Industrial waste from biomass-fired electric power plants as alternative pozzolanic material

Bosque, I.F. Sáez del; Rojas, M.I. Sánchez de; Asensio, Eloy; Frı́as, Moisés; Medina, César

doi:10.1016/b978-0-12-820549-5.00020-6

Cited by 3 publications

(1 citation statement)

References 81 publications

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“…Ash is the residue obtained after the burning of coal or biomass. Based on the combustion of coal or lignocellulosic biomass, there are two types of ash residue generated [ 66 , 67 ]. The first one is biomass bottom ash, synthesized in the incineration chamber that is composed of sands, mostly vitreous silica [ 44 ].…”

Section: Proximate Analysis Of Lignocellulose Biomassmentioning

confidence: 99%

Activated carbon from biomass precursors using phosphoric acid: A review

Neme

Gonfa

Masi

2022

Heliyon

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Section: Proximate Analysis Of Lignocellulose Biomassmentioning

confidence: 99%

Activated carbon from biomass precursors using phosphoric acid: A review

Neme

Gonfa

Masi

2022

Heliyon

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Durability of Ternary Cements Based on New Supplementary Cementitious Materials from Industrial Waste

et al. 2021

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Cement-based materials decay with exposure to aggressive agents, a development that raises infrastructure operation and maintenance costs substantially. This paper analyses the inclusion of ultrafine construction and demolition (UC&DW) and biomass-fuelled power plant (BA) waste as pozzolanic additions to cement in pursuit of more sustainable and eco-respectful binders and assesses the durability of the end materials when exposed to seawater, chlorides (0.5 M NaCl) or sulphates (0.3 M Na2SO4). The effect of adding silica fume (SF) at a replacement ratio of 5% was also analysed. Durability was determined using the methodology proposed by Koch and Steinegger, whilst microstructural changes were monitored with mercury intrusion porosimetry (MIP), X-ray diffraction (XRD) and scanning electron microscopy (SEM) for a fuller understanding of decay processes. According to the findings, the new blended cements containing 20%UC&DW + 10%BA or 20%UC&DW + 20%BA + 5%SF resist the attack by the aggressive media studied, with a 56-d corrosion index of over 0.7. The composition of the reaction products generated with the attack is essentially the same in OPC and the SCM-bearing materials. The results show that the optimal replacement ratio for SCM is 30%.

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Evaluation of Strength Properties of Sand Stabilized with Wood Fly Ash (WFA) and Cement

et al. 2022

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The article describes the laboratory evaluation of mixtures of sand modified with wood fly ash (WFA) and additionally stabilized with different amounts of cement. Laboratory research includes determining the California Bearing Ratio (CBR), compressive and indirect tensile strengths of the mixtures, and the resistance of mixtures to freezing/thawing cycles. The aim of the research is to determine if WFA, an alternative material, can improve sand bearing capacity and contribute to strength development while reducing necessary cement amounts and satisfying the technical regulation for use in pavement base courses. The test results obtained show that WFA has a considerable stabilization effect on the sand mixture and improves its load bearing capacity. By adding a small quantity of the cement, the hydraulic reaction in the stabilized mixture is more intense and results in greater strengths and an improved resistance to freezing. The test results show that, by replacement of part of the sand with WFA (in the quantity of 30%), greater strengths can be achieved in relation to the mixture of only sand and cement. Additionally, the content of cement necessary for the stabilization of sand (usually 8–12%) is considerably reduced, which enables cost savings in the construction of pavement structures.

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Industrial waste from biomass-fired electric power plants as alternative pozzolanic material

Cited by 3 publications

References 81 publications

Activated carbon from biomass precursors using phosphoric acid: A review

Activated carbon from biomass precursors using phosphoric acid: A review

Durability of Ternary Cements Based on New Supplementary Cementitious Materials from Industrial Waste

Evaluation of Strength Properties of Sand Stabilized with Wood Fly Ash (WFA) and Cement

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