Abstract:Thick corrosion oxide (Fe 3 O 4 ) layers containing radioactive metals are generated in a carbon steel heat transport system (HTS) of pressurized heavy water reactors during operation. It is necessary to decontaminate the oxide layers to reduce radiation exposure to workers before maintenance and decommissioning. Since the oxide layer thickness in the HTS is about 75 μm, a considerable amounts of secondary wastes can be generated when the existing decontamination processes are applied. The aim of this study is… Show more
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