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	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
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 IP/Copyright Situation: upon request Link to PIRT: ST-25, ST-28 and ST-32

Iodine oxides