AZEVEDO, C.D.R; BAEZA, A; CHAUVEAU, E; CORBACHO, J.A; DÍAZ, J; DOMANGE, J; MARQUET, C; MARTÍNEZ-ROIG, M; PIQUEMAL, F; ROLDÁN, C; VASCO, J; VELOSO, J.F.C.A; YAHLALI, N

doi:10.1016/j.net.2023.03.037

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AZEVEDO, C.D.R

BAEZA, A

CHAUVEAU, E
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Nucl.Eng.Tech. 2023, vol. 55, n° 7, p. 2349-2355

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In the TRITIUM project, an on-site monitoring system is being developed to measure tritium (3H) levels in water near nuclear power plants. The quite low-energy betas emitted by 3H have a very short average path in water (5 μm as shown by simulations for 18 keV electrons). This path would be further reduced by impurities present in the water, resulting in a significant reduction of the detection efficiency. Therefore, one of the essential requirements of the project is the elimination of these impurities through a filtration process and the removal of salts in solution. This paper describes a water treatment system developed for the project that meets the following requirements: the water produced should be of near-pure water quality according to ISO 3696 grade 3 standard (conductivity < 10 μS/cm); the system should operate autonomously and be remotely monitored.< Réduire

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Design, setup and routine operation of a water treatment system for the monitoring of low activities of tritium in water

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