Facility Details: H2-PAR

Organization / Localization: ASNR/Cadarache
Country: France
Facility Description: It consists of a 7.5 m3 Terphane polyester film tent with an industrial prototype catalytic recombiner
SA-Related Topics / Phenomena: Interactions with iodine plus possible poisoning of Passive Autocatalytic Recombiners (PARs) by fission products and aerosols released during a core meltdown accident
Measured Parameters: Hydrogen concentration, distribution of particle diameters
Modelling: Catalyst composition, size and dispersion, hydrogen pressure, reaction temperature
Experimental Research Program: Joint programme by EDF, IPSN and IRC
Link to PIRT: ST-34
References: [1] F. Morfin et al. Catalytic combustion of hydrogen for mitigating hydrogen risk in case of a severe accident in a nuclear power plant: Study of catalysts poisoning in a representative atmosphere. Applied Catalysis B: Environmental 47 (2004) 47–58 . doi:10.1016/j.apcatb.2003.07.001
[2] F. Payot et al. (2012) Understanding of the operation behaviour of a Passive Autocatalytic Recombiner (PAR) for hydrogen mitigation in realistic containment conditions during a severe Light Water nuclear Reactor (LWR) accident. Nuclear Engineering and Design 248 (2012) 178–196 . https://doi.org/10.1016/j.nucengdes.2012.03.042
[3] M.P. Kissane et al. (2009) Investigation of thermo-catalytic decomposition of metal-iodide aerosols due to passage through hydrogen recombiners. Nuclear Engineering and Design 2009, 239(12), pp. 3003–3013. DOI: 10.1016/j.nucengdes.2009.08.001
[4] E.-A. Reinecke et al. (2010) Open issues in the applicability of recombiner experiments and modelling to reactor simulations. Progress in Nuclear Energy 52 (2010) 136–147. DOI: 10.1016/j.pnucene.2009.09.010




Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)