期刊
METALS
卷 12, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/met12122005
关键词
secondary carbon bio-carriers; biomass; torrefaction; biocoke; iron and steel industry; ferroalloys
This review emphasizes the significance of using secondary carbon bio-carriers in iron and steel production, focusing on the application of torrefied biomass in various metallurgical processes and outlining the material requirements and pathways for their use. The most promising ways to utilize secondary carbon bio-carriers are identified in scrap/EAF, DRI/EAF, SR/BOF, and SAF.
This review aims to show the significance of the use of secondary carbon bio-carriers for iron and steel production. The term 'secondary carbon bio-carriers' in this review paper refers to biomass, torrefied biomass, biochar, charcoal, or biocoke. The main focus is on torrefied biomass, which can act as a carbon source for partial or complete replacement of fossil fuel in various metallurgical processes. The material requirements for the use of secondary carbon bio-carriers in different metallurgical processes are systematized, and pathways for the use of secondary carbon bio-carriers in four main routes of steel production are described; namely, blast furnace/basic oxygen furnace (BF/BOF), melting of scrap in electric arc furnace (scrap/EAF), direct reduced iron/electric arc furnace (DRI/EAF), and smelting reduction/basic oxygen furnace (SR/BOF). In addition, there is also a focus on the use of secondary carbon bio-carriers in a submerged arc furnace (SAF) for ferroalloy production. The issue of using secondary carbon bio-carriers is specific and individual, depending on the chosen process. However, the most promising ways to use secondary carbon bio-carriers are determined in scrap/EAF, DRI/EAF, SR/BOF, and SAF. Finally, the main priority of future research is the establishment of optimal parameters, material quantities, and qualities for using secondary carbon bio-carriers in metallurgical processes.
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