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Sorption of Caesium on Commercial Magnetite with low Silica Content: Experimental and Modelling

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Abstract

Interaction of Cs on commercial magnetite has been studied under different experimental conditions at high solid/liquid ratios. At pH 8.2 the Freundlich isotherm was able to describe an important range of the experimental data and at high Cs concentration surface precipitation was found likely to occur. Special attention has been given to silica, present in the system as an impurity of magnetite, since it plays an important role on the sorption mechanism in which a ternary complex magnetite-Si-Cs is formed.

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Acknowledgments

The authors would like to thank Ana González and Dr. Josep Torras for his help in the experimental work and ICP-MS measurements respectively. Thanks are also due to Aurora Martínez-Esparza for their interest in our work. This work was funded by ENRESA.

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Rovira, M., Pablo, J.d., Casas, I. et al. Sorption of Caesium on Commercial Magnetite with low Silica Content: Experimental and Modelling. MRS Online Proceedings Library 807, 754–759 (2003). https://doi.org/10.1557/PROC-807-677

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  • DOI: https://doi.org/10.1557/PROC-807-677

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