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Reference Number EP/L018616/1
Title PACIFIC - Providing a Nuclear Fuel Cycle in the UK for Implementing Carbon Reductions
Status Completed
Energy Categories NUCLEAR FISSION and FUSION(Nuclear Fission, Fuel cycle) 100%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Chemistry) 25%;
PHYSICAL SCIENCES AND MATHEMATICS (Physics) 25%;
PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 25%;
ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 25%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor TJ Abram
No email address given
Mechanical, Aerospace and Civil Engineering
University of Manchester
Award Type Standard
Funding Source EPSRC
Start Date 31 May 2014
End Date 31 January 2019
Duration 56 months
Total Grant Value £3,053,898
Industrial Sectors Energy
Region North West
Programme Energy : Energy
 
Investigators Principal Investigator Professor TJ Abram , Mechanical, Aerospace and Civil Engineering, University of Manchester (99.976%)
  Other Investigator Professor S Faulkner , Oxford Chemistry, University of Oxford (0.001%)
Dr I Farnan , Earth Sciences, University of Cambridge (0.001%)
Professor C Boxall , Engineering, Lancaster University (0.001%)
Dr CA Sharrad , Chemical Engineering and Analytical Science, University of Manchester (0.001%)
Dr A Mount , Sch of Chemistry, University of Edinburgh (0.001%)
Professor LM Harwood , Chemistry, University of Reading (0.001%)
Dr KR Hallam , Interface Analysis Centre, University of Bristol (0.001%)
Dr TB Scott , Interface Analysis Centre, University of Bristol (0.001%)
Professor RW Grimes , Materials, Imperial College London (0.001%)
Dr M Preuss , Materials, University of Manchester (0.001%)
Professor P Xiao , Materials, University of Manchester (0.001%)
Dr PG Frankel , Materials, University of Manchester (0.001%)
Dr NC Hyatt , Engineering Materials, University of Sheffield (0.001%)
Dr KR Whittle , Engineering Materials, University of Sheffield (0.001%)
Professor M Fairweather , Inst of Particle Science & Engineering, University of Leeds (0.001%)
Professor BC Hanson , Inst of Particle Science & Engineering, University of Leeds (0.001%)
Professor N Allan , Chemistry, University of Bristol (0.001%)
Professor P Heggs , Computational Fluid Dynamics, University of Leeds (0.001%)
Dr D Brett , Chemical Engineering, University College London (0.001%)
Professor ES Fraga , Chemical Engineering, University College London (0.001%)
Dr P Angeli , Chemical Engineering, University College London (0.001%)
Dr P Shearing , Chemical Engineering, University College London (0.001%)
Dr P Lettieri , Chemical Engineering, University College London (0.001%)
Dr G Bond , Forensic and Investigative Science, University of Central Lancashire (0.001%)
Web Site
Objectives
Abstract PACIFIC is a multi-discipline programme, across 12 UK universities, that supports a future nuclear fuel cycle in the UK. We aim to provide a world-class programme of relevant research into the manufacture, performance, and recycle of current and advanced nuclear fuels. For the first time in a major UK academic research programme, we will integrate the two Themes of Nuclear Fuel and Separations Technology into a single programme with a common goal.In the Fuels Theme, our aim is to provide a scientific and technological underpinning to understanding the damage mechanisms that occur in nuclear fuel and cladding materials throughout their operational life and during storage. Our objectives are to:1. extend molecular dynamics models to predict key properties of advanced fuels;2. identify promising single component and composite materials for advanced fuels and to develop appropriate manufacturing routes.;3. investigate the potential for improved TRISO coated fuel particles by employing a duel SiC/ZrC layer;4. assess the performance of advanced fuels and coatings under a range of conditions; and5. investigate the mechanism of Pellet-Cladding Interaction failures in LWRs.The first Fuels project addresses advanced fuels and coatings. This Project will employ a combination of advanced modelling and experimental techniques to identify promising new fuel materials, and to explore the mechanisms and effects of radiation damage in both current and advanced fuel materials, including coated fuel particles. Specific Tasks include:- Fuel Modelling- Advanced Fuel Manufacture- Advanced TRISO Coated Fuel Particles- Materials Characterisation and IrradiationThe second Fuels project concerns a failure mechanism known as Pellet-Cladding Interaction (PCI). This project will focus on developing a mechanistic understanding of PCI by bringing together metallurgical, mechanical engineering, chemical and radiation aspects; by a combination of experimental investigations and underpinned by computer simulation.In the Separations theme, the projects aim to provide a proof of concept for an integrated flowsheet capable of providing a product suitable for fast reactor fuels from a thermal fuel feed. Our objectives are to:1. Prove that U, Pu and MAs can be separated to the required purities and in a mixed product for conversion to fast reactor fuel.2. Prove that the liquid product from a hydrometallurgical separation process can be converted to the required form for fast reactor fuel manufacture.3. Prove that a new hydrometallurgical separation process can operate within current solvent extraction technologies.4. Prove that new technologies are available that will offer benefits over current solvent extraction technologies.The project on Minor Actinide Separations will investigate new hydrophobic extractants use in separation of MAs from lanthanides, group actinide separations and Am/Cm separations. Specific Tasks include:- Direct Monitoring of Speciation in Minor Actinide Separations- Optimising Interfacial Transfer Kinetics during Minor Actinide Separations- Actinide Behaviour and Radiolysis Effects of Complexants in Minor Actinide Separations- Ligand Structure-Activity Relationship DevelopmentThe project on Advanced Separations Technology includes the following tasks:- Develop a better understanding of conventional solvent extraction technology- High efficiency extractions using intensified processes- Continuous Chromatographic Separation of Actinides and Fission ProductsThe final project concerns Product Conversion to Fuel, and will develop the fundamental molten salt technology to take the product from a PUREX plant and convert it efficiently through direct reduction to metal, considering proliferation resistance and waste minimisation. Tasks include:- Establishment and optimisation of the process for direct reduction of spent fuel - Decontamination and immobilisation of pyroprocessing wastes
Publications (none)
Final Report (none)
Added to Database 17/03/14