Metallurgical Coke Production with Biomass Additives: Study of Biocoke Properties for Blast Furnace and Submerged Arc Furnace Purposes

Biocoke has the potential to reduce the fossil-based materials in metallurgical processes, along with mitigating anthropogenic CO - and greenhouse gas (GHG) emissions. Reducing those emissions is possible by using bio-based carbon, which is CO -neutral, as a partial replacement of fossil carbon. In...

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Published inMaterials Vol. 15; no. 3; p. 1147
Main Authors Bazaluk, Oleg, Kieush, Lina, Koveria, Andrii, Schenk, Johannes, Pfeiffer, Andreas, Zheng, Heng, Lozynskyi, Vasyl
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 01.02.2022
MDPI
Subjects
Additives
biocoke
Biomass
biomass pellets
Blast furnace gas
Carbon
Carbon dioxide
Charcoal
Coal
coke
Coke fired furnaces
coke reactivity index
Coking
Electric arc furnaces
Electrical properties
electrical resistivity
Emissions
ferroalloys
Greenhouse gases
Iron compounds
Laboratories
Metallurgical analysis
Metallurgical coke
Particle size
Reducing agents
Steel production
Submerged arc electric furnaces
Sulfur content
coke
coke reactivity index
biomass pellets
biocoke
electrical resistivity
ferroalloys
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Summary:Biocoke has the potential to reduce the fossil-based materials in metallurgical processes, along with mitigating anthropogenic CO - and greenhouse gas (GHG) emissions. Reducing those emissions is possible by using bio-based carbon, which is CO -neutral, as a partial replacement of fossil carbon. In this paper, the effect of adding 5, 10, 15, 30, and 45 wt.% biomass pellets on the reactivity, the physicomechanical, and electrical properties of biocoke was established to assess the possibility of using it as a fuel and reducing agent for a blast furnace (BF) or as a carbon source in a submerged arc furnace (SAF). Biocoke was obtained under laboratory conditions at final coking temperatures of 950 or 1100 °C. Research results indicate that for BF purposes, 5 wt.% biomass additives are the maximum as the reactivity increases and the strength after reaction with CO decreases. On the other hand, biocoke's physicomechanical and electrical properties, obtained at a carbonization temperature of 950 °C, can be considered a promising option for the SAF.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma15031147