Reduction of Iron Oxides for CO 2 Capture Materials

Antonio Fabozzi (), Francesca Cerciello and Osvalda Senneca ()
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Antonio Fabozzi: National Research Council, Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), P. le V. Tecchio 80, 80125 Napoli, Italy
Francesca Cerciello: National Research Council, Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), P. le V. Tecchio 80, 80125 Napoli, Italy
Osvalda Senneca: National Research Council, Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), P. le V. Tecchio 80, 80125 Napoli, Italy

Energies, 2024, vol. 17, issue 7, 1-22

Abstract: The iron industry is the largest energy-consuming manufacturing sector in the world, emitting 4–5% of the total carbon dioxide (CO 2 ). The development of iron-based systems for CO 2 capture and storage could effectively contribute to reducing CO 2 emissions. A wide set of different iron oxides, such as hematite (Fe 2 O 3 ), magnetite (Fe 3 O 4 ), and wüstite (Fe (1−y) O) could in fact be employed for CO 2 capture at room temperature and pressure upon an investigation of their capturing properties. In order to achieve the most functional iron oxide form for CO 2 capture, starting from Fe 2 O 3 , a reducing agent such as hydrogen (H 2 ) or carbon monoxide (CO) can be employed. In this review, we present the state-of-the-art and recent advances on the different iron oxide materials employed, as well as on their reduction reactions with H 2 and CO.

Keywords: iron oxide; CO 2 capture; adsorption/desorption enhanced; hematite; magnetite; wüstite (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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