Abstract
In this work, we convert the biowaste materials (sugarcane bagasse) into wealth materials via combination with metal ferrocyanide through two steps to prepare (SCB-M-FC) composite for cesium removal from aqueous solutions. Firstly, SCB was modified to be amino silane (SCB-NH2) to provide amine binding sites. Secondly, the metal (M = Fe3+or Cu2+) ferrocyanide (FC) nanomaterials grow in situ on the surface of the modified -SCB to yield SCB-M-FC. Various techniques were used to characterize the prepared composite materials before and after the adsorption of cesium. The adsorption behavior of Cs+ by SCB, SCB-NH2, and SCB-M-FC under different conditions was studied and compared. We observed that the SCB-Cu-FC presents the experimental adsorption capacity for Cs+ (126.0 mg/g). Additionally, dynamic system for cleaning cesium from polluted water was also investigated. The excellent selective removal of Cs by SCB-M-FC was escorted by the liberation of K+ and diffusion mechanisms. The SCB-Cu-FC nanocomposite was found to be appropriate for the practical removal of cesium from contaminated aqueous solution.
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