A Mini-Review on Recent Developments and Improvements in CO 2 Catalytic Conversion to Methanol: Prospects for the Cement Plant Industry

Luísa Marques, Maria Vieira, José Condeço, Carlos Henriques and Maria Mateus ()
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Luísa Marques: c5Lab—Sustainable Construction Materials Association, 2795-242 Linda-a-Velha, Portugal
Maria Vieira: c5Lab—Sustainable Construction Materials Association, 2795-242 Linda-a-Velha, Portugal
José Condeço: c5Lab—Sustainable Construction Materials Association, 2795-242 Linda-a-Velha, Portugal
Carlos Henriques: Centro de Química Estrutural (CQE), Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
Maria Mateus: c5Lab—Sustainable Construction Materials Association, 2795-242 Linda-a-Velha, Portugal

Energies, 2024, vol. 17, issue 21, 1-23

Abstract: The cement industry significantly impacts the environment due to natural resource extraction and fossil fuel combustion, with carbon dioxide (CO 2 ) emissions being a major concern. The industry emits 0.6 tons of CO 2 per ton of cement, accounting for about 8% of global CO 2 emissions. To meet the 13th United Nations Sustainable Development Goal, cement plants aim for carbon neutrality by 2050 through reducing CO 2 emissions and adopting Carbon Capture and Utilization (CCU) technologies. A promising approach is converting CO 2 into valuable chemicals and fuels, such as methanol (MeOH), using Power-to-Liquid (PtL) technologies. This process involves capturing CO 2 from cement plant flue gas and using hydrogen from renewable sources to produce renewable methanol (e-MeOH). Advancing the development of novel, efficient catalysts for direct CO 2 hydrogenation is crucial. This comprehensive mini-review presents a holistic view of recent advancements in CO 2 catalytic conversion to MeOH, focusing on catalyst performance, selectivity, and stability. It outlines a long-term strategy for utilizing captured CO 2 emissions from cement plants to produce MeOH, offering an experimental roadmap for the decarbonization of the cement industry.

Keywords: methanol; CO 2 catalytic conversion; Cu-based catalysts; noble metal-based catalysts; transitional metal carbides catalysts; cement industry (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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