Investigation of the Prospects for the Use of Iron-Containing Nanocomposites Doped with Rare Earth Elements as Catalysts for the Purification of Aqueous Media
Электронный научный архив УРФУ
Информация об архиве | Просмотр оригинала| Поле | Значение | |
| Заглавие |
Investigation of the Prospects for the Use of Iron-Containing Nanocomposites Doped with Rare Earth Elements as Catalysts for the Purification of Aqueous Media
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| Автор |
Kadyrzhanov, K. K.
Kozlovskiy, A. L. Egizbek, K. B. Kubekova, S. N. Kenzhina, I. E. Zdorovets, M. V. |
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| Тематика |
HEAVY METAL ADSORPTION
IRON OXIDE MAGNETIC NANOPARTICLES NANOCOMPOSITES PURIFICATION OF AQUEOUS MEDIA |
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| Описание |
The great interest in nanostructured magnetic composites is due to their great prospects for use as a basis for the development of catalysts for the adsorption of manganese in wastewater. Interest in magnetic nanocomposites in this direction is primarily due to the possibility of extracting them from water media using ordinary magnets, which allows them to be used again. Additionally, it is worthwhile to note interest in research related to increasing the efficiency of adsorption, as well as an increase in the number of repeated cycles of operation. In this regard, the main goal of this study is to study the prospects for applying the method of mechanochemical synthesis for the creation of iron-containing nanocomposites doped by rare-earth elements Gd, Ce, Y, and Nd in order to obtain optimal catalysts for cleaning water media. During the studies, structural properties and phase composition of synthesized nanocomposites were established, as well as ultra-thin parameters of the magnetic field. It has been established that the kinetic curves of the adsorption process can be described by a pseudo-first-order model, and the process of manganese adsorption itself is associated with the cationic interaction of manganese ions with the surface of nanocomposites. The kinetic curves of degradation were determined, as well as the influence of the number of cyclic tests on the adsorption of manganese for synthesized nanocomposites, depending on the type of dopant and phase composition, respectively. Iron-containing nanocomposites doped with gadolinium and neodymium have been found to have the highest adsorption efficiency and corrosion resistance. Particular attention is paid to the study of the stability of storage of nanocomposites for a long time, as well as the preservation of their adsorbent properties in the purification of aqueous media. It has been determined that the modification of nanostructures with the help of rare earth compounds leads to an increase in resistance to degradation, as well as to the preservation of the efficiency of adsorption for 5–7 cycles in comparison with Fe2O3 nanoparticles, for which low resistance to degradation was observed. © 2023 by the authors.
Ministry of Education and Science of the Republic of Kazakhstan: AP09259184 This study was funded by the Ministry of Education and Science of the Republic of Kazakhstan (grant AP09259184). |
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| Дата |
2024-04-05T16:18:23Z
2024-04-05T16:18:23Z 2023 |
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| Тип |
Article
Journal article (info:eu-repo/semantics/article) |info:eu-repo/semantics/publishedVersion |
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| Идентификатор |
Kadyrzhanov, KK, Kozlovskiy, AL, Egizbek, KB, Kubekova, SN, Kenzhina, IE & Zdorovets, MV 2023, 'Investigation of the Prospects for the Use of Iron-Containing Nanocomposites Doped with Rare Earth Elements as Catalysts for the Purification of Aqueous Media', Magnetochemistry, Том. 9, № 3, 87. https://doi.org/10.3390/magnetochemistry9030087
Kadyrzhanov, K. K., Kozlovskiy, A. L., Egizbek, K. B., Kubekova, S. N., Kenzhina, I. E., & Zdorovets, M. V. (2023). Investigation of the Prospects for the Use of Iron-Containing Nanocomposites Doped with Rare Earth Elements as Catalysts for the Purification of Aqueous Media. Magnetochemistry, 9(3), [87]. https://doi.org/10.3390/magnetochemistry9030087 2312-7481 Final All Open Access, Gold https://www.scopus.com/inward/record.uri?eid=2-s2.0-85151149476&doi=10.3390%2fmagnetochemistry9030087&partnerID=40&md5=f824e21aca1436f85cbd191bd2a3a0b6 https://www.mdpi.com/2312-7481/9/3/87/pdf?version=1679484696 http://elar.urfu.ru/handle/10995/130312 10.3390/magnetochemistry9030087 85151149476 000958123600001 |
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| Язык |
en
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| Права |
Open access (info:eu-repo/semantics/openAccess)
cc-by https://creativecommons.org/licenses/by/4.0/ |
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| Формат |
application/pdf
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| Издатель |
MDPI
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| Источник |
Magnetochemistry
Magnetochemistry |
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