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Waste valorization of iron ore tailings in Brazil: Assessment metrics from a circular economy perspective

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  • Vilaça, A.S.I.
  • Simão, L.
  • Montedo, O.R.K.
  • Novaes de Oliveira, A.P.
  • Raupp-Pereira, F.

Abstract

The use of iron ore tailings (IoT) as an alternative mineral source can improve the sustainability of the mining process. Therefore, this study was conducted to describe the parameters of interest, including waste generation, and electricity and water consumption, in the iron mining activity of the Iron Quadrangle in Minas Gerais, Brazil, between 2010 and 2018. An increase of 65% of IoT generation was observed, which was accompanied by an increase of 70% and 90% in water and electricity usage, respectively. Recognizing this, a decision-making process for the waste valorization of iron ore processing was systematized with the criteria of classification, potentiality, quantity/feasibility, and applicability (CPQvA). Criticality indices were defined for a qualitative assessment of potential products and possible applications in other industrial sectors. The analyses performed showed interesting possibilities for alignments with circular economy practices, through industrial symbiosis, with the use of IoT as raw materials in the paving, ceramic, cement, and concrete industries.

Suggested Citation

  • Vilaça, A.S.I. & Simão, L. & Montedo, O.R.K. & Novaes de Oliveira, A.P. & Raupp-Pereira, F., 2022. "Waste valorization of iron ore tailings in Brazil: Assessment metrics from a circular economy perspective," Resources Policy, Elsevier, vol. 75(C).
    • Handle: RePEc:eee:jrpoli:v:75:y:2022:i:c:s0301420721004852
    DOI: 10.1016/j.resourpol.2021.102477
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    Citations

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    Cited by:

    1. Diana Méndez & Fredy Guzmán-Martínez & Mauricio Acosta & Luis Collahuazo & Danilo Ibarra & Luis Lalangui & Samantha Jiménez-Oyola, 2022. "Use of Tailings as a Substitute for Sand in Concrete Blocks Production: Gravimetric Mining Wastes as a Case Study," Sustainability, MDPI, vol. 14(23), pages 1-14, December.
    2. Upadhyay, Saurabh, 2022. "Drivers for sustainable mining waste management – A mixed-method study on the Indian Mining Industry," Resources Policy, Elsevier, vol. 79(C).
    3. Nicolas Bijon & Juliette Cerceau & Magali Dechesne & Guillaume Junqua & Tom Wassenaar, 2022. "What and why? Exploring rational myths of industrial symbioses in French case studies," Post-Print hal-03712860, HAL.
    4. Acordi, J. & Simão, L. & Faraco, M.N.S. & Borgert, C.H. & Olivo, E. & Montedo, O.R.K. & Raupp-Pereira, F., 2023. "Waste valorization of coal mining waste from a circular economy perspective: A Brazilian case study based on environmental and physicochemical features," Resources Policy, Elsevier, vol. 80(C).
    5. Mustapha Amrani & Yassine Taha & Azzouz Kchikach & Mostafa Benzaazoua & Rachid Hakkou, 2022. "Field and Economic Studies on Mine Waste: Sustainable Reuse as Aggregates for Low Traffic Pavement Structure," Sustainability, MDPI, vol. 14(19), pages 1-19, October.

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