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Aqueous mineral car...
Aqueous mineral carbonation of three different industrial steel slags: Absorption capacities and product characterization
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- Leventaki, Emmanouela, 1996 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Couto Queiroz, Eduarda, 1992 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krishnan Pisharody, Shyam (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kumar Siva Kumar, Amit (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ho, Hoang Phuoc, 1983 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson-Sarning, Michael, 1973 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Haase, Björn (författare)
- Höganäs AB
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- Baena-Moreno, Francisco, 1992 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cuin, Alexandre (författare)
- Universidade Federal de Juiz de Fora,Federal University of Juiz de Fora
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- Bernin, Diana, 1979 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Environmental Research. - 0013-9351 .- 1096-0953. ; 252
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Heavy carbon industries produce solid side stream materials that contain inorganic chemicals like Ca, Na, or Mg, and other metals such as Fe or Al. These inorganic compounds usually react efficiently with CO2 to form stable carbonates. Therefore, using these side streams instead of virgin chemicals to capture CO2 is an appealing approach to reduce CO2 emissions. Herein, we performed an experimental study of the mineral carbonation potential of three industrial steel slags via aqueous, direct carbonation. To this end, we studied the absorption capacities, reaction yields, and physicochemical characteristics of the carbonated samples. The absorption capacities and the reaction yields were analyzed through experiments carried out in a reactor specifically designed to work without external stirring. As for the physicochemical characterization, we used solid-state Fourier Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscope (SEM). Using this reactor, the absorption capacities were between 5.8 and 35.3 g/L and reaction yields were in the range of 81–211 kg CO2/ton of slag. The physicochemical characterization of the solid products with solid FTIR, XRD and SEM indicated the presence of CaCO3. This suggests that there is potential to use the carbonated products in commercial applications.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Transport and storage
- Side stream utilization
- Carbon capture
- Steel slag
- Absorption capacity
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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