Title Specific features of uranyl ions extraction by interpolymer system based on polyacrylic acid and polyethyleneimine hydrogels /
Another Title Особенности извлечения ионов уранила интерполимерной системой на основе гидрогелей полиакриловой кислоты и полиэтиленимина.
Authors Utesheva, A.A ; Grazulevicius, J.V
DOI 10.31643/2021/6445.42
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Is Part of Комплексное использование минерального сырья.. Almaty : Institute of metallurgy and ore beneficiation. 2021, vol. 4, p. 65-71.. ISSN 2224-5243. eISSN 2616-6445
Keywords [eng] hydrogels ; interpolymer systems ; sorption ; polyacrylic acid ; polyethylenimine ; uranyl ion
Abstract [eng] Uranyl ions sorption of by interpolymer system consisting of polyacrylic acid hydrogel (hPAA) and polyethyleneimine hydrogel (hPEI) has been studied. Rate of uranyl ions extraction by the initial polymers and interpolymer system hPAA-hPEI, polymeric chain binding rate and dynamic exchange capacity of initial polymers and interpolymer system hPAA-hPEI were calculated. Based on obtained outcomes it was found that area of maximum rate of uranyl ions extraction is within the ratios of 67%hPAA:33%hPEI and 33%hPAA:67%hPEI. Maximum uranyl ions extraction rate after 48 hours of hydrogels remote interaction was 90.0 %, when polymeric chain binding rate was 9.1 % and dynamic exchange capacity was 1.14 mmol/g. Rate of uranyl ions extraction by the initial polymer hydrogels 100 % hPAA and 100 % hPEI was 68.0 % and 52.0%. Obtained outcomes showed changes of initial polymeric hydrogels sorption properties in intergel system leading to functional groups obtaining higher reactive ability, which makes it possible to use them for further development of highly efficient uranyl ions extraction sorption technology.
Published Almaty : Institute of metallurgy and ore beneficiation
Type Journal article
Language English
Publication date 2021
CC license CC license description