- Page 1 and 2: Nuclear Science Pyrochemical Separa
- Page 3 and 4: OECD PROCEEDINGS Proceedings of the
- Page 5: FOREWORD In the future, nuclear fue
- Page 8 and 9: J. Uhlir Pyrochemical Reprocessing
- Page 10 and 11: Annex 1. LIST OF PARTICIPANTS......
- Page 12 and 13: In the poster session, eight poster
- Page 14: OPENING SESSION 11
- Page 18 and 19: OPENING ADDRESS Philippe Savelli De
- Page 20: SESSION I National and Internationa
- Page 23 and 24: A sixth project might be funded by
- Page 25 and 26: Selective extraction of minor actin
- Page 27 and 28: Work programme The work programme i
- Page 29 and 30: Introduction Commercial nuclear pow
- Page 31 and 32: The ATW system is predicated on the
- Page 33 and 34: In the electrorefiner, the transura
- Page 35 and 36: these materials will be sent direct
- Page 37 and 38: alternative were to be used instead
- Page 40 and 41: OVERVIEW OF RIAR ACTIVITY ON PYROPR
- Page 42 and 43: • Non-proliferation resistance (h
- Page 44 and 45: nuclear fuel (burn-up of 7.7% h.a.,
- Page 46 and 47: In the framework of the programme f
- Page 50 and 51: BNFL’S MOLTEN SALTS PROGRAMME: IN
- Page 52 and 53: technologies, demonstrated closure
- Page 54 and 55: In summary, fast flux systems with
- Page 56 and 57: ANL has utilised a design value of
- Page 58 and 59: processes used for aqueous systems
- Page 60 and 61: Investment in BNFL’s molten salts
- Page 62 and 63: ASSESSMENT OF PYROCHEMICAL PROCESSE
- Page 64: SESSION II Role and Requirements of
- Page 67 and 68: Scope The present low price of uran
- Page 69 and 70: At present, the transport of spent
- Page 71 and 72: [11] V.K. Afonichkin, V.E. Komarov
- Page 73 and 74: Figure 3. Electropotential relative
- Page 76 and 77: PYROCHEMICAL REPROCESSING TECHNOLOG
- Page 78 and 79: ability of the pyrochemical and pyr
- Page 80 and 81: Figure 1. View of the experimental
- Page 82 and 83: ACTINIDE RECYCLING BY PYROPROCESS F
- Page 84 and 85: Characteristics of technology The p
- Page 86 and 87: Experiments for separation of TRUs
- Page 88: [12] M. Kurata, Y. Sakamura and T.
- Page 91 and 92: Introduction Due to its simplicity,
- Page 93 and 94: Atmosphere control For metal fuel e
- Page 95 and 96: Recycling technology As for oxide f
- Page 97 and 98: REFERENCES [1] “Metal Fuel Cycle
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Table 1. Oxide fuel electrowinning
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MOLTEN SALT DATA FOR PYROCHEMISTRY:
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Sample preparation Because of the h
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Computational procedure Two approac
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[10] M. Gaune-Escard, A. Bogacz, L.
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Figure 4. Molar heat capacity of Eu
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Figure 10. Experimental [32] and ca
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Introduction Pyrochemical technique
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Activity coefficient determination
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The free oxide concentration depend
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REFERENCES [1] CEA, “Assessment o
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Figure 2. Cyclic voltammograms of P
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Figure 6. Influence of the concentr
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Introduction The design of a metal
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i(t) is the experimental current at
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sweep rate. At high sweep rates the
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Conclusion The success of a pyropar
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Figure 2. Diagram of the gas circui
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Figure 8. Current reversal chronopo
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Introduction The reductive liquid-l
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0 [ MCl ex 3 in S] = f [ MCl 3, ] +
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There is no concrete theoretical ba
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Table 1. ∆G°f[M in Bi] summarise
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Figure 4. Estimated ∆G f0 [M in B
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RESULTS OF DEMONSTRATION PROGRAMME
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inventory are the SNF from commerci
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During the repeatability phase of t
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[4] “A Roadmap for Developing Acc
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Table 1. Free energies of formation
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Introduction The study of partition
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emained dissolved in Cd. Particular
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Figure 1. Double-strata fuel cycle
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Figure 5. Predicted E-p(O 2- ) diag
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Introduction Lithium has several ad
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time to allow them to equilibrate t
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The gas burette was calibrated with
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Table 1. Approximate Gibbs free ene
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Figure 2. Gas burette apparatus for
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SMALL-SCALE DEMONSTARATION OF PYROM
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Test plan The first phase of the jo
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Plutonium recovery into a liquid Cd
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Figure 1. Test schedule of joint st
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Photo 1. Stainless steel box with A
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STUDIES ON THE HEAD-END STEPS FOR P
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the cathode deposit to 1 300°C to
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REFERENCES [1] L. Burris, R.K. Steu
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Figure 3. Schematic diagram of salt
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DEVELOPMENT OF STRUCTURAL MATERIAL
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Due to the used contrast it was pos
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Molten salt storage tanks Molten sa
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REFERENCES [1] M. Hron, P. Hosnedl,
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Introduction Pyrochemical processin
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( µ ) K m s = 5× 10− 8 12 T ( )
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Conclusions For the development of
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Figure 1. Fuel salt flow rate requi
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Introduction The feasibility of a n
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conditional acidity scale, that is
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Cerium and plutonium chemical prope
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REFERENCES [1] L. Mouron, S. Grandj
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[27] M. Garcia, Y. Castrillejo, P.
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Figure 5. Possibilities for a selec
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SESSION IV Open Discussion and Reco
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Professor Madic concluded from the
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TECHNETIUM METAL AND PYROMETALLURGI
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Chemical preparations All reagents
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REFERENCES [1] K. Ben Said, M. Fatt
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Figure 1. Radiochemical hutch of RO
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Figure 6. Tc K-edge k 3 -weighted E
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Introduction The use of the molten
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designs [1,2], in which a single mo
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eactor inlet temperature. A few exp
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In experiments [15] a successful at
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REFERENCES [1] H.J. MacPherson, Rea
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Figure 2. Separation factors betwee
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Introduction The first axis of the
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The metal was either cast into the
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REFERENCES [1] J.A. Jensen, A.M. Pl
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Figure 3. Lost of substances expres
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STUDY OF OXIDISING URANIUM FOR PYRO
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Thermodynamics simulation To examin
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400°C. It is thought that the rate
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Figure 4. Outline of roasting oxida
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Table 1. Roasting oxidation examina
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Scope There is presently a surplus
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activity coefficient in liquid Bi t
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[19] L. Martinot, J.C. Spirlet, G.
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Element Table 2. Activity coefficie
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H 2 O Figure 4. Double glove box wi
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PYRO-OXIDATION OF PLUTONIUM SPENT S
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Input and output products are weigh
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REFERENCES [1] J.L. McNeese, “Pyr
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Figure 1. Equipment for pyro-oxidat
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ELECTROCHEMICAL STUDIES OF EUCL3 AN
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Results and discussion Cyclic volta
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The values of the ψT function, obt
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The formal standard potential E* Eu
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Figure 1. Cyclic voltammetric curve
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Figure 4. Cyclic volammetric curves
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Introduction There is a remarkable
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We shall not go into the details (w
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It is a special feature of the molt
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Appendix B CORRECTIONS OF PARAMETER
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Annex 1 LIST OF PARTICIPANTS BELGIU
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Mr. Olivier CONOCAR CEA VALRHO SPHA
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Mme Sylvie PILLON CEA-DRN/DER/SIS C
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Dr. Toru OGAWA Group Leader Researc
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Dr. James J. LAIDLER Argonne Nation
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Annex 2 WORKSHOP ORGANISATION Chair
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The study would cover: • Review o
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ORDER FORM OECD Nuclear Energy Agen