Synthesis and Characterization of Magnetic Symmetric Nanodendimers Enhanced with Surface Active Amine Sites for the Removal of Organic Dyes

This study includes the development of a new nanosorbent for the treatment of dye effluents. The designed and fabricated nanosorbent is comprised of a dendritic structure with symmetric primary amine active sites and a magnetic core. Employing various characterization techniques such as NMR, SEM, TEM, TGA, zeta potential, and CHN elemental analysis, the adsorption capacity of this material to remove methyl-orange dye has been investigated. The results reveal that the proposed nanosorbent offers an efficiency of approximately 68.9% with an adsorption rate of 166.2 g/min in the methyl-orange removal process. The rate constant obtained for methyl-orange adsorption on the nanodendrimer is higher than the previously reported ones, indicating a higher adsorption rate. The results of this new nanosorbent prove its high potential in adsorptive methyl-orange removal.