Abstract
The tritium produced in a nuclear reactor is partially released into the atmosphere and mainly discharged into the hydrosphere. The approval at the level of the European Commission of the Euratom NFRP-14 special research program "Cross-cutting support to improved knowledge on tritium management in fission and fusion facilities" indicates the urgent need for research to prevent the spread of tritium in natural and man-made biogeosystems. Previous studies by us [2,5,6] revealed the possibility of using layered silicates and zeolite to extract tritium from aqueous solutions. The aim of the work is to determine the influence of the structural features of the mineral adsorbent on the extraction of tritium from protium-tritium water (PTW). Wollastonite Ca(SiO3) from the class of chain silicates was used as such adsorbent. The tangled-fibrous microtexture of the mineral (Fig. 1) due to the large specific surface area of the needle micrograins and, accordingly, the significant surface adsorption potential can ensure the absorption of HTO from the tritiated water solution.
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