Potential impact of coal mining and use for electricity generation in Brazil on global warming

• Autorzy: Nascimento Marisa , Soares Paulo Sergio Moreira

Identyfikatory

DOI

10.46873/2300-3960.1439

• Języki publikacji: EN

Abstrakty

EN

The study aims to evaluate the potential contribution of coal production for electric power generation in Brazil to greenhouse gases (GHG) emissions, applying life cycle assessment (LCA). The product system studied consists of mining, transportation of the coal to the power station, and power generation. The LCA was first developed only for coal mining in Brazil. Secondly, it was enlarged to include transportation of the coal domestically produced, the hard coal imported, and power generation (Integrated System BR). In the mining stage in Brazil (Brazilian coal), the contribution to the global warming potential was estimated at 237 kg of CO2eq/t of coal. Coal extraction showed the highest contribution, approximately 232 kg of CO2eq/t energetic coal (or 162 kg CO2eq/t ROM). For the Integrated System BR, the total contribution to global warming potential was estimated at 1.11 x 10³ kg of CO2eq/MWh. The generation process showed the highest contribution, accounting for 89.04%. Fugitive emissions are responsible for most of the greenhouse gases emissions. Imported hard coal (production and transportation) accounted for only 1.22% of the total contribution to global warming potential.

Słowa kluczowe

EN

coal; global warming potential; greenhouse gases; life cycle assessment

PL

węgiel; potencjał globalnego ocieplenia; gazy cieplarniane; ocena cyklu życia

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2025
• Tom: Vol. 24, iss. 1
• Strony: 65--75
• Opis fizyczny: Bibliogr. 60 poz.

Twórcy

autor

Nascimento Marisa

• Center for Mineral Technology, Coordination of Metallurgical and Environmental Processes, Brazil

• https://orcid.org/0000-0001-7485-7750

autor

Soares Paulo Sergio Moreira

• Center for Mineral Technology, Coordination of Metallurgical and Environmental Processes, Brazil

• https://orcid.org/0009-0009-0957-0572

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).