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The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Cement substitution with secondary materials can reduce annual global CO2 emissions by up to 1.3 gigatons

Open access
Shah, Izhar Hussain, Miller, Sabbie A., Jiang, Daqian, Myers, Rupert J.·2022·Nature Communications

Abstract

Population and development megatrends will drive growth in cement production, which is already one of the most challenging-to-mitigate sources of CO 2 emissions. However, availabilities of conventional secondary cementitious materials (CMs) like fly ash are declining. Here, we present detailed generation rates of secondary CMs worldwide between 2002 and 2018, showing the potential for 3.5 Gt to be generated in 2018. Maximal substitution of Portland cement clinker with these materials could have avoided up to 1.3 Gt CO 2-eq. emissions (~44% of cement production and ~2.8% of anthropogenic CO 2-eq. emissions) in 2018. We also show that nearly all of the highest cement producing nations can locally generate and use secondary CMs to substitute up to 50% domestic Portland cement clinker, with many countries able to potentially substitute 100% Portland cement clinker. Our results highlight the importance of pursuing regionally optimized CM mix designs and systemic approaches to decarbonizing the global CMs cycle.

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Metadata

Authors
Shah, I. H., Miller, S. A., Jiang, D., & Myers, R. J.
Venue
Nature Communications
Published
2022-09-30
Volume
13
Issue
1
Pages
5758-5758
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4298042776
Cited by
417
References
53
FWCI
31.46
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Cement substitution with secondary materials can reduce annual global CO2 emissions by up to 1.3 gigatons. https://app.cochat.ai/papers/10.1038/s41467-022-33289-7
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Shah, I. H., Miller, S. A., Jiang, D., & Myers, R. J. (2022). Cement substitution with secondary materials can reduce annual global CO2 emissions by up to 1.3 gigatons. Nature Communications. https://doi.org/10.1038/s41467-022-33289-7

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