Avaliação do ciclo de vida de clínqueres belíticos com lama do beneficiamento de rochas ornamentais e lama de carbonato de cálcio

Autores/as

  • Francisco Roger Carneiro Ribeiro Universidade Federal do Rio Grande do Sul (UFRGS)
  • Marilise Garbin UNISINOS
  • Maikon Moreira de Pires UNISINOS
  • Carlos Alberto Mendes Moraes UNISINOS
  • Feliciane Andrade Brehm UNISINOS
  • Regina Celia Espinosa Modolo UNISINOS

Palabras clave:

Ornamental rock processing sludge, Calcium carbonate sludge, Belitic clinker, Life cycle assessment

Resumen

This article aims to evaluate the potential environmental impacts of using mud from processing ornamental rocks and calcium carbonate sludge in producing belitic clinkers on a laboratory scale. The functional unit considered was 396 grams of wet pellet produced in cycle 1 of each formulation. Potential environmental impacts were assessed with a midpoint scope, attributional approach, for the categories covered by the EF 3.0 method. The SimaPro Expert 9.1.1.1 software was used for modelling, with the Ecoinvent 3.6 database. Belitic clinkers with residues showed environmental gains in the climate change impact and resource use categories compared to the reference clinker. The main contributors to environmental impacts are transportation and the electrical energy consumed by the muffle furnace in the clinkerization stage. Thus, it was possible to conclude the technical and environmental feasibility of producing more sustainable binders using entirely industrial solid waste.

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Biografía del autor/a

Francisco Roger Carneiro Ribeiro, Universidade Federal do Rio Grande do Sul (UFRGS)

Doutorando em Engenharia Civil na Universidade Federal do Rio Grande do Sul (PPGCI/UFRGS).

Publicado

24.03.2025

Cómo citar

RIBEIRO, Francisco Roger Carneiro; GARBIN, Marilise; PIRES, Maikon Moreira de; MORAES, Carlos Alberto Mendes; BREHM, Feliciane Andrade; MODOLO, Regina Celia Espinosa. Avaliação do ciclo de vida de clínqueres belíticos com lama do beneficiamento de rochas ornamentais e lama de carbonato de cálcio. Ambiente Construído, [S. l.], v. 25, 2025. Disponível em: https://seer.ufrgs.br/index.php/ambienteconstruido/article/view/139995. Acesso em: 27 ago. 2025.

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