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Effect of Wood Biomass Ash Storage on the Properties of Cement Composites

Carević, Ivana ; Štirmer, Nina ; Serdar, Marijana ; Ukrainczyk, Neven (2022)
Effect of Wood Biomass Ash Storage on the Properties of Cement Composites.
In: Materials, 14 (7)
doi: 10.3390/ma14071632
Article, Bibliographie

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Abstract

Since ash from wood biomass mostly ends up in landfills, recent research has focused on finding its economic and environmental added value as a potential new raw material in the construction industry. However, for wood ash to be used on an industrial scale in construction, a strategy for its proper storage must be defined. Proper storage of WBA is important to ensure quality control for applications in cementitious composites. This work investigated the aging of wood biomass ash (WBA) collected from five different power plants in Croatia and its influence on the performance of cementitious composites. WBA and cement pastes were investigated at different aging times (up to one year) using thermogravimetric analysis (TGA), powder X-ray diffraction (XRD), isothermal calorimetry and initial and final setting times. The results showed that storage of WBA in closed and open containers resulted in carbonation and hydration of mainly free lime and periclase, respectively, which affected the reactivity and setting times of WBA cement pastes

Item Type: Article
Erschienen: 2022
Creators: Carević, Ivana ; Štirmer, Nina ; Serdar, Marijana ; Ukrainczyk, Neven
Type of entry: Bibliographie
Title: Effect of Wood Biomass Ash Storage on the Properties of Cement Composites
Language: English
Date: 2022
Publisher: MDPI
Journal or Publication Title: Materials
Volume of the journal: 14
Issue Number: 7
Collation: 17 Seiten
DOI: 10.3390/ma14071632
Corresponding Links:
Abstract:

Since ash from wood biomass mostly ends up in landfills, recent research has focused on finding its economic and environmental added value as a potential new raw material in the construction industry. However, for wood ash to be used on an industrial scale in construction, a strategy for its proper storage must be defined. Proper storage of WBA is important to ensure quality control for applications in cementitious composites. This work investigated the aging of wood biomass ash (WBA) collected from five different power plants in Croatia and its influence on the performance of cementitious composites. WBA and cement pastes were investigated at different aging times (up to one year) using thermogravimetric analysis (TGA), powder X-ray diffraction (XRD), isothermal calorimetry and initial and final setting times. The results showed that storage of WBA in closed and open containers resulted in carbonation and hydration of mainly free lime and periclase, respectively, which affected the reactivity and setting times of WBA cement pastes

Uncontrolled Keywords: wood biomass ash, cement-based materials, cement partial replacement, aging, hydration, carbonation
Classification DDC: 600 Technology, medicine, applied sciences > 620 Engineering and machine engineering
Divisions: 13 Department of Civil and Environmental Engineering Sciences
13 Department of Civil and Environmental Engineering Sciences > Institute of Construction and Building Materials
Date Deposited: 02 Aug 2024 12:37
Last Modified: 02 Aug 2024 12:37
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