Discussion: “An overview of the coal circularity in Brazil: A new sustainable approach based on sampling method, characterization, and waste valorization”, by Faraco et al. (2025, Resources Policy 102 105496)

Luis F.O. Silva, James C. Hower and Maria Eliza Nagel-Hassemer

Resources Policy, 2025, vol. 109, issue C

Abstract: •A critical assessment reveals conceptual flaws in the proposed coal waste reuse framework.•The study lacks robust mineralogical characterization and adequate sampling procedures.•Geochemical risks, such as acid mine drainage and leaching potential, were overlooked.•The reuse of coal waste in construction materials raises unresolved environmental concerns.•A more rigorous methodological and economic feasibility analysis is urgently needed.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jrpoli:v:109:y:2025:i:c:s0301420725002454

DOI: 10.1016/j.resourpol.2025.105703

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