Trapping measurements of volatile iodine by sand bed and metallic filters

A series of experimental tests were performed to measure the efficiency of volatile iodine trapping on sand bed filters and metallic filters. These filtering media are used in French nuclear power plants to mitigate releases in case of severe accident. The results show that molecular iodine is more...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2019-11, Vol.322 (2), p.913-922
Main Authors: Leroy, O., Monsanglant-Louvet, C.
Format: Article
Language:English
Subjects:
Cesium
Chemical Sciences
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Iodine
Measurement
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Nuclear power plants
Organic chemistry
Physical Chemistry
Sand beds
Silver
Stainless steels
Trapping
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Summary:A series of experimental tests were performed to measure the efficiency of volatile iodine trapping on sand bed filters and metallic filters. These filtering media are used in French nuclear power plants to mitigate releases in case of severe accident. The results show that molecular iodine is more easily trapped than methyl iodide due to its high chemical affinity with stainless steel or with silver and cesium cations included in the filter medium. For methyl iodide, the trapping efficiency is low.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06786-1