Test of dissolution of simulated corrosion-oxides in primary loop of the AP1000 reactor

The AP1000 reactor of China would overhaul for the first time. In order to achieve in-service decontamination of AP1000 primary loop equipment, three simulated corrosion oxides of the AP1000 reactor primary loop were prepared by sedimentation-calcination method, and ultrasonic chemical dissolution t...

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Bibliographic Details
Published inJournal of radioanalytical and nuclear chemistry Vol. 326; no. 2; pp. 1151 - 1158
Main Authors Cui, Yu-jie, Wu, Ming-liang, Zhao, Wei, Wang, Yong-xian, Guo, Li-xiao, Cui, An-xi
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.11.2020
Springer
Springer Nature B.V
Subjects
Analysis
Bonding strength
Chemistry
Chemistry and Materials Science
Corrosion
Corrosion and anti-corrosives
Decontamination
Diagnostic Radiology
Dissolution
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Nuclear power plants
Oxides
Physical Chemistry
Pressurized water reactors
Sedimentation
Simulation
Ultrasonic testing
Zinc addition
Dissolve
Simulated oxide
Sedimentation-calcination
AP1000
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Summary:The AP1000 reactor of China would overhaul for the first time. In order to achieve in-service decontamination of AP1000 primary loop equipment, three simulated corrosion oxides of the AP1000 reactor primary loop were prepared by sedimentation-calcination method, and ultrasonic chemical dissolution test was conducted. The analysis of the characteristics of the simulated oxide showed that the addition of zinc resulted in a different composition of the oxides from that of ordinary PWR, and that is smaller particle size and tighter bonding. Suitable decontaminants and decontamination processes were identified by the dissolution laws of the simulated oxides in the experiment.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-020-07412-1