SADD - Severe accident database directory

DataBase Source Term - Focus area 3: Fission product chemistry, distribution and remobilization behaviour in containment (1)

Facility Name	Test Identification	Measured Parameters	Modelling	Simulation Code	Experimental Research Program	Country
EPICUR belonging to the CHROMIA experimental platform	AER7, AER8, AER9, AER10, AER13; IOx-1, IOx-2,I Ox-3, Gas-IOx-1, Gas-IOx-2, Gas-IOx-3, SF3 and SF4	Iodine oxides decomposition under thermal and radiation stresses and identification of iodine oxide chemical speciation and morphologies	Support to develop/validate an iodine oxides decomposiiton kinetic law	ASTEC	STEM and STEM2 OECD projects + French RSNR MiRE project.	France
▼ Show/Hide Additional Details References: [1] L. Bosland and O. Leroy. Modeling of the decomposition of iodine oxides aerosols (IOx) in the containment - Consequences on the understanding of volatile iodine behaviour in the containment. Progress in Nuclear Energy 180 (2025) 105576. https://doi.org/10.1016/j.pnucene.2024.105576 [2] L. Bosland and O. Leroy. Study of the stability of iodine oxides (IxOy) aerosols in severe accident conditions. Annals of Nuclear Energy 181 (2023) 109526. https://doi.org/10.1016/j.anucene.2022.109526 [3] B.R'Mili et al. Important effects of relative humidity on the formation processes of iodine oxide particles from CH3I photo-oxidation. Journal of Hazardous Materials 433 (2022) 128729. DOI: 10.1016/j.jhazmat.2022.128729 Contributed By: L. Cantrel IP/Copyright Situation: upon request Link to PIRT: ST-25, ST-28 and ST-32

Iodine oxides