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Pyrochemical Separations: Workshop Proceedings -- Avignon, France -- 14-16 March 2000

Pyrochemical Separations: Workshop Proceedings -- Avignon, France -- 14-16 March 2000

Organisation for Economic Co-operation and Development; NEA

The industrial treatment of spent nuclear fuel is presently performed using different wet chemical processes. Alternative dry processes, using pyrochemical methods, have received some attention due to their potential advantages in terms of plant design and criticality safety, as well as radiation dose. Recent progress in the transmutation of long-lived fission products and minor actinides has brought renewed interest in pyrochemical methods, as effective transmutation will be based on multi-recycling of the fuel with very high burn-up and short cooling times, conditions under which pyrochemical methods offer various advantages over wet processes. Studies of pyrochemical processes have so far been carried out at laboratory level. Considerable R&D work is still required in order to upgrade these processes to the current level of industrial aqueous processing

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Published Paris: OECD Publishing, 2001

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Statement of responsibility: Organisation for Economic Co-operation and Development and NEA
ISBN: 9264189734, 9789264189737
Physical Description: 1 online resource
Other Number: 10.1787/9789264189737-en
Series: Nuclear Science,
Subject: France; Nuclear Energy
Series Title: Nuclear Science,


  1. Foreword
  2. Executive Summary
  3. Welcome Address by C. Madic
  4. Opening Address by Ph. Savelli
  5. Session I. National and International R&D Programmes on Pyrochemical Separations
  6. Research Work on Radionuclide Partitioning from Nuclear Waste Co-Financed by the European Commission by M. Hugon
  7. Pyrochemical Separations Technologies Envisioned for the US Accelerator Transmutation of Waste System by J. T. Laidler
  8. Overview of RIAR Activity on Pyroprocess Development and Application to Oxide Fuel and Plans in the Coming Decade by A. V. Bychkov, O.V. Skiba, S. K. Vavilow, M. V. Kormilitzyn, A. G. Osipenco
  9. BNFL's Molten Salts Programme: Industrialising Processes for Irradiated Fuel by R. Thied, D. Hebditch, P. Parkes, R. Taylor, B. Hanson, and P. Wilson
  10. Assessment of Pyrochemical Processes for Separation/Transmutation Strategies: Proposed Areas of Research by B.Bo8ullis and Ph. Brossard
  11. Session II. Role and Requirements of Pyrochemical Separations in the Future Fuel Cycles
  12. Role of Pyrochemistry in Advanced Nuclear Energy Generating System by L. Koch
  13. Pyrochemical Reprocessing Technology and Molten Salt Transmutation Reactor Systems by J. Uhlir
  14. Actinide Recycling by Pyroprocess for Future Nuclear Cycle System by T. Inoue
  15. Evaluation of Pyrochemical Reprocessing Technologies for Practical Use by S. Kitawaki, K. Kosugi, M. Fukushima, and M. Myochin
  16. Session III. Part A. Basic Data (Thermodynamics, Reaction Mechanisms, Reaction Kinetics, Molecular Modelling, etc)
  17. Molten Salt Data for Pyrochemistry: New Research Advances and Development of Information System by M> Gaume-Escard, A. K. Adya, L. Rycerz
  18. Electrochemical Properties of Plutonium in Molten CaCl2-NaCl at 550 Degrees Centigrade by D. Lambertin, J. Lacquement, S. Sanchez, and G. Picard
  19. Application of Electrochemical Techniques in Pyropartitioning Processes and Reaction Modelling by F. Lantelme, T. Cartailler, P Turq
  20. Thermodynamic Stabilities of Lanthanides and Actinides in Molten Chloride and Liquid Metal by H. Hamana, J. Sheng, and H. Moriyama
  21. Sesion III. Part B. Results and Experiences form Process Experiments
  22. Results of Demonstration Programme of Electrometallurgical Processing of Breeder Reactor Fuel by G. R. Choppin
  23. Nitride/Pyroprocess for MA Transmutation and Fundamental Database by T. Ogawa, Y. Arai
  24. Pyrometallurgical Reduction of Unirradiated TRU Oxides by Lithium in a Lithium Chloride Medium by T.Usami, M. Kurata, T. Inouew, J. Jenkins, H. Sims, S. Beetham, D. Brown
  25. Small-Scale Demonstration of Pyrometallurgical Processing for Metal Fuel and HLLW by T. Koyama, K. Kinoshita, T. Inoue, M. Ougier, J.-P. Glatz, and L. Koch
  26. Sutides on the Head-End Steps for Pyrochemical Reprocessing of Oxide Fuels by T. Subramanian, B. Prabhakara Reddy, P. Venkatesh, R. Kandan, T. Vandarkuzhali, K. Nagarajan, P. R. Vasudeva Rao
  27. Session III. Part C. Process Simulation and Process Design
  28. Development of Structural Material and Equipment for Molten Salt Technology by P. Hosnedl, O. Matal
  29. Kinetics of Pychochemical Processing of Nuclear Materials Using Molten Salt and Liquid Metal by H. Moriyama, H. Yamana, and K. Moritani
  30. A Rational Approach to Pyrochemical Processes via Thermodynamic Analysis by G. Picard, S. Sanchez, D. Lambertin, and J. Lacquement
  31. Session VI. Open Discussion and Recommendations
  32. Poster Session
  33. Technetium Metal and Pyrometallurgically Formed Sediments: Study and Speciation by Tc NMR and EXAFS/ZANES by K. Guerman, T. Reich, C. Sergeant, R. Ortega, V. Tarasov, and M. Simonoff
  34. Molten Salt Burner Fuel Behaviour and Treatment by V. V. Ignatiew, R. Ya. Zakirov, K. F.Grebenkine
  35. Recovery of Noble Metals (Ru, Rh, Pd, Mo) and Tellurium from Fission Products by C. Jouault, M. Alibert, R. Boen, X. Deschanels
  36. Study of Oxidising Uranium for Pyrochemical Reprocessing by S. Kitawaki, N. Kameshiro, M. Fukushima, and M. Myochin
  37. Partitioning of Americium Metal from Rare Earth Fission Products by Electrorefining by C. Pernel, M. Ougier, J. P. Glatz, L. Koch, and T. Koyama
  38. Americium Extraction via In Situ Chlorination of Plutonium Metal by W. A. Punjak, A. J. VArgas, Jr. G. D. Bird, E. Garcia
  39. Pyro-Oxidation of Plutonium Spent Salts with Sodium Carbonate by G. Bourges, A. Godot, C. Valot, and D. Devillard
  40. Electrochemical Studies of EuCl3 and EuCl2 in an Equimolar NaCl-KCl Melt by S. A. Kuznetsov, M. Gaune-Escard
  41. Generalised Perturbation Theory and Source of Information through Chemical Measurements by V. Lelek and and T. Marek
  42. Annex 1. List of Participants
  43. Annex 2. Workshop Organisation
  44. Annex 3. State of the Art Report on Pyrochemical Separations