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Production of Amorphous Silicon Dioxide Derived from Aluminum Fluoride Industrial Waste and Consideration of the Possibility of Its Use as Al2O3-SiO2 Catalyst Supports

Pyagay I.N., Shaidulina A.A., Konoplin R.R., Artyushevskiy D.I., Gorshneva E.A., Sutyaginsky M.A.
Тип документаJournal Article
Дата публикации2022-01-27
Название журналаCatalysts
ИздательMultidisciplinary Digital Publishing Institute (MDPI)
Квартиль по SCImagoQ2
Квартиль по Web of ScienceQ2
Импакт-фактор 20214.50
ISSN20734344
Catalysis
Physical and Theoretical Chemistry
Краткое описание
This paper presents the results of the study on the development of a methodology for the production of pure amorphous silicon dioxide containing up to 99.8 wt.% of SiO2. As a starting material, a silica gel with a moisture content of up to 55 wt.% and an SiO2/AlF3 ratio of 4 was used. The silica gel was purified using alkaline and acidic solutions in concentrations ranging from 0.1 to 25 wt.%. The analysis of the experimental data allowed to identify the most suitable purification parameters of the starting material. The initial silica gel and the reaction products were studied using the methods of X-ray fluorescence, X-ray phase analysis, electron scanning microscopy, EDS microanalysis, and particle-size analysis. Amorphous silicon dioxide obtained according to the methodology developed by the authors forms agglomerates of spherical silicon dioxide particles up to 1 μm in size. Amorphous silicon dioxide was involved in the preparation of catalyst supports in order to consider the possibility of replacing part of the expensive raw material in the form of aluminum hydroxide. In the work, the characteristics of the addition of this amorphous silicon dioxide and the supports obtained from the traditionally used raw materials were evaluated.
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1. Pyagay I. N. и др. Production of Amorphous Silicon Dioxide Derived from Aluminum Fluoride Industrial Waste and Consideration of the Possibility of Its Use as Al2O3-SiO2 Catalyst Supports // Catalysts. 2022. Т. 12. № 2. С. 162.
RIS |
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TY - JOUR

DO - 10.3390/catal12020162

UR - http://dx.doi.org/10.3390/catal12020162

TI - Production of Amorphous Silicon Dioxide Derived from Aluminum Fluoride Industrial Waste and Consideration of the Possibility of Its Use as Al2O3-SiO2 Catalyst Supports

T2 - Catalysts

AU - Pyagay, Igor N.

AU - Shaidulina, Alina A.

AU - Konoplin, Rostislav R.

AU - Artyushevskiy, Dmitriy I.

AU - Gorshneva, Ekaterina A.

AU - Sutyaginsky, Michail A.

PY - 2022

DA - 2022/01/27

PB - MDPI AG

SP - 162

IS - 2

VL - 12

SN - 2073-4344

ER -

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@article{Pyagay_2022,

doi = {10.3390/catal12020162},

url = {https://doi.org/10.3390%2Fcatal12020162},

year = 2022,

month = {jan},

publisher = {{MDPI} {AG}},

volume = {12},

number = {2},

pages = {162},

author = {Igor N. Pyagay and Alina A. Shaidulina and Rostislav R. Konoplin and Dmitriy I. Artyushevskiy and Ekaterina A. Gorshneva and Michail A. Sutyaginsky},

title = {Production of Amorphous Silicon Dioxide Derived from Aluminum Fluoride Industrial Waste and Consideration of the Possibility of Its Use as Al2O3-{SiO}2 Catalyst Supports},

journal = {Catalysts}

}

MLA
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Pyagay, Igor N., et al. “Production of Amorphous Silicon Dioxide Derived from Aluminum Fluoride Industrial Waste and Consideration of the Possibility of Its Use as Al2O3-SiO2 Catalyst Supports.” Catalysts, vol. 12, no. 2, Jan. 2022, p. 162. Crossref, https://doi.org/10.3390/catal12020162.