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Costes, J.R.; Antoine, P.; Gauchon, J.P.
Proceedings of the technical committee meeting on sodium removal and disposal from LMFRs in normal operation and in the framework of decommissioning1997
Proceedings of the technical committee meeting on sodium removal and disposal from LMFRs in normal operation and in the framework of decommissioning1997
AbstractAbstract
[en] The large-scale decontamination of FBR sodium loops is a novel task, as only a limited number of laboratory-scale results are available to date. The principal objective of this work is to develop a suitable decontamination procedure for application to the primary loops of the RAPSODIE fast breeder reactor as part of decommissioning to Stage 2. After disconnecting the piping from the main vessel, the pipes were treated by circulating chemical solutions and the vessels by spraying. The dose rate in the areas to be dismantled was divided by ten. A decontamination factor of about 300 was obtained, and should allow austenitic steel parts to be melted in special furnaces for unrestricted release. (author)
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Source
Latge, C. (ed.) (CEA, Direction des Reacteurs Nucleaires, Departement d'Etudes des Reacteurs, CEA-Cadarache, Saint-Paul-lez-Durance (France)); International Atomic Energy Agency, International Working Group on Fast Reactors, Vienna (Austria); 316 p; Nov 1997; p. 182-194; Technical committee meeting on sodium removal and disposal from LMFRs in normal operation and in the framework of decommissioning; Aix-en-Provence (France); 3-7 Nov 1997; 10 figs, 3 tabs
Record Type
Report
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Conference
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ALKALI METALS, BREEDER REACTORS, CLEANING, CONTAINERS, COOLING SYSTEMS, DECOMMISSIONING, ELEMENTS, ENERGY SYSTEMS, ENRICHED URANIUM REACTORS, EPITHERMAL REACTORS, FAST REACTORS, FBR TYPE REACTORS, LIQUID METAL COOLED REACTORS, LMFBR TYPE REACTORS, METALS, PLUTONIUM REACTORS, REACTOR COMPONENTS, REACTORS, RESEARCH AND TEST REACTORS, SODIUM COOLED REACTORS, TEST FACILITIES, TEST REACTORS
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