Synthesis of micro- and mesoporous aluminosilicates in the presence of polyethylene glycol
- Autores: Arefieva O.D.1,2, Dovgan S.V.1, Kovekhova A.V.1,2, Panasenko A.E.2, Tsvetnov M.A.1, Kozlov A.G.1, Pervakov K.A.1
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Afiliações:
- Far Eastern Federal University
- Institute of Chemistry Far-Eastern Branch of the Russian Academy of Sciences
- Edição: Volume 70, Nº 3 (2025)
- Páginas: 315-326
- Seção: СИНТЕЗ И СВОЙСТВА НЕОРГАНИЧЕСКИХ СОЕДИНЕНИЙ
- URL: https://journals.rcsi.science/0044-457X/article/view/294779
- DOI: https://doi.org/10.31857/S0044457X25030037
- EDN: https://elibrary.ru/BCDYOW
- ID: 294779
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Resumo
Natural and synthetic aluminosilicates currently have a wide range of applications. Silicon-containing wastes of rice production are of great interest as a source of raw materials for their production. The purpose of this work is to synthesize micro- and mesoporous materials from rice husk by templat method using PEG-6000. The obtained samples were investigated by differential thermal analysis and IR spectroscopy, which showed the introduction of PEG into the structure of potassium aluminosilicate during sol-gel synthesis. The specific surface area of the samples and pore size distribution were determined by low-temperature nitrogen adsorption, according to which it was found that the pore radius increased from 100 to 200 Å during sol-gel synthesis when the PEG concentration was changed from 5 to 20 mmol/L. The study of the surface of the samples by scanning electron microscopy showed that the introduction of templat changes their surface morphology and promotes structuring.
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Sobre autores
O. Arefieva
Far Eastern Federal University; Institute of Chemistry Far-Eastern Branch of the Russian Academy of Sciences
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok; Vladivostok
S. Dovgan
Far Eastern Federal University
Autor responsável pela correspondência
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok
A. Kovekhova
Far Eastern Federal University; Institute of Chemistry Far-Eastern Branch of the Russian Academy of Sciences
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok; Vladivostok
A. Panasenko
Institute of Chemistry Far-Eastern Branch of the Russian Academy of Sciences
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok
M. Tsvetnov
Far Eastern Federal University
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok
A. Kozlov
Far Eastern Federal University
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok
K. Pervakov
Far Eastern Federal University
Email: dovgan.sv@dvfu.ru
Rússia, Vladivostok
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