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Effect of the Ash f...
Effect of the Ash from H2‐Rich Carbonaceous Materials on the Physicochemical Properties of Raceway Slag and Coke Reactivity
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- Ahmed, Hesham (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi,Central Metallurgical Research and Development Institute, Helwan, P.O. Box 87, Cairo, Egypt
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- Sideris, Dimitrios (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi
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- Lennartsson, Andreas (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi
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- Prasad, Pande Nishant (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi
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- Sundqvist Ökvist, Lena (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi,SWERIM, Box 812, 971 25 Luleå, Sweden
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- From, Lars-Erik (författare)
- SWERIM, Box 812, 971 25 Luleå, Sweden
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- Orre, Joel (författare)
- SWERIM, Box 812, 971 25 Luleå, Sweden
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- Björkman, Bo (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi
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(creator_code:org_t)
- 2020-06-05
- 2020
- Engelska.
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Ingår i: Steel Research International. - : John Wiley & Sons. - 1611-3683 .- 1869-344X. ; 91:11
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The iron and steel industry is one of the most important sectors worldwide, and it has a great impact on the global economy; however, this sector is still highly dependent on fossil carbon. To decrease this dependency, approaches to partially replace the injected pulverized coal with secondary, highly reactive, renewable (biomass) and H2‐rich materials have been studied. The injection of such materials is expected to significantly decrease the emitted CO2 from blast furnaces. However, due to the different ash composition of these alternative materials (especially alkali and alkaline earth metals) compared to that of ordinary injected coal, these materials are expected to alter the raceway slag properties and affect the coke reactivity. In the present article, the effect of the ash from different hydrogen‐rich carbonaceous materials on the raceway slag physicochemical properties as well as coke reactivity is reported. The melting characteristics of the ash briquettes in contact with the coke and wettability of the melted ash on the coke surface are determined visually using an optical heating microscope. The effect of the ash on the coke reactivity is studied by means of thermogravimetry under a continuous flow of CO2.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- biomass
- blast furnace
- injection
- iron making
- plastic
- Process Metallurgy
- Processmetallurgi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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