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

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

The cement industry significantly impacts the environment due to natural resource extraction and fossil fuel combustion, with carbon dioxide (CO<sub>2</sub>) emissions being a major concern. The industry emits 0.6 tons of CO<sub>2</sub> per ton of cement, accounting for about...

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Bibliographic Details
Main Authors: Luísa Marques, Maria Vieira, José Condeço, Carlos Henriques, Maria Mateus
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Energies
Subjects:
methanol
CO<sub>2</sub> catalytic conversion
Cu-based catalysts
noble metal-based catalysts
transitional metal carbides catalysts
cement industry
Online Access:https://www.mdpi.com/1996-1073/17/21/5285
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Summary:The cement industry significantly impacts the environment due to natural resource extraction and fossil fuel combustion, with carbon dioxide (CO<sub>2</sub>) emissions being a major concern. The industry emits 0.6 tons of CO<sub>2</sub> per ton of cement, accounting for about 8% of global CO<sub>2</sub> emissions. To meet the 13th United Nations Sustainable Development Goal, cement plants aim for carbon neutrality by 2050 through reducing CO<sub>2</sub> emissions and adopting Carbon Capture and Utilization (CCU) technologies. A promising approach is converting CO<sub>2</sub> into valuable chemicals and fuels, such as methanol (MeOH), using Power-to-Liquid (PtL) technologies. This process involves capturing CO<sub>2</sub> 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<sub>2</sub> hydrogenation is crucial. This comprehensive mini-review presents a holistic view of recent advancements in CO<sub>2</sub> catalytic conversion to MeOH, focusing on catalyst performance, selectivity, and stability. It outlines a long-term strategy for utilizing captured CO<sub>2</sub> emissions from cement plants to produce MeOH, offering an experimental roadmap for the decarbonization of the cement industry.
ISSN:1996-1073

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