Planning

Monday, February 2, 2026

Time Event (+)
13:30 - 13:45 Connection to the Conference - The times are those of UTC+01:00  
13:45 - 14:00 Introduction to NFC3 - Organizing Committee  
14:00 - 15:40 Material Chemistry - Chairpersons : Eleanor L. BRIGHT (ESRF - HZDR), Matthieu VIROT (ICSM) & Philippe MARTIN (CEA) (+)  
14:00 - 14:15 › Hydrothermal reduction conversion of uranium (VI) to UO2 using carboxylic acids - Dorian LAFFONT - ICSM  
14:20 - 14:35 › Impact of microstructural properties on the dissolution kinetics of MOx (U,Pu)O2 fuel - Vincent BOSQUE GUARDIA, CEA  
14:40 - 14:55 › The oxidation of Ln-doped UN spent fuel materials: structural and thermodynamic considerations - Pascal UHLEMANN, Forschungszentrum Jülich GmbH  
15:00 - 15:15 › Multi-colloidal self-assembly route for the preparation of Mixed Oxide nuclear fuels - Hélène BARBIER, ICSM  
15:20 - 15:35 › Cerium Speciation in Molten Salt Environments - Sheridon KELLY, LLNL, LANL  
15:40 - 16:00 Break  
16:00 - 16:40 KEYNOTE #1: Crystallographic relationships and intermediate oxides in the oxidation of UO₂ - Eleanor Lawrence BRIGHT, ESRF-Rossendorf & HZDR  
16:40 - 18:00 Material Chemistry (+)  
16:40 - 16:55 › Understanding the sintering of MOX nuclear fuels: challenges associated with the characterization of a multiphasic microstructure - Evan MOREL, CEA  
17:00 - 17:15 › Alternative deconversion pathway for UF6 and uranium recovery - Renee OLNEY, University of Nevada, Las Vegas  
17:20 - 17:35 › Impact of hydroxide precipitation on the Sintering and Chemical Durability of U1-xThxO2 solid solutions - Lorenzo CALLEJON, ICSM  
17:40 - 17:55 › Impact of fission products on the thermophysical properties of (U,Pu)O2-x fuels using a SIMMOx approach - Matthias ROUCAYROL, CEA  

Tuesday, February 3, 2026

Time Event (+)
13:45 - 14:00 Connection to the Conference - The times are those of UTC+01:00  
14:00 - 15:40 Separation chemistry - Chairpersons: Elena MACERATA (POLIMI) & Jessica JACKSON (Colorado School of Mines) (+)  
14:00 - 14:15 › Actinide precipitation in complex organic media - Mathéo HENRY, ICSM  
14:20 - 14:35 › Hydrophobic CMPO-based low-melting mixtures for sustainable Spent Nuclear Fuel recycling - Massimiliano F. S. TENTORIO, Politecnico di Milano  
14:40 - 14:55 › Molecular Dynamics Study of Uranium Extraction from TBP/Heptane Solutions Using Amidoxime-Grafted Silica - Emília V. F. DE ARAGAO, CEA  
15:00 - 15:15 › Impact of Accumulated TODGA Degradation Compounds on a CHON-Compliant AmSel Process - Pablo VACAS-ARQUERO, CIEMAT  
15:20 - 15:35 › Use of diglycolamide derivatives for rhodium recovery - Vairani AMARU, CEA  
15:40 - 16:00 Break  
16:00 - 16:40 KEYNOTE #2: f-Element Separations with a Focus on Uranium Recycling - Santa JANSONE POPOVA, Oak Ridge National Laboratory  
16:40 - 18:00 Separation chemistry - Jessica JACKSON (Colorado School of Mines) & Elena MACERATA (POLIMI) (+)  
16:40 - 16:55 › Oxidant-free oxidative separation of Bk(IV)/Cf(III) and Ce(IV)/Ln(III) using 3,4,3-LI-(1,2-HOPO) and Design of Experiments - Elise ENG, University of California Berkeley, LBNL  
17:00 - 17:15 › Self-assembly of grafted surfactants for actinides extraction under cloud point conditions - Morvan GAUDIN, CEA  
17:20 - 17:35 › Kinetic Studies of U(IV) and Pu(IV) in Aqueous Nitric and TBP/Dodecane Solutions - Matthew COMINS, PNNL  
17:40 - 17:55 › Controlling Viscosity and Interfacial Properties in Monoamide Solvents: Roles of Nitric Acid, Uranium, and Phase Modifiers - Anh DANG, Colorado School of Mines  

Wednesday, February 4, 2026

Time Event (+)
13:45 - 14:00 Connection to the Conference - The times are those of UTC+01:00  
14:00 - 15:20 Solution Chemistry - Chairperons: Koichiro TAKAO (Institute of Science Tokyo) & Melody MALOUBIER (IJCLab) (+)  
14:00 - 14:15 › Ruthenium speciation during acidification of alkaline solution using a UV-Visible fast detector and an in situ probe - Mathis LEBLANC, CEA  
14:20 - 14:35 › Inactive studies into the effect of insoluble fission products on the generation of Ag2+ for the dissolution of MOx fuel - Nicholas BRAMAH, Lancaster University  
14:40 - 14:55 › Experimental and Quantum Chemical Insights into the Coordination Chemistry of Protactinium(V) in Chloride Media - Tamara SHAABAN, PhLAM  
15:00 - 15:15 › Destabilization pathway of the [Pu₆O₄(OH)₄]¹²⁺ cluster in acetate medium - Maëva MUNOZ, CEA  
15:20 - 15:40 Break  
15:40 - 16:20 KEYNOTE #3: Actinide Colloidal Phases and their Impact on Nuclear Waste Management - Julia NEUMANN, Argonne National Laboratory  
16:20 - 17:40 Conditioning and Repository - Chairperons: Thierry MENNECART (SCK-CEN) & Nicolas DACHEUX (ICSM-UM) (+)  
16:20 - 16:35 › Aging and Oxidation Processes of UO2 Nanoparticle Materials Under Ambient Conditions Relevant to Interim Storage of Spent Fuel - Kevin David STUKE, Research Centre Juelich GmbH  
16:40 - 16:55 › Synthesis, Formation and Characterization of Chukanovite (Fe2(OH)2CO3) and Its Role in the Dissolution of MOX Fuel under Reducing Conditions - Mustapha Gida SALEH, Chalmers University of Technology  
17:00 - 17:15 › Investigations Into the Spectroscopic Changes of Actinyls Based on Hydroxide and Nitrate Ligation - Castro LESLIE, University of California Berkeley, LBNL  
17:20 - 17:35 › Towards an Understanding of the Behaviour of Ruthenium in the Vitrification of Highly Active Waste: A Study of the Volatilisation of RuO2 - Bibi SHEHRBANO, Lancaster University  
17:40 - 17:45 Closure of NFC3 - Organizing Committee  
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