Russian Journal of Inorganic Chemistry
2022
2022
Synthesis of Calcium Aluminosilicates from Nanostructured Synthetic Na Zeolites and Study of Their Sorption Properties
Авторы:
Gordienko P.S.; Yarusova S.B.; Shabalin I.A.; Slobodyuk A.B.; Nekhlyudova E.A.; Shichalin O.O.; Papynov E.K.; Kuryavyi V.G.; Polyakova N.V.; Parot’kina, Yu. A.
Gordienko P.S.; Yarusova S.B.; Shabalin I.A.; Slobodyuk A.B.; Nekhlyudova E.A.; Shichalin O.O.; Papynov E.K.; Kuryavyi V.G.; Polyakova N.V.; Parot’kina, Yu. A.
Calcium aluminosilicates synthesized by chemical modification of nanostructured synthetic Na zeolites were characterized. The sorption properties were studied for calcium aluminosilicates with SiO2 : Al2O3 ratios of 2 : 1, 4 : 1, 6 : 1, 8 : 1, and 10 : 1. The maximum capacity of these compounds to sorb Cs+ ions under static conditions from solutions without salt background was shown to reach 1.45 mmol/g (192.7 mg/g). The results of this work allow one to consider these compounds as promising materials for the sorption and immobilization of long-lived radionuclides.
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