Organization / Localization: ASNR Country: France Facility Description: Radiation tank with a volume of a few liters at temperatures ranging
from 80 to 120°C Test Identification: AER1, AER2, AER3, AER4, AER5, AER6, AER11, AER12 and DT4 SA-Related Topics / Phenomena:Series of tests dedicated to study the metallic iodide aerosols stability under irradiation in the containment Measured Parameters: I2 rate in gas phase Modelling: Radiation impact on metallic iodine aerosols Simulation Code: ASTEC Experimental Research Program: STEM and STEM2 OECD projects Link to PIRT: ST-25
References: [1] L. Bosland and J. Colombani. Study of the radiolytic decomposition of CsI and CdI2 aerosols deposited on stainless steel, quartz and Epoxy painted surfaces. Annals of Nuclear Energy 2020, 141, 107241. DOI: 10.1016/j.anucene.2019.107241 IP/Copyright Situation: upon request
Organization / Localization: ASNR Country: France Facility Description: Radiation tank with a volume of a few liters at temperatures ranging
from 80 to 120°C Test Identification: AER7, AER8, AER9, AER10, AER13; IOx-1, IOx-2,I Ox-3, Gas-IOx-1, Gas-IOx-2, Gas-IOx-3, SF3 and SF4 SA-Related Topics / Phenomena:Iodine oxides Measured Parameters: Iodine oxides decomposition under thermal and radiation stresses and identification of iodine oxide chemical speciation and morphologies Modelling: Support to develop/validate an iodine oxides decomposiiton kinetic law Simulation Code: ASTEC Experimental Research Program: STEM and STEM2 OECD projects + French RSNR MiRE project. Link to PIRT: ST-25, ST-28 and ST-32
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
Organization / Localization: ASNR Country: France Facility Description: Radiation tank with a volume of a few liters at temperatures ranging
from 80 to 120°C Test Identification: LD test series (LD1, LD2, LD3, LD4, LD5 and LD6) and S2-6 test series (S2-6-8, S2-6-14, S2-6-10) SA-Related Topics / Phenomena:Series of tests dedicated to study the different sources of formation of organic iodides (paints, COV, steel surfaces, polymer insulation …) Measured Parameters: I2 and CH3I formation rates in gas phase Modelling: Support to develop/validate Org-I formation modelling Simulation Code: ASTEC Experimental Research Program: STEM, STEM2 and ESTER OECD projects. Link to PIRT: WP-1.5 ST-25, ST-28, ST-48
References: [1] L. Bosland and J. Colombanil (2020). Review of the potential sources of organic iodides in a NPP containment during a severe accident and remaining uncertainties. Annals of Nuclear Energy, 2020, 140, 107127.DOI: 10.1016/j.anucene.2019.107127
[2] L. Bosland and J. Colombanil (2017). Study of iodine releases from epoxy and polyurethane paints under irradiation and development of a new model of iodine-Epoxy paint interactions for PHEBUS and PWR severe accident applications. Journal of Radioanalytical and Nuclear Chemistry 2017, 314(2), pp. 1121–1140. DOI: 10.1007/s10967-017-5458-9
[3] L. Bosland et al. (2014) Iodine-paint interactions during nuclear reactor severe accidents. Annals of Nuclear Energy 2014, 74(C), pp. 184–199. DOI: 10.1016/j.anucene.2014.07.016 IP/Copyright Situation: upon request
Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)