Immobilisation of actinides in phosphate matrices
In the field of the immobilisation of high-activity-level and long-life radwaste (HAVL) for a deep underground repository, several phosphate matrices were already proposed as good candidates to delay the release of actinides in the near-field of such disposal. Among them, thorium phosphate-diphospha...
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| Veröffentlicht in: | Comptes rendus. Chimie 2004-12, Vol.7 (12), p.1141-1152 |
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| container_title | Comptes rendus. Chimie |
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| creator | DACHEUX, Nicolas CLAVIER, Nicolas ROBISSON, Anne-Charlotte TERRA, Olivier AUDUBERT, Fabienne LARTIGUE, Jean-Eric GUY, Christophe |
| description | In the field of the immobilisation of high-activity-level and long-life radwaste (HAVL) for a deep underground repository, several phosphate matrices were already proposed as good candidates to delay the release of actinides in the near-field of such disposal. Among them, thorium phosphate-diphosphate (TPD), monazites/brabantites, britholites, and TPD/monazite composites were extensively studied. The synthesis of samples doped with actinides (Th, U...) through wet and dry chemistry methods then their complete characterisation are reported. Their chemical durability is also examined. These materials appear as promising matrices to immobilise tetravalent and/or trivalent actinides. |
| doi_str_mv | 10.1016/j.crci.2004.02.019 |
| format | Article |
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| issn | 1631-0748 1878-1543 1878-1543 |
| language | eng |
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| source | Elsevier ScienceDirect Journals; EZB Electronic Journals Library |
| subjects | Applied sciences Chemical Physics Energy Exact sciences and technology Fuels Nuclear fuels Physics Preparation and processing of nuclear fuels |
| title | Immobilisation of actinides in phosphate matrices |
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