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Thermal Behavior of Ceramic Bodies Based on Fly Ash and Smectites
- 1.0584973 - ÚGN 2025 RIV CH eng J - Článek v odborném periodiku
Plevová, Eva - Vaculíková, Lenka
Thermal Behavior of Ceramic Bodies Based on Fly Ash and Smectites.
Minerals. Roč. 14, č. 4 (2024), č. článku 334. E-ISSN 2075-163X
Grant ostatní: AV ČR(CZ) StrategieAV21/30
Program: StrategieAV
Institucionální podpora: RVO:68145535
Klíčová slova: smectites * fly ash * thermal analysis * FT-IR spectroscopy * X-ray diffraction
Obor OECD: Mineralogy
Impakt faktor: 2.5, rok: 2022
Způsob publikování: Open access
https://www.mdpi.com/2075-163X/14/4/334
The work is focused on the investigation of the thermal behavior of natural smectite minerals (montmorillonite, beidellite, hectorite and nontronite) and their mixtures with power plant fly ash as a waste material, in different proportions. Phase analysis was obtained using X-ray diffraction and FT-IR spectroscopy. Under heating to 1200 °C, the structural changes of smectites were divided into four steps including dehydration, dehydroxylation, decomposition and crystallization of new phases. The addition of fly ash caused a shift in the reaction temperatures for all the mentioned phases. The obtained experimental thermal data can be applicable not only in the production of ceramic bodies or energy waste processing but also in construction and ensuring the safety of municipal waste landfills.
Trvalý link: https://hdl.handle.net/11104/0352758
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