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Experimental invest...
Experimental investigation on BOF slag oxidation in air
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- Jiang, L. (författare)
- China Building Material Academy, Key State Laboratory of Green Building Materials, Beijing; School of Material Science and Engineering, Beifang University for Nationalities Yinchuan, Ningxia
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- Bao, Y. (författare)
- China Building Material Academy, Key State Laboratory of Green Building Materials, Beijing
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- Hu, Xianfeng (författare)
- RISE,MEFOS AB,Process Metallurgy Department, Swerea MEFOS AB
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- Chen, Y. (författare)
- Beifang University of Nationalities, China,School of Material Science and Engineering, Beifang University of Nationalities
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- Liu, G. (författare)
- Beifang University of Nationalities, China,School of Material Science and Engineering, Beifang University of Nationalities
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- Han, F. (författare)
- Beifang University of Nationalities, China,School of Materials Science & Engineering, Beifang University of Nationalities, Yinchuan, Ningxia
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- Yang, Qixing (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi,School of Material Science and Engineering, Beifang University of Nationalities
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- Wu, J. (författare)
- Beifang University of Nationalities, China,School of Material Science and Engineering, Beifang University of Nationalities
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(creator_code:org_t)
- 2018-01-03
- 2019
- Engelska.
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Ingår i: Ironmaking & steelmaking. - : Taylor and Francis Ltd.. - 0301-9233 .- 1743-2812. ; 46:8, s. 747-754
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Basic oxygen furnace (BOF) slag contains a significant amount of iron-containing species, which is considered to be iron resources and therefore need to be recovered. In this work, the oxidation behaviour of BOF slag under air (at selected oxidation temperatures and holding time) was investigated to explore the potential of transforming non-magnetic wustite in the BOF slag into magnetic spinel, which may subsequently be recovered by magnetic separation. The experimental results show that the iron-containing spices in the BOF slag can be oxidised into magnetic spinel phases in the investigated temperature range of 1000–1150°C and thereafter be recovered by magnetic separation. The formation of these phases is closely related to the oxidation temperatures and holding time: a higher oxidation temperature and longer holding time lead to a larger amount of formed magnetic species; however, the amount of formed magnetic species decreases at elevated temperature (>1050°C) and with extended holding time (>40 min).
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- BOF slag
- Magnetic separation
- oxidation
- spinel
- Basic oxygen converters
- Iron
- Metal recovery
- Slags
- Basic oxygen furnace slag (BOF)
- BOF slags
- Elevated temperature
- Experimental investigations
- Oxidation behaviours
- Oxidation temperature
- Temperature range
- Process Metallurgy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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