IWGGCR/2 I INTERNATIONAL WORKING GROUP on GAS-COOLED REACTORS
vv International Atomic Energy Agency IWGGCR/2 i INTERNATIONAL WORKING GROUP ON GAS-COOLED REACTORS Specialists Meeting on Coolant Chemistry, Plate-out and Decontamination in Gas-cooled Reactors Juelich, Federal Republic of Germany 2-4 December 1980 SUMMARY REPORT INTERNATIONAL ATOMIC ENERGY AGENCY Specialists' Meeting on Coolant Chemistry, Plate-out and Decontamination in Gas-cooled Reactors Juelich, Federal Republic of Germany 2-4 December 1980 Chairman: C.-B. von der Decken Kernforschungsanlage Juelich GmbH. Institut fuer Reaktorbauelemente Juelich, Federal Republic of Germany Scientific Secretary: J. Kupitz International Atomic Energy Agency Vienna, Austria SUMMARY REPORT Printed by the IAEA in Austria May 1981 CONTENTS 1. INTRODUCTION 5 2. SUMMARY AND CONCLUSIONS 2A. Fission Product Plnte-out 1 & 2 5 2П. Decontamination of Activity 6 2C. Coolant Chemistry 6 21). Discussions, Conclusions and Recommendations 7 3. CONTRIBUTIONS In-pile helium loop "Comédie" 8 J J. Abnssin, R.J. Blanchard, J. Gentil Out-ot'-pile helium loop for liftoff experiments 17 R.J. Blanchard, A. Bros, J. Gentil Experimental facilities for plate-out investigations and future work 26 K. Muenchow, II. Dederichs, N. Iniotakis, B. Sackmann Results from plate-out investigations 35 N. Iniotakis, J. Malinowaki, H. Gottaut, K. Muenchow F.P. plate-out study using in-pile loop OGL-1 44 0. Baba Fission product behavior in the peach bottom and Fort St. Vrain HTGRs 49 D.L. Hanson, N.L. Baldwin, D.E. Strong Iodine sorption and desorption from low-alloy steel. and graphite 55 R.P. Wichner, M.F. Osborne, R.A. Lorenz, R.B. Briggs Remarks on possibilities and limitations of theoretical approach to plate-out problems 64 E.
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