[Séparation de radionucléides à vie longue des déchets nucléaires de haute activité]
The management of vitrified high activity waste issued from the reprocessing of spent nuclear fuel is often made questionable by the presence within this waste of long-lived radionuclides (LLRNs). New management scenarios of this waste are under study at the CEA since the beginning of the 1990s, involving the development of separation processes for some LLRNs. Six LLRNs are the targets of these studies; they are: (i) the minor actinides: neptunium, americium and curium; (ii) the fission products: technetium, iodine and caesium. The present paper highlights the main achievements of the research performed at the CEA in this field.
La gestion à très long terme des déchets de haute activité vitrifiés issus du retraitement des combustibles nucléaires usés est souvent mise en question par la présence dans ces déchets de radionucléides à vie longue (RNVL). De nouvelles méthodes de gestion de ces déchets sont à l'étude au CEA depuis le début des années 1990, qui ont conduit à la mise au point de procédés de séparation de certains RNVL. Six RNVL font l'objet de ces recherches, ce sont : (i) les actinides mineurs : neptunium, américium et curium, et (ii) les produits de fission : technétium, iode et césium. Cet article fait le point de l'état d'avancement des recherches menées au CEA dans ce domaine.
Accepté le :
Publié le :
Mots-clés : déchets nucléaires, retraitement poussé, radionucléides à vie longue, extraction liquide–liquide
Charles Madic 1 ; Michaël Lecomte 2 ; Pascal Baron 2 ; Bernard Boullis 2
@article{CRPHYS_2002__3_7-8_797_0, author = {Charles Madic and Micha\"el Lecomte and Pascal Baron and Bernard Boullis}, title = {Separation of long-lived radionuclides from high active nuclear waste}, journal = {Comptes Rendus. Physique}, pages = {797--811}, publisher = {Elsevier}, volume = {3}, number = {7-8}, year = {2002}, doi = {10.1016/S1631-0705(02)01370-1}, language = {en}, }
TY - JOUR AU - Charles Madic AU - Michaël Lecomte AU - Pascal Baron AU - Bernard Boullis TI - Separation of long-lived radionuclides from high active nuclear waste JO - Comptes Rendus. Physique PY - 2002 SP - 797 EP - 811 VL - 3 IS - 7-8 PB - Elsevier DO - 10.1016/S1631-0705(02)01370-1 LA - en ID - CRPHYS_2002__3_7-8_797_0 ER -
%0 Journal Article %A Charles Madic %A Michaël Lecomte %A Pascal Baron %A Bernard Boullis %T Separation of long-lived radionuclides from high active nuclear waste %J Comptes Rendus. Physique %D 2002 %P 797-811 %V 3 %N 7-8 %I Elsevier %R 10.1016/S1631-0705(02)01370-1 %G en %F CRPHYS_2002__3_7-8_797_0
Charles Madic; Michaël Lecomte; Pascal Baron; Bernard Boullis. Separation of long-lived radionuclides from high active nuclear waste. Comptes Rendus. Physique, Volume 3 (2002) no. 7-8, pp. 797-811. doi : 10.1016/S1631-0705(02)01370-1. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(02)01370-1/
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- Defects induced by electron irradiation in hollandite ceramics, specific radioactive cesium-host wasteforms: a 57Fe Mössbauer study, Hyperfine Interactions, Volume 166 (2006) no. 1-4, p. 489 | DOI:10.1007/s10751-006-9313-6
- Preparation and application of organo-modified zeolitic material in the removal of chromates and iodides, Journal of Hazardous Materials, Volume 137 (2006) no. 3, p. 1410 | DOI:10.1016/j.jhazmat.2006.04.028
- Crystallization of neodymium-rich phases in silicate glasses developed for nuclear waste immobilization, Journal of Nuclear Materials, Volume 354 (2006) no. 1-3, p. 143 | DOI:10.1016/j.jnucmat.2006.03.014
- Paramagnetic defects induced by electron irradiation in barium hollandite ceramics for caesium storage, Journal of Physics: Condensed Matter, Volume 18 (2006) no. 16, p. 4007 | DOI:10.1088/0953-8984/18/16/009
- Application of N,N′-tetrasubstituted malonamides to the recovery of iron(III) from chloride solutions, Hydrometallurgy, Volume 77 (2005) no. 1-2, p. 103 | DOI:10.1016/j.hydromet.2004.10.014
- Alpha self-irradiation effects in ternary oxides of actinides elements: The zircon-like phases AmIIIVO4 and AIINpIV(VO4)2 (A=Sr, Pb), Journal of Solid State Chemistry, Volume 178 (2005) no. 6, p. 1898 | DOI:10.1016/j.jssc.2005.03.039
- Separation of Cesium and Strontium from Residues Arising from Fluoride Volatility Processing of Spent Nuclear Fuel, Separation Science and Technology, Volume 40 (2005) no. 1-3, p. 17 | DOI:10.1081/ss-200041756
- Selective Actinide Extraction with a Tri‐Synergistic Mixture Using a Centrifugal Contactor Battery, Solvent Extraction and Ion Exchange, Volume 23 (2005) no. 6, p. 773 | DOI:10.1080/07366290500294905
- Glass–ceramic nuclear waste forms obtained from SiO2–Al2O3–CaO–ZrO2–TiO2 glasses containing lanthanides (Ce, Nd, Eu, Gd, Yb) and actinides (Th): study of internal crystallization, Journal of Nuclear Materials, Volume 335 (2004) no. 1, p. 14 | DOI:10.1016/j.jnucmat.2004.05.020
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- Radiation Effects on Hollandite Ceramics developed for Radioactive Cesium Immobilization, MRS Proceedings, Volume 792 (2003) | DOI:10.1557/proc-792-r2.3
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