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Poster De Conférence Année : 2017

Investigation of the organic anion production by helium ion irradiation of calcite suspensions in water

Résumé

This study deals with the deep geological storage of long-lived radioactive wastes. In particular, among the options available, the use of concrete has been extensively studied. However, the presence of radionuclides in the waste container will however induce radiolysis phenomena on the concrete and the cement matrix. The carbonatation of portlandite Ca(OH) 2 in calcite CaCO 3 is a natural phenomenon occuring in every concrete depending on the storage conditions, and especially in the nuclear waste storage conditions [1]. The radiation chemical behavior of calcite is not well documented yet [2]. It is thus difficult to predict the evolution of chemical properties of concrete under irradiation, if the latter was carbonated.

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Chimie
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Dates et versions

hal-04051163 , version 1 (30-03-2023)

Identifiants

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Amaury Costagliola, Craff Emeline, Johan Vandenborre, Guillaume Blain, Véronique Baty, et al.. Investigation of the organic anion production by helium ion irradiation of calcite suspensions in water. Migration 2017: 16th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Sep 2017, Barcelone, Spain. ⟨10.13140/RG.2.2.32501.06883⟩. ⟨hal-04051163⟩
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