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Abstract Magnetite-nanoparticle-decorated NiFe LDH (MNPs@NiFe LDH) has been synthesized by the coprecipitation method followed by subsequent hydrothermal treatment. Material characterization was conducted using XRD, FTIR, SEM, BET surface area, and… Click to show full abstract
Abstract Magnetite-nanoparticle-decorated NiFe LDH (MNPs@NiFe LDH) has been synthesized by the coprecipitation method followed by subsequent hydrothermal treatment. Material characterization was conducted using XRD, FTIR, SEM, BET surface area, and TG-DTA. MNPs@NiFe LDH exhibited high crystallinity, where the MNPs are uniformly distributed on its surface. MNPs@NiFe LDH showed higher adsorption capacity for congo red dye removal from an aqueous solution (79.6 mg/g). A further adsorption study, kinetics, isotherm, and thermodynamic indicated that the adsorption mechanism is governed by ionic interaction between the positively charged surface of the LDH and negatively charged dye molecules.
Journal Title: Chemical Physics Letters
Year Published: 2021
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