CASE STUDY ON ENHANCED LANDFILL MINING AT MONT-SAINT-GUIBERT LANDFILL IN BELGIUM: MECHANICAL PROCESSING, PHYSICO-CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF FINE FRACTIONS &lt;4.5 MM

Vollprecht, Daniel; Parrodi, Juan Carlos Hernández; Lucas, Hugo; Pomberger, Roland

doi:10.31025/2611-4135/2020.13940

Cited by 10 publications

(5 citation statements)

References 31 publications

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“…Moreover, these data will enable us to consider RDF as a resource for obtaining alternative fuel that meets the EU standard. Results of mineralogical analysis of compositions showed similarity for some minerals, quartz and microcline anorthite, with results of Daniel Vollprecht et al [44].…”

Section: Physicochemical Properties Of Potential Fuelsupporting

confidence: 83%

Proposal for Implementation of Extraction Mechanism of Raw Materials during Landfill Mining and Its Application in Alternative Fuel Production

et al. 2023

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New approaches to waste management and the demands of the circular economy have changed the management of landfills. Over time, the decomposition of buried waste primarily determines the amount of recyclable and combustible materials. This pilot study attempted to assess the feasibility of extracting and recovering energy-intensive raw materials from landfills by developing a waste extraction mechanism and creating a solid recovered fuel (SRF) production line for use as a replacement fuel in the cement industry. The proposed mechanism consisted of two stages. The first stage was recommended to be carried out on the landfill territory by screening out the fine fraction and extracting inert materials and bulky waste. The second stage should be on the mechanical biological treatment (MBT) plant’s territory by adding additional technological equipment to the MBT line. The productivity of the SRF production line was calculated and was 4.9 t/h. The mechanism proposed in the work was tested at the operating test site in Lithuania. The composition of Landfill Mined Residues (LMRs) was studied, and the energy potential of the studied part of the landfill was calculated, which was 196,700 GJ. It has been found that the SRF produced complies with the European Union (EU) standard and, according to its classification characteristics, belongs to class III and can be used as a replacement fuel in the clinker firing process. An environmental and economic efficiency assessment was conducted using SRF in the cement kiln. The calculation result showed that using 10% SRF as a replacement fuel for coal used in clinker firing at 2.51 t/h would save 1274 USD/h in coal costs. This use of SRF will emit 3.64 t/h CO2 and achieve a net savings of 1355 USD/h. The mechanism proposed in this work aimed at reducing waste in landfills by converting materials into energy resources will help achieve the circular economy’s goals.

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Section: Physicochemical Properties Of Potential Fuelsupporting

confidence: 83%

Proposal for Implementation of Extraction Mechanism of Raw Materials during Landfill Mining and Its Application in Alternative Fuel Production

et al. 2023

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“…Some other fractions, e.g., the combustibles, might be classified as "anthropogenic resource" if RDF prices rise significantly above zero. However, the results for the fine fraction do not justify a classification as anthropogenic resource, as no reasonable prospects for their purification exist [71].…”

Section: Waste Management Meets Mining Economicsmentioning

confidence: 92%

“…The heavy fraction was investigated with respect to the utilization as construction material and the light fraction with respect to the use as refuse derived fuel (RDF) [70]. The fine fraction < 4.5 mm was further processed and characterized with respect to the relationship between mineralogy and leachability indicating the stable mineralogical bonding of many contaminants (e.g., Pb as metal and Pb-Ca phosphate and Zn as Fe-Zn alloy, ZnS and ZnSO 4 ) [71].…”

Section: Mechanical Processingmentioning

confidence: 99%

“…Regarding the production of secondary raw materials, NEW-MINE demonstrated that e.g., the 2D fraction of ballistic separation can substitute for fossil fuels in co-incineration plants. In contrast, the use of the inert fraction as raw material for the production of concrete [70] and the use of the fine fraction as raw material for the production of compost soil [71] fails, due to the exceeded limit values for total and leachable contaminants.…”

Section: Recycling Waste From Landfillsmentioning

confidence: 99%

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The EU Training Network for Resource Recovery through Enhanced Landfill Mining—A Review

2021

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The “European Union Training Network for Resource Recovery Through Enhanced Landfill Mining (NEW-MINE)” was a European research project conducted between 2016 and 2020 to investigate the exploration of and resource recovery from landfills as well as the processing of the excavated waste and the valorization of the obtained waste fractions using thermochemical processes. This project yielded more than 40 publications ranging from geophysics via mechanical process engineering to ceramics, which have not yet been discussed coherently in a review publication. This article summarizes and links the NEW-MINE publications and discusses their practical applicability in waste management systems. Within the NEW-MINE project in a first step concentrates of specific materials (e.g., metals, combustibles, inert materials) were produced which might be used as secondary raw materials. In a second step, recycled products (e.g., inorganic polymers, functional glass-ceramics) were produced from these concentrates at the lab scale. However, even if secondary raw materials or recycled products could be produced at a large scale, it remains unclear if they can compete with primary raw materials or products from primary raw materials. Given the ambitions of transition towards a more circular economy, economic incentives are required to make secondary raw materials or recycled products from enhanced landfill mining (ELFM) competitive in the market.

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“…Further details on the employed mechanical processing and produced fractions are reported by Hernández Parrodi, Raulf, Vollprecht, Pretz, & Pomberger, 2019c. The "Fine fractions <4.5 mm" were further mechanically processed and investigated by Vollprecht, Hernández Parrodi, Lucas, & Pomberger, 2020, while the quality of the extracted "Non-ferrous metals" was studied in Lucas et al, 2019. The recovery of ferrous metals from landfilled material has been successfully carried out in previous investigations (Van Vossen & Prent, 2011;Wagner & Raymond, 2015) and, therefore, the "Ferrous metals" fraction was not further investigated in the MSG case study.…”

Section: Introductionmentioning

confidence: 99%

Case Study on Enhanced Landfill Mining at Mont- Saint-Guibert Landfill in Belgium: Physico-Chemical Characterization and Valorization Potential of Combustibles and Inert Fractions Recovered From Fine Fractions

2020

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The fine fractions account for the largest share of material recovered through (enhanced) landfill mining. These fractions typically present challenging characteristics for processing and valorization methods and, hence, they have been largely discarded in previous landfill mining projects. This situation has hindered the economic and environmental feasibility of landfill mining, since most of the excavated waste has been directed back into the landfill. Therefore, the fine fractions are one of the major challenges faced by (enhanced) landfill mining and suitable material and energy recovery schemes for these fractions need to be further developed and, if necessary, created. To this end, the physico-chemical characteristics of the “Combustibles” and “Inert” fractions recovered from the fine fractions <90 mm through a dry-mechanical process have been determined and their suitability for waste-to-material and waste-to-energy schemes has been evaluated in the MSG case study. The recovered “Combustibles” fractions represented 12.5 wt.% and 9.0 wt.% of the fine fractions <90 mm processed in the optimal water content and dry states, while the recovered “Inert” fractions accounted for 35.5 wt.% and 37.2 wt.%, respectively. According to the EN 15359:2011, the “Combustibles” fractions could be valorized as SRF in (co-)incineration, power and cement plants in both the optimal water content state and the dry state in the EU. However, in Austria these fractions can only be incinerated and not co-incinerated according to the Austrian Waste Incineration Ordinance (AVV), since in some cases they present concentrations of As, Cd, Co, Hg and Pb above the limit values. Therefore, in contrast to conventional (co-)incineration, the plasma gasification process proposed by the NEW-MINE project might offer a potential waste-to-energy valorization route for the combustible fractions obtained from the fine fractions of landfill-mined waste. As for the “Inert” fractions, there is no overarching legislation in the EU to regulate such materials yet in place and, hence, these fractions are solely subject to national or local regulations on recycling building materials. In Austria the “Inert” fractions would need further treatment in order to be valorized as a substitute for construction aggregates according to the Austrian Recycling Building Materials Ordinance (RBV), as they exceed the limit values for hydrocarbons, Cd, Pb, Zn, NH4+ and anionic surfactants in certain cases. Therefore, suitable waste-to-material valorization schemes for the recovered inert fractions from the fine fractions of landfill-mined waste are to be further developed, while appropriate overarching regulations need to be created at EU level.

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CASE STUDY ON ENHANCED LANDFILL MINING AT MONT-SAINT-GUIBERT LANDFILL IN BELGIUM: MECHANICAL PROCESSING, PHYSICO-CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF FINE FRACTIONS <4.5 MM

Cited by 10 publications

References 31 publications

Proposal for Implementation of Extraction Mechanism of Raw Materials during Landfill Mining and Its Application in Alternative Fuel Production

Proposal for Implementation of Extraction Mechanism of Raw Materials during Landfill Mining and Its Application in Alternative Fuel Production

The EU Training Network for Resource Recovery through Enhanced Landfill Mining—A Review

Case Study on Enhanced Landfill Mining at Mont- Saint-Guibert Landfill in Belgium: Physico-Chemical Characterization and Valorization Potential of Combustibles and Inert Fractions Recovered From Fine Fractions

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