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Synthesis of Magnetic Ni0.3Mg0.3Zn0.4Fe2O4 Nanoparticles and Their Adsorption Performances of Congo Red

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Magnetic Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles were synthesized by the absolute alcohol combustion method. The morphology, microstructure, and composition of as-prepared Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles were characterized by several techniques: the vibrating sample magnetometer (VSM), the scanning electron microscopy (SEM), the X-ray diffraction (XRD), and the energy dispersive spectroscopy (EDS). The experimental results showed that the calcination temperature and the solvent volume were the crucial factors for the synthesis of the magnetic Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles. The adsorption performance of Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles for congo red (CR) was investigated. The model of pseudo-second-order kinetic was optimal matching for obtaining the parameters of adsorption CR in the initial range of 100–400 mg/L−1, while, the isotherm data of CR onto Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles could conform to the Temkin model owing to the values of the square deviations, which revealed that the adsorption of CR onto Ni0.3Mg0.3Zn0.4Fe2O4 nanoparticles at room temperature was the monolayer and multilayer adsorption mechanism.
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Keywords: Adsorption Isotherm; Adsorption Kinetics; Congo Red; Ni0.3Mg0.3Zn0.4Fe2O4 Nanoparticles; Solution Combustion Process

Document Type: Research Article

Affiliations: 1: College of Chemical and Material Engineering, Quzhou University, Quzhou 324000, P. R. China 2: College of Vanadium and Titanium, Panzhihua University, Panzhihua, 617000, P. R. China

Publication date: May 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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