Paving the way for sustainable decarbonization of the European cement industry

Otavio Cavalett, Marcos D. B. Watanabe, Mari Voldsund, Simon Roussanaly and Francesco Cherubini ()
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Otavio Cavalett: Norwegian University of Science and Technology (NTNU)
Marcos D. B. Watanabe: Norwegian University of Science and Technology (NTNU)
Mari Voldsund: SINTEF Energy Research
Simon Roussanaly: SINTEF Energy Research
Francesco Cherubini: Norwegian University of Science and Technology (NTNU)

Nature Sustainability, 2024, vol. 7, issue 5, 568-580

Abstract: Abstract Cement production is a main source of carbon emissions. Decarbonization options exist, but their climate change mitigation potential, feasibility and environmental implications are still unclear. Here we assess 15 decarbonization options for the European cement industry under current and future conditions. Climate impacts per tonne of clinker produced today in European countries vary between 832 and 1,075 kg CO2-equivalents. Decarbonization options at various maturity levels can mitigate between 7 and 135 Mt CO2-equivalents per year (4–108% of today’s annual emissions from European cement plants), with a range of synergies and trade-offs. Solutions such as alternative fuels or technological improvements reduce climate impacts up to 30%, while a mix of ambitious complementary measures achieves a mitigation of about 50% by 2050. Only rapid and large-scale implementation of carbon capture and storage can approach climate neutrality. Carbon capture for production of e-fuels presents no significant mitigation benefits while it increases other environmental impacts.

Date: 2024
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DOI: 10.1038/s41893-024-01320-y

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