LAPSE:2019.0605
Published Article
LAPSE:2019.0605
Carbon Mineralization by Reaction with Steel-Making Waste: A Review
Mohamed H. Ibrahim, Muftah H. El-Naas, Abdelbaki Benamor, Saad S. Al-Sobhi, Zhien Zhang
June 18, 2019
Carbon capture and sequestration (CCS) is taking the lead as a means for mitigating climate change. It is considered a crucial bridging technology, enabling carbon dioxide (CO₂) emissions from fossil fuels to be reduced while the energy transition to renewable sources is taking place. CCS includes a portfolio of technologies that can possibly capture vast amounts of CO₂ per year. Mineral carbonation is evolving as a possible candidate to sequester CO₂ from medium-sized emissions point sources. It is the only recognized form of permanent CO₂ storage with no concerns regarding CO₂ leakage. It is based on the principles of natural rock weathering, where the CO₂ dissolved in rainwater reacts with alkaline rocks to form carbonate minerals. The active alkaline elements (Ca/Mg) are the fundamental reactants for mineral carbonation reaction. Although the reaction is thermodynamically favored, it takes place over a large time scale. The challenge of mineral carbonation is to offset this limitation by accelerating the carbonation reaction with minimal energy and feedstock consumption. Calcium and magnesium silicates are generally selected for carbonation due to their abundance in nature. Industrial waste residues emerge as an alternative source of carbonation minerals that have higher reactivity than natural minerals; they are also inexpensive and readily available in proximity to CO₂ emitters. In addition, the environmental stability of the industrial waste is often enhanced as they undergo carbonation. Recently, direct mineral carbonation has been investigated significantly due to its applicability to CO₂ capture and storage. This review outlines the main research work carried out over the last few years on direct mineral carbonation process utilizing steel-making waste, with emphasis on recent research achievements and potentials for future research.
Keywords
Carbon Capture, CO2 sequestration, steel slag, steel-making waste
Suggested Citation
Ibrahim MH, El-Naas MH, Benamor A, Al-Sobhi SS, Zhang Z. Carbon Mineralization by Reaction with Steel-Making Waste: A Review. (2019). LAPSE:2019.0605
Author Affiliations
Ibrahim MH: Gas Processing Centre, College of Engineering, Qatar University, 2713 Doha, Qatar
El-Naas MH: Gas Processing Centre, College of Engineering, Qatar University, 2713 Doha, Qatar
Benamor A: Gas Processing Centre, College of Engineering, Qatar University, 2713 Doha, Qatar
Al-Sobhi SS: Department of Chemical Engineering, College of Engineering, Qatar University, 2713 Doha, Qatar
Zhang Z: William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA [ORCID]
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Journal Name
Processes
Volume
7
Issue
2
Article Number
E115
Year
2019
Publication Date
2019-02-24
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr7020115, Publication Type: Review
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LAPSE:2019.0605
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doi:10.3390/pr7020115
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Jun 18, 2019
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CC BY 4.0
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Jun 18, 2019
 
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Calvin Tsay
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