Evaluation of the Efficiency of Detection and Capture of Manganese in Aqueous Solutions of FeCeOx Nanocomposites Doped with Nb2O5

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ID: 116154
2020
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Abstract
: The main purpose of this work is to study the effectiveness of using FeCeOx nanocomposites doped with Nb2O5 for the purification of aqueous solutions from manganese. X-ray diffraction, energy–dispersive analysis, scanning electron microscopy, vibrational magnetic spectroscopy, and mössbauer spectroscopy were used as research methods. It is shown that an increase in the dopant concentration leads to the transformation of the shape of nanoparticles from spherical to cubic and rhombic, followed by an increase in the size of the nanoparticles. The spherical shape of the nanoparticles is characteristic of a structure consisting of a mixture of two phases of hematite (Fe2O3) and cerium oxide CeO2. The cubic shape of nanoparticles is typical for spinel-type FeNbO4 structures, the phase contribution of which increases with increasing dopant concentration. It is shown that doping leads not only to a decrease in the concentration of manganese in model solutions, but also to an increase in the efficiency of adsorption from 11% to 75%.
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kozlovskiy2020sensorsevaluation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Artem Kozlovskiy;Kamila Egizbek;Maxim V. Zdorovets;Milana Ibragimova;Alena Shumskaya;Alexandr A. Rogachev;Zhanna V. Ignatovich;Kayrat Kadyrzhanov;Kozlovskiy, Artem;Egizbek, Kamila;Zdorovets, Maxim V.;Ibragimova, Milana;Shumskaya, Alena;Rogachev, Alexandr A.;Ignatovich, Zhanna V.;Kadyrzhanov, Kayrat;
Journal sensors
Year 2020
DOI
10.3390/s20174851
URL
https://doi.org/10.3390/s20174851
Keywords
Nanocomposites doping water purification chemical deposition fenbo4

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