статья в журнале

En

WATER
eSSN:2073-4441

2022

Frolova, M.A.¹

Tokar’, E.A.³

Tananaev, I.G.²

10.3390/w14152303

Sorbents based on Fe(OH)(3) and aluminum oxide are widely used in oceanology for the recovery of cosmogenic radionuclides Be-7, Si-32, P-32, and P-33 from the seawater. It is also possible to use them for the recovery of the natural radionuclides Pb-210, Th-234. A comparative study of the sorbents based on Fe(OH)(3) and acrylic fiber obtained through various impregnation methods was carried out, and their comparison with granulated aluminum oxide. The possibility of extracting trace amounts of phosphorus and beryllium under laboratory and field conditions with these sorbents was studied. The sorption of Be-7, Pb-210, and Th-234 on the natural content by the two-column method was investigated. It is shown that fiber samples obtained by oxidation with sodium ferrate and the "classical" method have the highest sorption characteristics.

Fe(OH)3-fiber, sorption, marine radiochemistry, natural, cosmogenic radionuclides, 7Be, 32P, 33P, 210Pb, 234Th