A Study on the Applicability of NiFe2O4 Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants

The aim of this work is to evaluate the application of NiFe2O4 nanoparticles with spinel structures as the basis of catalysts for the purification of aqueous media from pollutants such as manganese and arsenic. The interest in these catalysts is due to t...

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Autores principales:	Artem L. Kozlovskiy, Anna S. Zagrebova, Rauan Sh. Abdinov, Inesh E. Kenzhina, Maxim V. Zdorovets
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	nanoparticles catalysts aqueous purification spinel thermal annealing Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/91167095c6bd49f4a4f051ccd96cc6e4
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spelling	oai:doaj.org-article:91167095c6bd49f4a4f051ccd96cc6e42021-11-25T17:06:43ZA Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants10.3390/catal111113932073-4344https://doaj.org/article/91167095c6bd49f4a4f051ccd96cc6e42021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4344/11/11/1393https://doaj.org/toc/2073-4344The aim of this work is to evaluate the application of NiFe<sub>2</sub>O<sub>4</sub> nanoparticles with spinel structures as the basis of catalysts for the purification of aqueous media from pollutants such as manganese and arsenic. The interest in these catalysts is due to their ease of production and high absorption efficiency, which, together with their magnetic properties, allow the use of nanoparticles for a long time. The sol–gel method, followed by thermal annealing of the samples at different temperatures, was proposed as a method for the synthesis of spinel nanoparticles. The choice of the annealing temperature range of 200–1000 °C is caused by the possibility of estimating changes in the structural properties and the degree of nanoparticles crystallinity. During the study of structural changes in nanoparticles depending on the annealing temperature, it was found that in the temperature range of 200–800 °C, there is an ordering of structural parameters, while for samples obtained at annealing temperatures above 800 °C, there is a partial disorder caused by the agglomeration of nanoparticles with a subsequent increase in their size. According to the results of the studies on the purification of aqueous media from pollutants, it was found that the greatest absorption efficiency belongs to nanoparticles annealed at 500–700 °C, with the purification efficiency of 70–85%, depending on the type of pollutant. The results obtained from the use of nanoparticles as catalysts for the purification of aqueous media show great prospects for their further application on an industrial scale.Artem L. KozlovskiyAnna S. ZagrebovaRauan Sh. AbdinovInesh E. KenzhinaMaxim V. ZdorovetsMDPI AGarticlenanoparticlescatalystsaqueous purificationspinelthermal annealingChemical technologyTP1-1185ChemistryQD1-999ENCatalysts, Vol 11, Iss 1393, p 1393 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nanoparticles catalysts aqueous purification spinel thermal annealing Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	nanoparticles catalysts aqueous purification spinel thermal annealing Chemical technology TP1-1185 Chemistry QD1-999 Artem L. Kozlovskiy Anna S. Zagrebova Rauan Sh. Abdinov Inesh E. Kenzhina Maxim V. Zdorovets A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
description	The aim of this work is to evaluate the application of NiFe<sub>2</sub>O<sub>4</sub> nanoparticles with spinel structures as the basis of catalysts for the purification of aqueous media from pollutants such as manganese and arsenic. The interest in these catalysts is due to their ease of production and high absorption efficiency, which, together with their magnetic properties, allow the use of nanoparticles for a long time. The sol–gel method, followed by thermal annealing of the samples at different temperatures, was proposed as a method for the synthesis of spinel nanoparticles. The choice of the annealing temperature range of 200–1000 °C is caused by the possibility of estimating changes in the structural properties and the degree of nanoparticles crystallinity. During the study of structural changes in nanoparticles depending on the annealing temperature, it was found that in the temperature range of 200–800 °C, there is an ordering of structural parameters, while for samples obtained at annealing temperatures above 800 °C, there is a partial disorder caused by the agglomeration of nanoparticles with a subsequent increase in their size. According to the results of the studies on the purification of aqueous media from pollutants, it was found that the greatest absorption efficiency belongs to nanoparticles annealed at 500–700 °C, with the purification efficiency of 70–85%, depending on the type of pollutant. The results obtained from the use of nanoparticles as catalysts for the purification of aqueous media show great prospects for their further application on an industrial scale.
format	article
author	Artem L. Kozlovskiy Anna S. Zagrebova Rauan Sh. Abdinov Inesh E. Kenzhina Maxim V. Zdorovets
author_facet	Artem L. Kozlovskiy Anna S. Zagrebova Rauan Sh. Abdinov Inesh E. Kenzhina Maxim V. Zdorovets
author_sort	Artem L. Kozlovskiy
title	A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
title_short	A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
title_full	A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
title_fullStr	A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
title_full_unstemmed	A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants
title_sort	study on the applicability of nife<sub>2</sub>o<sub>4</sub> nanoparticles as the basis of catalysts for the purification of aqueous media from pollutants
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/91167095c6bd49f4a4f051ccd96cc6e4
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A Study on the Applicability of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants

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