Biomass, Biorefineries and Bioeconomy 2022
DOI: 10.5772/intechopen.102549
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Utilization of Wood Biomass Ash in Concrete Industry

Abstract: The use of energy from wood biomass plants results in the production of large quantities of wood biomass ash (WBA). Most of the WBA is disposed of and some are used as a soil supplement in agriculture. In the concrete industry, there is a high potential for substitution of certain components with suitable alternative materials. Depending on its physical and chemical properties, WBA can be used in concrete production as a partial replacement for cement or as a substitute for fine aggregates. The suitability of … Show more

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Cited by 2 publications
(3 citation statements)
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“…The replacement of cement with untreated biomass ash by 20% and 40% (BA20 and BA40 samples) resulted in a delay of approximately 2 h in the occurrence of the main hydration peak, which was reached after 11.6 and 12.5 h, respectively. Prolonged induction periods upon the addition of biomass ash are expected according to the literature and are related to the lower cement content and its replacement with a less reactive material [ 17 ]. Contrarily, the induction period was not significantly affected in the samples containing the mechanochemically treated and the carbonated mechanochemically treated biomass ash.…”
Section: Resultsmentioning
confidence: 99%
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“…The replacement of cement with untreated biomass ash by 20% and 40% (BA20 and BA40 samples) resulted in a delay of approximately 2 h in the occurrence of the main hydration peak, which was reached after 11.6 and 12.5 h, respectively. Prolonged induction periods upon the addition of biomass ash are expected according to the literature and are related to the lower cement content and its replacement with a less reactive material [ 17 ]. Contrarily, the induction period was not significantly affected in the samples containing the mechanochemically treated and the carbonated mechanochemically treated biomass ash.…”
Section: Resultsmentioning
confidence: 99%
“…Two types of biomass ashes are produced; biomass fly ash (BFA), which is the fine and lightweight fraction that is transported by flue gases, and biomass bottom ash (BBA), which is the heavier and coarser slag comprised of sand, inorganic components, and unburnt particles [ 15 , 16 ]. To date, biomass ash is mostly disposed of via landfills, imposing risks on both the environment and human health [ 15 , 17 ]. To mitigate this risk, the immobilization of biomass ash in cementitious materials, valorised as SCM, is a promising solution and has been investigated in various studies [ 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 ].…”
Section: Introductionmentioning
confidence: 99%
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