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    MRS2017 - Scientific Basis for Nuclear Waste Management Symposium 2017

    29 October 2017 to 3 November 2017
    Australia/Sydney timezone

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    Session

    Partitioning & Transmutation

    2 Nov 2017, 08:30

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    1. 6. Advanced Materials and Processes for Application to the Back-end of the Nuclear Fuel Cycle
      Dr Vittorio Luca (Comisión Nacional de Energía Atómica)
      02/11/2017, 08:30
      National and international collaborative waste management programs
      Oral Presentation
      The nuclear industry generates a wide variety of radioactive waste streams during reactor operations and maintenance and in virtually all parts of the fuel cycle. In order to improve the sustainability of the industry it is necessary to develop improved methods and processes for treating, conditioning and disposing of this waste. The talk will provide an overview of research being conducted at...
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    2. 49. Emulsions as a powerful tool to design silica monoliths able to selectively uptake radioactive caesium
      Dr Jeremy Causse (Institut de Chimie Séparative de Marcoule (ICSM) - UMR5257 - CEA Marcoule)
      02/11/2017, 09:00
      National and international collaborative waste management programs
      Oral Presentation
      This work deals with the development of new templating routes to design porous nanostructured materials with innovative properties and/or easier to prepare. For example, we have shown that copper hexacyanoferrate nanoparticles could stabilize High-Internal Phase Emulsions or HIPE (**Mayer et al., J. Coll. Int. Sci., 2017, doi.org/10.1016/j.jcis.2017.05.113**) that can be used in a second step...
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    3. 60. Highly porous and stable metal–organic frameworks for uranium extraction
      Dr Michael Carboni (CEA)
      02/11/2017, 09:15
      National and international collaborative waste management programs
      Oral Presentation
      Transformative technologies are needed in order to achieve economic uranium extraction from waste to generate a new fuel or for a safe storage. Metal–organic frameworks (MOFs) are a class of hybrid materials composed of organic bridging ligands coordinated to metal ions or metal ion clusters. The result is the formation of a porous crystalline solid that possess adequate stability in aqueous...
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    4. 73. Pyrolysis and Plasma applied to Nuclear ion Exchange Resins Treatment
      Dr hugo luis bianchi (Gerencia Química, Comisión Nacional de Energía Atómica, CAC, Av. Gral. Paz 1499 (1650) Buenos Aires, Argentina / ECyT, UNSAM, Martín de Irigoyen 3100 (1650) San Martín, Argentina)
      02/11/2017, 09:30
      National and international collaborative waste management programs
      Oral Presentation
      Spent ion exchange resins (IER) represent an important waste stream that is generated during the operation of both light and heavy-water reactors. Over the past 60 years of nuclear activity Argentina has accumulated over 300 m3 of spent IERs that to this day remain interim storage. With a view toward achieving a significant volume reduction and improved product stability we are investigating a...
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    5. 92. Functionalised Titania and Zirconia Materials for Selective Actinide and Lanthanide Separations
      Dr Jessica Veliscek Carolan (ANSTO)
      02/11/2017, 09:45
      National and international collaborative waste management programs
      Oral Presentation
      Actinides and lanthanides are targets for partitioning from solutions of spent nuclear fuel. Traditionally, actinide separation processes are based on liquid-liquid extraction. However, use of solid phase sorbent materials has several advantages such as the lack of organic solvent wastes. Framework materials based on titania and zirconia have been developed and functionalised with organic...
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    6. 14. Inert matrix fuel deployment for reducing the plutonium stockpile in reactors
      Prof. Claude Degueldre (Engineering Department, Lancaster University, LA1 4YW, UK)
      02/11/2017, 10:00
      National and international collaborative waste management programs
      Oral Presentation
      Abstract – The 450 reactors operating (Nov. 2016) around the world (30 countries) produce about 100 tonnes of plutonium annually, in spent fuel. Some amounts are separated through reprocessing. While the recycling of plutonium as MOX fuel derives additional energy from this resource, it does little to address the issue of growing plutonium inventories. If a political objective is to reduce the...
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