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- Title
Effect of Wood Biomass Ash Storage on the Properties of Cement Composites.
- Authors
Carević, Ivana; Štirmer, Nina; Serdar, Marijana; Ukrainczyk, Neven; Ducman, Vilma; Bernardi, Adriana; Mladenovic, Ana
- 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.
- Subjects
CROATIA; WORLD Boxing Association; WOOD ash; CEMENT composites; X-ray powder diffraction; CONSTRUCTION materials; RAW materials; DETERIORATION of materials
- Publication
Materials (1996-1944), 2021, Vol 14, Issue 7, p1632
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma14071632