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Ruthenium behavior in the reactor cooling system in case of a PWR severe accident: study of oxidative conditions with stainless steel tube
In the research field on severe accidents in nuclear power plant, a specific scenario correspond to accident with oxidative conditions for which damaged fuel can be highly oxidised with significant releases of ruthenium oxides. Ruthenium chemistry is complex, and the current knowledge has to be deep...
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| Published in: | Journal of radioanalytical and nuclear chemistry 2024-01, Vol.333 (1), p.235-251 |
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| Main Authors: | , , , |
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| cites | cdi_FETCH-LOGICAL-c305t-6edbd6f31d8619e49398c3c854a81106533540353560206c30eb6d918cbcadd33 |
| container_end_page | 251 |
| container_issue | 1 |
| container_start_page | 235 |
| container_title | Journal of radioanalytical and nuclear chemistry |
| container_volume | 333 |
| creator | Ohnet, Marie-Noelle Leroy, Olivia Cantrel, Laurent Kärkelä, Teemu |
| description | In the research field on severe accidents in nuclear power plant, a specific scenario correspond to accident with oxidative conditions for which damaged fuel can be highly oxidised with significant releases of ruthenium oxides. Ruthenium chemistry is complex, and the current knowledge has to be deepened to better assess ruthenium source term with potential radioactive releases to the environment as volatile ruthenium tetroxide. In this work, experimental studies are focused on ruthenium behaviour along a stainless-steel thermal gradient tube, with maximum temperature of 1200 °C, simulating the reactor cooling system in oxidizing conditions with mainly steam/air gas mixtures. Results showed that few % of ruthenium oxides ( |
| doi_str_mv | 10.1007/s10967-023-09230-7 |
| format | article |
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x
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x
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| fulltext | fulltext |
| identifier | ISSN: 0236-5731 |
| ispartof | Journal of radioanalytical and nuclear chemistry, 2024-01, Vol.333 (1), p.235-251 |
| issn | 0236-5731 1588-2780 |
| language | eng |
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| source | Springer Nature |
| subjects | Accidents Carrier gases Chemical Sciences Chemistry Chemistry and Materials Science Cooling systems Diagnostic Radiology Gas composition Gas mixtures Hadrons Heavy Ions Inorganic Chemistry Low temperature Nuclear Chemistry Nuclear Physics Nuclear power plants Oxygen content Physical Chemistry Pressurized water reactors Ruthenium oxide Stainless steels Steel tubes Temperature gradients |
| title | Ruthenium behavior in the reactor cooling system in case of a PWR severe accident: study of oxidative conditions with stainless steel tube |
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