Removal Radioactive Strontium From Aqueous Contaminated Effluent
Aure´lie Merceille,
Aure´lie Merceille
Laboratoire des Proce´de´s Avance´s de De´contamination, CEA, Bagnols-sur-ce`ze, France
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Agne`s Grandjean,
Agne`s Grandjean
Laboratoire Nanomate´riaux, Energie et Recyclage, ICSM, Bagnols-sur-ce`ze, France
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Yves Barre´
Yves Barre´
Laboratoire des Proce´de´s Avance´s de De´contamination, CEA, Bagnols-sur-ce`ze, France
Search for other works by this author on:
Aure´lie Merceille
Laboratoire des Proce´de´s Avance´s de De´contamination, CEA, Bagnols-sur-ce`ze, France
Agne`s Grandjean
Laboratoire Nanomate´riaux, Energie et Recyclage, ICSM, Bagnols-sur-ce`ze, France
Yves Barre´
Laboratoire des Proce´de´s Avance´s de De´contamination, CEA, Bagnols-sur-ce`ze, France
Paper No:
ICEM2011-59083, pp. 863-868; 6 pages
Published Online:
August 17, 2012
Citation
Merceille, A, Grandjean, A, & Barre´, Y. "Sodium Nonatitanate for Removal Radioactive Strontium From Aqueous Contaminated Effluent." Proceedings of the ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B. Reims, France. September 25–29, 2011. pp. 863-868. ASME. https://doi.org/10.1115/ICEM2011-59083
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