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INVESTIGATION OF SORPTION PROPERTIES OF FINELY DISPERSED CALCIUM SILICATE IN THE TECHNOLOGY OF EXTRACTION OF HEAVY METAL CATIONS FROM WASTEWATER
(STEF92 Technology, 2021-12-20, В. А. Королев, Aleksey Meshandin, В. С. Болдырев, Polina Sukhanova, Julia Averina)
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The fact of interaction of calcium silicate with the key elements present in the spent nuclear fuel is established. Nanopowders of synthetic calcium silicate with a given particle size 10, 2 and 0.6 microns were obtained. It was found experimentally that a decrease in the particle size of the calcium silicate powder contributes to an increase in its sorption properties (distribution coefficients and static exchange capacity). If for uranium static exchange capacity in the considered range of powder particle sizes ...
Hydrology and Water Resources2021