Open Access
ACS Omega, volume 6, issue 30, pages 20076-20085
Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants
Publication type: Journal Article
Publication date: 2021-07-21
PubMed ID:
34368592
General Chemistry
General Chemical Engineering
Abstract
Characterization of magnetic particulate matter (PM) in coal fly ashes is critical to assessing the health risks associated with industrial coal combustion and for future applications of fine fractions that will minimize solid waste pollution. In this study, magnetic narrow fractions of fine ferrospheres related to environmentally hazardous PM2.5, PM2.5–10, and PM10 were for the first time separated from fly ash produced during combustion of Ekibastuz coal. It was determined that the average diameter of globules in narrow fractions is 1, 2, 3, and 7 μm. The major components of chemical composition are Fe2O3 (57–60) wt %, SiO2 (25–28 wt %), and Al2O3 (10–12 wt %). The phase composition is represented by crystalline phases, including ferrospinel, α-Fe2O3, ε-Fe2O3, mullite, and quartz, as well as the amorphous glass phase. Mössbauer spectroscopy and magnetic measurements confirmed the formation of nanoscale particles of ε-Fe2O3. Stabilization of the ε-Fe2O3 metastable phase, with quite ideal distribution of iron cations, occurs in the glass matrix due to the rapid cooling of fine globules during their formation from mineral components of coal.
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Fomenko E. et al. Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants // ACS Omega. 2021. Vol. 6. No. 30. pp. 20076-20085.
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Fomenko E., Anshits N. N., Solovyov L. A., Knyazev Y. V., Semenov S., Bayukov O. A., Anshits A. Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants // ACS Omega. 2021. Vol. 6. No. 30. pp. 20076-20085.
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TY - JOUR
DO - 10.1021/acsomega.1c03187
UR - https://doi.org/10.1021%2Facsomega.1c03187
TI - Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants
T2 - ACS Omega
AU - Anshits, Natalia N
AU - Bayukov, Oleg A
AU - Fomenko, E.V
AU - Anshits, A.G.
AU - Solovyov, Leonid A.
AU - Knyazev, Yu. V.
AU - Semenov, S. V.
PY - 2021
DA - 2021/07/21 00:00:00
PB - American Chemical Society (ACS)
SP - 20076-20085
IS - 30
VL - 6
PMID - 34368592
SN - 2470-1343
ER -
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@article{2021_Fomenko,
author = {Natalia N Anshits and Oleg A Bayukov and E.V Fomenko and A.G. Anshits and Leonid A. Solovyov and Yu. V. Knyazev and S. V. Semenov},
title = {Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants},
journal = {ACS Omega},
year = {2021},
volume = {6},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021%2Facsomega.1c03187},
number = {30},
pages = {20076--20085},
doi = {10.1021/acsomega.1c03187}
}
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Fomenko, E.V, et al. “Magnetic Fractions of PM2.5, PM2.5–10, and PM10 from Coal Fly Ash as Environmental Pollutants.” ACS Omega, vol. 6, no. 30, Jul. 2021, pp. 20076-20085. https://doi.org/10.1021%2Facsomega.1c03187.