Influence of mechanochemical and microwave modification on ion-exchange properties of tin dioxide with respect to uranyl ions

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Abstract

Wet gel and dried xerogel of precipitated tin oxy-hydroxide were subjected to mechanochemical and microwave treatments (MChT and MWT, respectively). The prepared samples were studied using DTA-TG, XRD, FTIR, nitrogen adsorption–desorption. MChT and MWT cause improvement of crystal structure, removal of structural OH-groups and increase mesopores diameter as well as form the meso-macroporous structure. As a result, drastic increase of uranyl-ions sorption for all modified samples is observed. Sorption centers can be divided into three groups: selective cation-exchange, non-selective cation-exchange and anion-exchange.

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Samsonenko, M., Zakutevskyy, O., Khalameida, S., Charmas, B., & Skubiszewska-Zięba, J. (2019). Influence of mechanochemical and microwave modification on ion-exchange properties of tin dioxide with respect to uranyl ions. Adsorption, 25(3), 451–457. https://doi.org/10.1007/s10450-019-00036-2

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