Combining Mineral Fractions of Recovered MSWI Bottom Ash: Improvement for Utilization in Civil Engineering Structures

Sormunen, Laura Annika; Kalliainen, Antti; Kolisoja, Pauli; Rantsi, Riina

doi:10.1007/s12649-016-9656-4

Cited by 22 publications

(8 citation statements)

References 8 publications

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“…However, the literature providing comprehensive information about the whole MSWI BA fraction range is rather limited. Among the most relevant to this topic are studies devoted to the use of different grain sizes of treated MSWI BA mineral fractions in designing concrete recipes (Sormunen et al, 2017); however, mineralogy and morphology of the treated material is not discussed. Different particle-size fractions of MSWI BA were investigated, but the fractionation was not very detailed (6 fractions) and fines were studied as a single 0e2-mm fraction (del Valle-Zermeño et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Detailed characterization of particle size fractions of municipal solid waste incineration bottom ash

Логинова

Volkov

Wouw

et al. 2019

Journal of Cleaner Production

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Section: Introductionmentioning

confidence: 99%

Detailed characterization of particle size fractions of municipal solid waste incineration bottom ash

Логинова

Volkov

Wouw

et al. 2019

Journal of Cleaner Production

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“…The extraction of aggregate products offers another recovery opportunity from MSWI ash. A strong track record of using MSWI BA for applications such as road base, pavement aggregate, and cement kiln feed has been established, especially in Europe. − Denmark, for example, recovers 99% of their bottom ash for use in infrastructural applications . A limited number of pilot-scale recycling efforts have been undertaken in the U.S., , but wider interest in this approach has been hampered by the fact that BA and FA are combined.…”

Section: Resultsmentioning

confidence: 99%

Re-evaluating the TCLP’s Role as the Regulatory Driver in the Management of Municipal Solid Waste Incinerator Ash

Clavier

Liu

Intrakamhaeng

et al. 2019

Environ. Sci. Technol.

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Up to 30% of the municipal solid waste (MSW) that is incinerated for energy recovery ends up as MSW incinerator (MSWI) ash. In light of the large volume of MSWI ash and the expenses and regulatory burden if this ash were managed as a hazardous waste, U.S. MSWI facilities place great emphasis on ensuring MSWI ashes pass the toxicity characteristic leaching procedure (TCLP). The focus on passing the TCLP has the unintended consequence of making recycling more difficult and arguably making the ash less benign. This policy analysis examines current U.S. MSWI ash management practices in relation to the TCLP, and discusses the role of the TCLP as a regulatory driver in the management of MSWI ashes. A review of existing information, example data, and common MSWI ash management practices provide insight into potential issues with the current approach and opportunities for alternative directions.

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“…Compared to MSWI FA, MSWI BA contains significantly fewer heavy metals and other toxic substances and therefore is more acceptable for reuse [ 9 ]. Analysis of the chemical and mineral composition of MSWI BA showed that this waste can be used as secondary raw material in the construction sector [ 10 ]. In the composition of MSWI BA is glass, which is finely milled and acts as a pozzolan [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Milled Municipal Solid Waste Incineration Bottom Ash on Cement Hydration and Mortar Properties

2023

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Large amounts of municipal solid waste incineration bottom ash (MSWI BA) are formed worldwide, and this quantity is growing because of the establishment of new waste-to-energy plants. This waste is generally kept in landfills but can be used for the manufacturing of cementitious building materials. This article analyzes the use of MSWI BA as a microfiller in cement mortars. The effects of MSWI BA on the properties of cement binder and mortar were analyzed by using them separately or in combination with other microfillers: milled quartz sand, metakaolin, milled glass, and microsilica. This article investigates the flowability of cement-based mixtures, the volume change as a result of the evolution of hydrogen gas, cement hydration, XRD, TG, the physical and mechanical properties of the mortar samples, and leaching. The addition of milled MSWI BA in cement mortars was found to significantly increase slump flow; therefore, MSWI BA can be used as a microfiller. The addition of metakaolin changed the kinetics of H2, which evolved due to the reaction between Al and alkali, and had a positive effect on the mechanical properties of cement mortar.

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Combining Mineral Fractions of Recovered MSWI Bottom Ash: Improvement for Utilization in Civil Engineering Structures

Cited by 22 publications

References 8 publications

Detailed characterization of particle size fractions of municipal solid waste incineration bottom ash

Detailed characterization of particle size fractions of municipal solid waste incineration bottom ash

Re-evaluating the TCLP’s Role as the Regulatory Driver in the Management of Municipal Solid Waste Incinerator Ash

The Effect of Milled Municipal Solid Waste Incineration Bottom Ash on Cement Hydration and Mortar Properties

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