Welcome and Introduction

Stefan Neumeier

Forschungszentrum Jülich GmbH, Germany

Status of the German nuclear waste management program and current R&D activities and priorities of the German implementer

Axel Liebscher

BGE, Germany

Effect of Glass Content on the Phase Assemblage and Processing Requirements of Zirconolite Glass-Ceramics for Actinide Immobilisation

Joel L. Abraham¹, Pranesh Dayal², Rifat Farzana², Robert D. Aughterson², Zhaoming Zhang², Rohan Holmes², Gerry Triani², Jessica L. Hamilton³, Charles C. Sorrell¹, Pramod Koshy¹, Daniel J. Gregg²

¹School of Materials Science and Engineering, UNSW Sydney, Kensington, NSW 2052, Australia; ²Australian Nuclear Science and Technology Organisation (ANSTO), Locked Bag 2001, Kirrawee DC, NSW 2232, Australia; ³Australian Synchrotron (ANSTO), Clayton, VIC 3800, Australia

Aeschynite glass-ceramic composites as flexible wasteforms for minor actinide wastes

Malin Christian John Dixon Wilkins, John Stuart McCloy

Institute of Materials Research, Washington State University, Pullman, WA 99164, United States of America

Pollucite Glass-Ceramics for the Immobilisation of Cs-Loaded IONSIV Media

Daniel Gregg¹, Edward Whitelock², Pramod Koshy², Joel Abraham^1,2, Pranesh Dayal¹, Rifat Farzana¹, Ghazaleh Bahman-Rokh¹, Iveta Kurlapski¹, Anton Peristyy¹, Phillip Sutton¹

¹ANSTO, Australia; ²University of New South Wales, Australia

Rare-Earth Phosphate Materials for Nuclear Waste Storage Applications

Mohamed Ruwaid Rafiuddin

UNIVERSITY OF HUDDERSFIELD, United Kingdom

An(IV) doped monazite-cheralite as potential matrices for the long-term conditioning of radionuclides

Alison Roche¹, Stéphanie Szenknect¹, Joseph Lautru¹, Adel Mesbah², Nicolas Clavier¹, Nicolas Dacheux¹

¹ICSM, Univ Montpellier , CNRS, CEA, ENSCM, Site de Marcoule, 30207 Bagnols/Ceze, France; ²Univ Lyon, Université Lyon 1, IRCELYON, CNRS, 69626 Villeurbanne Cedex, France

Development of Advanced Ceramic Wasteforms for Separated Actinide Disposition

Lewis Blackburn, Amber Mason, Laura Gardner, Luke Townsend, Claire Corkhill

University of Sheffield, United Kingdom

Sol-Gel Synthesis of Zirconolite Wasteforms

Mohamed Ruwaid Rafiuddin

UNIVERSITY OF HUDDERSFIELD, United Kingdom

Detailed Investigation of Canister-Wasteform Interaction Zone for Pu-bearing Zirconolite-rich Wasteforms

Pranesh Dayal, Rifat Farzana, Yingjie Zhang, Greg Lumpkin, Rohan Holmes, Gerry Triani, Daniel Gregg

ANSTO, Australia

Measurement of Salt Formation during Vitrification with Millimeter Wave Radiometry

John M. Bussey¹, Ian A. Wells¹, Sam E. Karcher¹, Natalie J. Smith-Gray², John S. McCloy¹

¹School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, USA, 99163; ²Walla Walla University, College Place, WA, USA 99324

Influence of SrF2 additions within iron-phosphate glass

Max Rhys Cole, Russell J Hand

Immobilisation Science Laboratory, University of Sheffield, United Kingdom

Reactivity of Silicate Glasses as a Function of Solution Saturation State

Jonathan P. Icenhower, Nicholas M. Stone-Weiss, Randall E. Youngman, Nicholas J. Smith, Kyle T. Hufziger, Albert J. Fahey, Hugh M. McMahon, Robert R. Hancock, Jenna B. Yehl

Corning Incorporated, United States of America

Durability Testing of Actual Hanford Waste Glasses Versus their Non-Radioactive Simulant Glasses

Joelle T Reiser, Elsa A Cordova, James J Neeway, Scott K Cooley, Benjamin Parruzot, John D Vienna

Pacific Northwest National Laboratory, United States of America

Inducing the Resumption of Alteration in Simulant UK Radioactive Waste Glasses

Thomas James Foster Ross, Thomas Lawrence Goût, Ian Farnan

Department of Earth Sciences, University of Cambridge, Downing St., Cambridge, Cambs. CB2 3EQ, UK

Ceramic waste forms for the specific immobilization of radionuclides: from synthesis to long-term behavior

Nicolas Dacheux¹, Stephanie Szenknect², Renaud Podor³, Nicolas Clavier³

¹ICSM, University of Montpellier, France; ²ICSM, CEA, France; ³ICSM, CNRS, France

Evaluation of surrogate-models for the incorporation of tetravalent actinides in monazite- and zircon-type phases for long-term disposal

Theresa Lender¹, Luiza Braga Ferreira dos Santos², Nina Huittinen², Kristina Kvashnina², Elena Bazarkina², Peter Appel³, Lars Peters¹

¹Institute of Crystallography, Rheinisch–Westfälische Technische Hochschule Aachen University, Jägerstr. 17–19, 52066 Aachen; ²Institute of Resource Ecology, Helmholtz–Zentrum Dresden–Rossendorf, Bautzner Landstr. 400, 01328 Dresden; ³Institute of Geosciences, Christian-Albrechts-University Kiel, Ludewig-Meyn-Straße 10, 24118 Kiel

Structural changes in Ln-Monazite single crystals under swift heavy ion irradiation

Julien Marquardt¹, Theresa Lender², Lkhamsuren Bayarjargal¹, Eiken Haussühl¹, Christina Trautmann³, Lars Peters², Björn Winkler¹

¹Goethe Universität Frankfurt; ²RWTH Aachen; ³GSI Hemlholtz Centre for Heavy Ion Reseach Dresden

Structural analyses of heavy-ion irradiated monazites

Nina Huittinen^1,2, Sara Gilson¹, Andrey Bukaemskiy³, Gabriel Murphy³, Julien Marquardt⁴, Theresa Lender⁵, Holger Lippold¹, Volodymyr Svitlyk¹, Jonas Nießen⁵, Christoph Hennig¹, Shavkat Akhmadaliev¹, Selina Richter¹, Jenna Poonoosamy³, Christina Trautmann⁶

¹Helmholtz-Zentrum Dresden-Rossendorf, Germany; ²Freie Universität Berlin, Germany; ³Forschungszentrum Jülich, Germany; ⁴Johann Wolfgang Goethe-Universität Frankfurt, Germany; ⁵RWTH Aachen University, Germany; ⁶GSI Helmholtzzentrum für Schwerionenforschung

TAKING NUCLEAR WASTE TO EXTREMES TO DESIGN SAFE UNDERGROUND REPOSITORIES

Volodymyr Svitlyk^1,2, Stephan Weiss¹, Christoph Hennig^1,2

¹Helmholtz-Zentrum Dresden-Rossendorf, Institute of Resource Ecology, Dresden, Germany; ²Rossendorf Beamline (BM20), European Synchrotron Radiation Facility, Grenoble, France

Unravelling the Chemistries and Structural Properties of Cr/Mn/V/Fe-doped UO2 (Spent) Nuclear Fuel Materials

Gabriel Murphy¹, Julien Marquardt², Philip Kegler¹, Robert Gericke³, Sara Gilson³, Martina Klinkenberg¹, Andrey Bukaemskiy¹, Elena Bazarkina³, Andre Rossberg³, Kristina Kvashnina³, Volodymyr Svitlyk³, Christoph Hennig³, Peter Kaden³, Theresa Lender⁴, Nina Huittinen^3,5

¹Forschungszentrum Juelich GmbH, Germany; ²Goethe-Universität Frankfurt; ³Helmholtz-Zentrum Dresden-Rossendorf; ⁴RWTH Aachen University; ⁵Freie Universität Berlin

Spectroscopy and diffraction investigations of cerium/uranium doped zirconia solid solutions

Luiza Braga Ferreira dos Santos¹, Volodymyr Svitlyk¹, Selina Richter¹, Christoph Hennig¹, Javier Gaona Martinez², Nina Huittinen^1,3

¹Helmholtz-Zentrum Dresden-Rossendorf, Germany; ²Karlsruhe Institute of Technology, Germany; ³Freie Universität Berlin, Germany

Laser induced luminescence imaging: Microstructural-Chemical Analysis for Nuclear Materials

John McCloy, Sam Karcher, Brooke Downing

Washington State University, United States of America

Positron Annihilation to Investigate Nuclear Materials

Marc Herbert Weber

Washington State University, United States of America

Use of High-Speed Atomic Force Microscopy and Interferometry as Experimental Techniques for In-situ Aqueous Corrosion Monitoring

Lewis Jackson

University of Huddersfield, United Kingdom

Corrosion Under Controlled and Natural Conditions and the Impact of Radiation Damage.

Anamul Haq Mir

University of Huddersfield, United Kingdom

Advances in off-gas management and control for reprocessing and waste treatment facilities

Josef Matyas

Pacific Northwest National Laboratory, United States of America

Effect of Organic Degradation Products on the Migration Behaviour of Radionuclides in Cementitious Materials

Naila Ait-Mouheb¹, Guido Deissmann¹, Pierre Henocq², Nathalie Macé³, Dirk Bosbach¹

¹Institute of Energy and Climate Research (IEK-⁶Nuclear Waste Management, Forschungszentrum Jülich GmbH, Germany; ²Research and Development Division, Andra, 1-7 Rue Jean Monnet, Parc de la Croix Blanche, 92298 Chatenay-Malabry Cedex, France; ³Université Paris-Saclay, CEA, Service de Physico-Chimie, 91191, Gif-sur-Yvette, France

Effects of nuclide concentration and leachant type on the leaching behavior of Cs, Sr, and Co

Hyeongjin Byeon, Jaeyeong Park

Department of Nuclear Engineering, Ulsan National Institute of Science and Technology, 50 UNIST-gil, Ulsan, 44919, Republic of Korea

Incorporation of Cs, Sr, and Eu into copper slag inorganic polymers: matrix characteristics and leaching behavior

E. D. Mooren^1,2, W. Bonani², S. Van Winckel², A. Bulgheroni², J. Van Der Sande³, T. Hertel³, G. Beersaerts³, S. Schreurs¹, K. Popa², R. J. M. Konings², W. Schroeyers¹

¹Hasselt University, CMK, Nuclear Technological Centre (NuTeC), Faculty of Engineering Technology, Agoralaan, Gebouw H, 3590 Diepenbeek, Belgium; ²European Commission, Joint Research Centre, P.O. Box 2340, D-76125 Karlsruhe, Germany; ³KU Leuven, Department of Materials Engineering, Kasteelpark Arenberg 44, 3001 Leuven, Belgium

Sorption Behavior of Cesium ions to Calcium Silicate Hydrate Containing Magnesium as a Secondary Mineral

Tsugumi Seki, Ryota Oasa, Taiji Chida, Yuichi Niibori

Department of Quantum Science and Engineering, Graduate School of Engineering, Tohoku University, Japan

Experimental Investigations on Smectite to Illite Transformation

Amanda Sanchez, Melissa Mills, Yifeng Wang, Tuan Ho

Sandia National Laboratories, United States of America

Improved Salt Fuel Density of a Zero Power Reactor Fuel: Towards Zero Nuclear Waste

Suneela Sardar, Claude Degueldre, Sarah Green

Lancaster University, United Kingdom

Determination of the maximum dissolution rates of the Belgian reference glasses at very alkaline pH and 30 °C

Karine Ferrand¹, Sébastien Caes¹, Karel Lemmens¹, Katrien Meert²

¹SCK CEN, Belgium; ²ONDRAF/NIRAS, Belgium

The effect of alkali metal and alkaline earth cations on the dissolution behaviour of UK High Level Waste glass

Jenny Ayling¹, Mike Harrison², Claire Corkhill^1,3, Clare. L Thorpe¹

¹NucleUS Immobilisation Science Laboratory, Department of Materials Science and Engineering, University of Sheffield, Sheffield, UK; ²National Nuclear Laboratory, Central Laboratory, Sellafield, Cumbria, UK; ³School of Earth Sciences, South West Nuclear Hub, University of Bristol, Bristol, UK

Impact of iron on the durability of vitrified radioactive waste

Rachel Crawford¹, Claire Corkhill², Clare L Thorpe¹

¹Immobilisation Science Laboratory, Department of Materials Science and Engineering, The University of Sheffield, Sheffield, UK; ²School of Earth Sciences, South West Nuclear Hub, University of Bristol, Bristol, UK

The use of glasses from archeological and natural sites to understand the long-term alteration of nuclear waste glasses

James Neeway¹, Jose Marcial¹, Carolyn Pearce¹, David Kosson², Clare Thorpe³, Russell Hand³, Albert Kruger⁴

¹Pacific Northwest National Laboratory, USA; ²Vanderbilt University, USA; ³The University of Sheffield, United Kingdom; ⁴US Department of Energy, Office of River Protection, USA

Glass alteration in complex natural environments: results from the Ballidon long-term burial experiment

Clare L Thorpe, Garry Manifold, Stuart Creasey-Gray, Rachel Crawford, Claire L Corkhill, Russell J Hand

University of Sheffield, United Kingdom

High Energy Radiation Tolerance of Iron Phosphate Glasses: Molecular Dynamics Study

Cillian James Cockrell¹, Kitheri Joseph², Maulik Patel³, Robin Grimes¹, Kostya Trachenko⁴

¹Imperial College London, United Kingdom; ²Indira Gandhi Centre for Atomic Research; ³University of Liverpool; ⁴Queen Mary University of London

Nuclear waste glasses: flow under beta-particle and electron beam irradiation

Michael Ojovan

Imperial College London, United Kingdom

Effect of 241Am buildup during spent fuel cooling on decay heat of vitrified waste and post-closure safety assessment

Tomofumi Sakuragi¹, Ryo Hamada¹, Miki Harigai¹, Hidekazu Asano¹, Toshiro Oniki², Ryosuke Ito²

¹Radioactive Waste Management Funding and Research Center; ²IHI Corporation

Leaching experiments with medium and high burn-up spent UOX fuels under anoxic and reducing conditions in highly alkaline media

Tobias König¹, Elke Bohnert¹, Roberto Gaggiano², Michel Herm¹, Katrien Meert², Volker Metz¹, Arndt Walschburger¹, Horst Geckeis¹

¹Karlsruhe Institute of Technology, Institute for Nuclear Waste Disposal (KIT-INE), Germany; ²Organisme National des Déchets Radioactifs et des Matières Fissiles Enrichies / Nationale Instelling voor Radioactief Afval en Verrijkte Splijtstoffen (ONDRAF-NIRAS), Belgium

Fission product release from spent nuclear UOX fuel dissolution: comparison between anoxic and reducing conditions and impact of pH

Thierry Mennecart¹, Christelle Cachoir¹, Karel Lemmens¹, Roberto Gaggiano², Katrien Meert², Tomas Vandoorne²

¹SCK CEN, Belgium; ²ONDRAF/NIRAS, Belgium

Modelling of Mo, Tc, Rh, Ru release from high burnup spent nuclear fuel at alkaline and hyperalkaline pH

Joan De Pablo¹, Javier Giménez¹, Daniel Serrano-Purroy², Frederic Clarens³, Albert Martínez-Torrent³

¹UPC-Barcelona Tech, Barcelona (Spain); ²European Commission, Joint Research Centre (JRC), Karlsruhe (Germany); ³Eurecat, Centre Tecnologic Catalunya, WEEI unit, Manresa(Spain)

Aqueous leaching of Cr2O3-doped UO2 spent nuclear fuel under H2 atmosphere

Alexandre Barreiro-Fidalgo¹, Lena Zetterström Evins², Olivia Roth²

¹Studsvik Nuclear AB, Sweden; ²Swedish Nuclear Fuel and Waste Management Co (SKB), Sweden

Reuse, recycling and conditioning of plutonium and americium. An overview on the recent activities at the JRC

Karin Popa, Jean-François Vigier, Daniel Freis, Rudy J.M. Konings

European Commission, Joint Research Centre, Karlsruhe, Germany

Preparation of Am-containing transmutation targets

Gamze Colak^1,2, Gregory Leinders¹, Rémi Delville¹, Marc Verwerft¹, Jef Vleugels²

¹Belgian Nuclear Research Centre (SCK CEN), Institute for Nuclear Materials Science, Boeretang 200, B-2400 Mol, Belgium.; ²KU Leuven, Department of Materials Engineering, Kasteelpark Arenberg 44, B-3001 Leuven, Belgium.

Study of the structural evolution induced by air oxidation of UO2 to U3O7

Jone Miren Elorrieta Baigorri¹, Abel Milena Pérez¹, Jean François Vigier², Laura Jiménez Bonales¹, María Nieves Rodríguez Villagra¹, Valentín García Baonza³, Joaquín Cobos Sabate⁴, Hitos Galán Montano¹

¹Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Av. Complutense 40, 28040, Madrid, Spain; ²European Commission, Joint Research Centre (JRC), 76125, Karlsruhe, Germany; ³MALTA-Consolider Team, Dep. Química Física, Fac. Ciencias Químicas, Universidad Complutense and Instituto de Geociencias IGEO (CSIC-UCM), 28040 Madrid, Spain; ⁴Estación Biológica de Doñana (EBD-CSIC), Av. Américo Vespucio 26, 41092 Seville, Spain

Probing the Defect Structure in Single-Phase UO2+x Systems

Maik K. Lang¹, William F. Cureton², Eric C. O’Quinn¹, Gianguido Baldinozzi³, Joerg Neuefeind², Matthew G. Tucker², Andrew T. Nelson²

¹University of Tennessee, United States of America; ²Oak Ridge National Laboratory, United States of America; ³Centrale Supélec, Université Paris-Saclay, France

The effect of Nd and Gd doping on the microstructure of UO2-based model systems for spent nuclear fuel

Robert Thümmler¹, Juri Barthel², Philip Kegler¹, Martina Klinkenberg¹, Joachim Mayer², Dirk Bosbach¹, Felix Brandt¹

¹Institute of Energy and Climate Research: Nuclear Waste Management and Reactor Safety (IEK-6), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany; ²Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany

Thermodynamic modelling of the oxidation of Ln- and Pu-doped UO2

Victor L. Vinograd, Andrey A. Bukaemskiy, Guido Deissmann, Giuseppe Modolo, Dirk Bosbach

Forschungszentrum Jülich GmbH, Germany

Preparation and Oxidation of 0-20 at.% Zr-doped uranium oxides

Sam E. Karcher¹, Malin C. Dixon Wilkins¹, Xiaofeng Guo², John S. McCloy¹

¹School of Mechanical and Materials Engineering, Washington State University, Pullman WA, 99164, USA; ²Department of Chemistry, Washingon State University, Pullman WA 99164, USA

Electrochemical studies of Mo-doped UO2 under alkaline conditions

Sonia García-Gómez¹, Javier Giménez¹, Ignasi Casas¹, Jordi Llorca¹, Joan de Pablo^1,2

¹Universitat Politècnica de Catalunya, Spain; ²EURECAT, Centre Tecnològic de Catalunya. Manresa, Spain

Hydrothermal synthesis of (U,Th)Ox reference materials for nuclear safeguards

Nicolas Clavier¹, Pierre Asplanato^1,2, Wassima Zannouh¹, Nicolas Dacheux¹, Anne-Laure Fauré², Fabien Pointurier²

¹ICSM, France; ²CEA, DAM, DIF, France

Effect of Tri- and Tetravalent Dopants on the Thermal Conversion of Uranium Diuranate into Doped UO3 and U3O8 and Their Structural Investigation

Shannon Kimberly Potts¹, Philip Kegler¹, Giuseppe Modolo¹, Karin Popa², Walter Bonani², Olaf Walter², Jean-Yves Colle², Rudy Konings², Irmgard Niemeyer¹, Dirk Bosbach¹, Stefan Neumeier¹

¹Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research – Nuclear Waste Management (IEK-6), 52428 Jülich, Germany; ²European Commission, Joint Research Centre (JRC), Karlsruhe, Germany

(U,Ce)O2: a suitable analogue to study the alteration of (U,Pu)O2 MOX fuel in environmental conditions

Théo Montaigne¹, Stéphanie Szenknect¹, Véronique Broudic², Frédéric Miserque³, Florent Tocino⁴, Christelle Martin⁵, Christophe Jégou², Nicolas Dacheux¹

¹ICSM, Univ Montpellier, CNRS, CEA, ENSCM, France; ²CEA/DES/ISEC/DPME, Univ Montpellier, France; ³CEA/DES/ISAS/ DRMP, Univ Paris-Saclay, France; ⁴EDF R & D, France; ⁵ANDRA, R & D Division, France

Dissolution of spent nuclear fuels under repository relevant conditions and release of uranium

Michel Herm, Ernesto González-Robles, Luis Iglesias, Tobias König, Andreas Loida, Arndt Walschburger, Volker Metz

Karlsruhe Institute of Technology, Germany

Leaching behavior of a spent MIMAS MOX fuel under chemical conditions of an underwater storage in pool

Sarah Mougnaud, Sandrine Miro, Magaly Tribet, Christophe Jegou, Caroline Marques, Sylvain Peuget

CEA, DES, ISEC, DPME, Univ. Montpellier, Marcoule (France)

Understanding the corrosion behaviour of used mixed oxide (MOX) fuels: Insights from post-leaching characterisation

Christian Schreinemachers¹, Giuseppe Modolo¹, Gregory Leinders², Thierry Mennecart³, Christelle Cachoir³, Karel Lemmens³, Marc Verwerft², Guido Deissmann¹, Dirk Bosbach¹

¹Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research – Nuclear Waste Management (IEK-6), Germany; ²Belgian Nuclear Research Centre (SCK CEN), Institute for Nuclear Energy Technology, Belgium; ³Belgian Nuclear Research Centre (SCK CEN), Institute for Sustainable Waste & Decommissioning, Belgium

Advanced characterization of secondary phases formed during long-term aqueous leaching of spent nuclear fuel

Olivia Roth¹, Charlotta Askeljung², Kyle Johnson³, Alexandre Barreiro-Fidalgo³, Lena Zetterström Evins¹

¹Swedish Nuclear Fuel and Waste Management Co (SKB), Sweden; ²AB Svafo, Sweden; ³Studsvik Nuclear AB, Sweden

IN SITU RAMAN MONITORING OF STUDTITE FORMATION UNDER ALPHA RADIOLYSIS WITH 18O ISOTOPIC LABELING

Aurélien Perrot¹, Aurélien Canizares², Sandrine Miro¹, Christophe Jegou¹, Laurent Claparede³, Renaud Podor³, Sylvain Peuget¹, Nicolas Dacheux³

¹CEA, DES, ISEC, DPME, Univ Montpellier, Marcoule, France; ²CEMHTI, Univ d’Orléans, Orléans, France; ³CEA, CNRS, ENSCM, ICSM, Univ Montpellier, Marcoule, France

Disposal options for molten salt reactor waste from the Dutch fuel salt irradiation program

Eva de Visser-Týnová, Ralph Hania, Arend Booij, Sem Leftin, Konstantin Kottrup

Nuclear Research and consultancy Group (NRG), The Netherlands

Metal Organic Frameworks for Off-gas Management

Praveen K Thallapally, Patricia D Paviet

Pacific Northwest National Laboratory, United States of America

Crystal Growth of Actinide Materials as Potential Nuclear Waste Forms

Hans-Conrad zur Loye

University of South Carolina, United States of America

Influence on the grain size on the adsorption kinetics of Cs by hierarchical aluminosilicate materials

Vanessa Proust^1,4, Alban Gossard^1,4, Thomas David^2,4, Shenyang Hu^3,4, Hans-Conrad zur Loye⁴, Agnès Grandjean^1,4

¹CEA, DES, ISEC, DMRC, Univ Montpellier, Marcoule, France; ²CEA, DRT, LITEN, DTNM, Grenoble, France; ³Pacific Northwest National Laboratory, Richland, WA 99352, USA; ⁴Ctr Hierarch Waste Form Mat, Columbia, SC 29208 USA

A site occupancy effects on structure and thermochemistry in tunnel structured KxMgx/2Ti8-x/2O16 (0<𝑥<2) hollandites

Kyle Scott Brinkman¹, Nancy Birkner¹, Nakeshma Cassel¹, Shraddha Jadhav¹, Amir Mofrad², Ted Besmann², Jake Amoroso³

¹Department of Materials Science and Engineering, Clemson University, Clemson, SC 29634, USA.; ²Nuclear Engineering Program, Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA; ³Savannah River National Laboratory, Aiken, SC 29808, USA.

First Principles and CALPHAD Modeling of Hollandite-Type Materials for Actinide and Alkali/Alkaline Earth Fission Product Sequestration

Ted Besmann, Amir M. Mofrad, Juliano Schorne-Pinto, Jorge Paz Soldan Palma

University of South Carolina, United States of America

Hydrothermal conversion of geopolymeric precursors in zeolites for an optimized trapping and conditioning of Cs

Alban Gossard^1,3, Vanessa Proust^1,3, Thomas David^2,3, Scott Misture³, Jack Amoroso³, Hans-Conrad zur Loye³, Agnès Grandjean^1,3

¹CEA, DES, ISEC, DMRC, Univ Montpellier, Marcoule, France; ²CEA, DRT, LITEN, DTNM, Grenoble, France; ³Ctr Hierarch Waste Form Mat, Columbia, SC 29208 USA