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Sorption of cesium on copper hexacyanoferrate/polymer/silica composites in batch and dynamic conditions |
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| Authors: | S Milonji I Bispo M Fedoroff C Loos-Neskovic C Vidal-Madjar |
| Institution: | (1) Laboratoire Pierre Süe CEA-CNRS, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France;(2) Centre d'Etudes de Chimie Métallurgique, CNRS, 15, rue Georges Urbain, 94407 Vitry-sur-Seine, France;(3) Laboratoire de Recherche sur les Polymères (CNRS), 2-8 rue Henry Dunant, 94320 Thiais, France;(4) Vin Institute of of Nuclear Sciences, P.O. Box 522, Belgrade, Yugoslavia |
| Abstract: | The sorption of cesium ions from aqueous solutions on composite sorbents was investigated in static (by the batch method) and dynamic (on column) conditions. The composite sorbents consisted of copper hexacyanoferrate retained by an anion-exchange polymeric layer bound to porous silica beads. The influence of cesium concentration and solution flow rates on cesium sorption were studied. The cesium sorption isotherm obtained is of the Langmuir type. The shape of the breakthrough curves and the sorption capacity for cesium depend on the preparation procedure of the composites. |
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