Primary coolant circuit characterization related to starting up the WWER-440 unit
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Neutron activation analysis, gamma-ray spectrometry, particle sizing and photography of the corrosion products were used to qualify the constructional materials and primary coolants. The investigations related to: characterization of the construction materials of the primary circuit, circulated washing, hot conditioning, physical and energetic start up. The aim of the measurements was to study the cleanness of the primary circuit from assembling up to energetic start up and to follow closely the variation in the amount and the removing of the mechanical contaminants and corrosion products depending on the technological parameters.
KeywordsPhysical Chemistry Inorganic Chemistry Particle Sizing Activation Analysis Neutron Activation
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