The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
CO2 Sequestration Potential of Steel Slags at Ambient Pressure and Temperature
Abstract
A study of carbon dioxide sequestration has been performed in aqueous electric arc furnace (EAF) and ladle furnace (LF) slag suspensions, in leached hydrated-matrixes, and in leachates to estimate their intrinsic sequestration potential at ambient conditions (temperature of 20 ± 1 °C and atmospheric pressure). The CO 2 sequestration was tested in aqueous suspensions of steel slags at a liquid-to-solid ratio of 10 kg/kg as well as in leached hydrated-matrixes and leachates isolated from these fresh slag suspensions after three consecutive leachings. The sequestration assays were performed at 20 °C with a flow rate of 5 mL/min of a CO 2 concentration of 15.00 vol %. The results have revealed that the CO 2 sequestration capacity of the LF slag suspension (24.7 g of CO 2 /100 g of slag) is 14 times superior to that of the EAF slag suspension. This greater CO 2 sequestration capacity of the LF slag suspension may be associated in large part to its higher content of portlandite, which reacts with CO 2 relative to the EAF slag suspension. Moreover, the separation of hydrated-matrixes and leachates significantly enhanced the CO 2 sequestration capacity of EAF slag while a slight decrease was observed for the LF slags. This may be due to an obstruction of the CO 2 binding sites of LF slag hydrated-matrixes following the accumulation of calcium carbonate. Taken together, these results suggest that EAF and LF slags could be used for the CO 2 sequestration and given a good yield as well in aqueous suspension as in separated matrixes and leachates.
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“The CKD E CO 2 uptake achieved was 8-25 wt% (i.e.0.08-0.25 t-CO 2 per t-CKD,CBD) at ambient temperature and pressure in a column reactor 132 or in a pressurized reactor.148”
From A review of mineral carbonation technologies to sequester CO 2 (2014) · cites this paper as [132]
Citations
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A review of mineral carbonation technologies to sequester CO 2
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Carbon capture and storage using alkaline industrial wastes
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Metadata
- Authors
- Bonenfant, D., Kharoune, L., Sauve´, S., Hausler, R., Niquette, P., Mimeault, M., & Kharoune, M.
- Affiliations
- University of Nebraska Medical Center (US)
- STEPPE, Département de Génie de la Construction, Département de Génie Mécanique, and Département de Génie de la Production Automatisée, École de Technologie Supérieure, 1100, Notre-Dame Ouest, Montréal, Québec, Canada H3C 1K3, Département de Chimie, Université de Montréal, P.O. 6128, Succursale Centre-ville, Montréal, Québec, Canada H3C 3J7, and Department of Biochemistry and Molecular Biology, College of Medicine, Eppley Cancer Institute, 7052 DRC, University of Nebraska Medical Center, Omaha, Nebraska...
- Corresponding author
- Kharoune, Mourad
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-09-26
- Volume
- 47
- Issue
- 20
- Pages
- 7610-7616
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W2085526683
- Cited by
- 215
- References
- 14
- Citations by year
- 2026: 8 · 2025: 23 · 2024: 21 · 2023: 12 · 2022: 10 · 2021: 26 · 2020: 14 · 2019: 14 · 2018: 5 · 2017: 8 · 2016: 13 · 2015: 10 · 2014: 14 · 2013: 9 · 2012: 7
- FWCI
- 7.20
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Industrial & Engineering Chemistry Research (publishedVersion)
- Espace ÉTS (ETS) (submittedVersion)
- Funders
- Natural Resources Canada
- Topics
- Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
- Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
- Physical Sciences › Chemical Engineering › Filtration and Separation › Carbon Dioxide Capture Technologies
- Keywords
- CO2 sequestration, steel slag, electric arc furnace slag, ladle furnace slag, portlandite, calcium carbonate, ambient temperature
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