Fuel Features of Straw Biomass Valorized with Aluminosilicates

Straw biomass is a renewable but problematic fuel due to its high alkali and chlorine content, which can cause slagging and corrosion during combustion. To mitigate these issues, this study investigates the influence of aluminosilicate additives on the thermal behavior and combustion characteristics...

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Main Authors: Joanna Wnorowska, Mateusz Tymoszuk, Sylwester Kalisz
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Energies
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Online Access:https://www.mdpi.com/1996-1073/18/13/3302
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author Joanna Wnorowska
Mateusz Tymoszuk
Sylwester Kalisz
author_facet Joanna Wnorowska
Mateusz Tymoszuk
Sylwester Kalisz
author_sort Joanna Wnorowska
collection DOAJ
description Straw biomass is a renewable but problematic fuel due to its high alkali and chlorine content, which can cause slagging and corrosion during combustion. To mitigate these issues, this study investigates the influence of aluminosilicate additives on the thermal behavior and combustion characteristics of straw biomass. Laboratory-scale testing is carried out using thermogravimetric analysis under atmospheric air, showing the TG, DTG, and DSC profiles of samples (kaolinite, halloysite, straw biomass, and straw biomass with 4 wt.% of halloysite). Additionally, the main combustion parameters, like the ignition temperature, the maximum peak temperature, the burnout temperature, and some combustion indexes, are presented. The results show the effect of a heating rate in the range of 5–20 °C/min. Moreover, in this study, two non-isothermal model methods (Kissinger and Ozawa) are used to estimate energy activation. While halloysite slightly affects the combustion indexes and marginally reduces energy activation, its overall influence does not significantly alter combustion efficiency. These findings support the potential and safe use of halloysite for the biomass combustion process.
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institution Kabale University
issn 1996-1073
language English
publishDate 2025-06-01
publisher MDPI AG
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series Energies
spelling doaj-art-5a94cb40adcd4ff481a69b4db18479f02025-08-20T03:28:29ZengMDPI AGEnergies1996-10732025-06-011813330210.3390/en18133302Fuel Features of Straw Biomass Valorized with AluminosilicatesJoanna Wnorowska0Mateusz Tymoszuk1Sylwester Kalisz2Department of Power Engineering and Turbomachinery, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, PolandDepartment of Power Engineering and Turbomachinery, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, PolandDepartment of Power Engineering and Turbomachinery, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, PolandStraw biomass is a renewable but problematic fuel due to its high alkali and chlorine content, which can cause slagging and corrosion during combustion. To mitigate these issues, this study investigates the influence of aluminosilicate additives on the thermal behavior and combustion characteristics of straw biomass. Laboratory-scale testing is carried out using thermogravimetric analysis under atmospheric air, showing the TG, DTG, and DSC profiles of samples (kaolinite, halloysite, straw biomass, and straw biomass with 4 wt.% of halloysite). Additionally, the main combustion parameters, like the ignition temperature, the maximum peak temperature, the burnout temperature, and some combustion indexes, are presented. The results show the effect of a heating rate in the range of 5–20 °C/min. Moreover, in this study, two non-isothermal model methods (Kissinger and Ozawa) are used to estimate energy activation. While halloysite slightly affects the combustion indexes and marginally reduces energy activation, its overall influence does not significantly alter combustion efficiency. These findings support the potential and safe use of halloysite for the biomass combustion process.https://www.mdpi.com/1996-1073/18/13/3302straw biomassaluminasilicatesfuel additivesthermal behaviorsolid biofuelsbiomass valorization
spellingShingle Joanna Wnorowska
Mateusz Tymoszuk
Sylwester Kalisz
Fuel Features of Straw Biomass Valorized with Aluminosilicates
Energies
straw biomass
aluminasilicates
fuel additives
thermal behavior
solid biofuels
biomass valorization
title Fuel Features of Straw Biomass Valorized with Aluminosilicates
title_full Fuel Features of Straw Biomass Valorized with Aluminosilicates
title_fullStr Fuel Features of Straw Biomass Valorized with Aluminosilicates
title_full_unstemmed Fuel Features of Straw Biomass Valorized with Aluminosilicates
title_short Fuel Features of Straw Biomass Valorized with Aluminosilicates
title_sort fuel features of straw biomass valorized with aluminosilicates
topic straw biomass
aluminasilicates
fuel additives
thermal behavior
solid biofuels
biomass valorization
url https://www.mdpi.com/1996-1073/18/13/3302
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AT mateusztymoszuk fuelfeaturesofstrawbiomassvalorizedwithaluminosilicates
AT sylwesterkalisz fuelfeaturesofstrawbiomassvalorizedwithaluminosilicates