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Injecting different types of biomass products to the blast furnace and their impacts on the CO2 emission reduction
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.ORCID iD: 0000-0002-8045-6344
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2015 (English)In: AISTech - Iron and Steel Technology Conference Proceedings, 2015, Vol. 1, 1525-1535 p.Conference paper (Refereed)
Abstract [en]

Recent years more research has been focusing on utilizing biomass in the blast furnaces (BFs). One driving force is linked to the climate change mitigation, i.e. to reduce CO<inf>2</inf> emission from fossil reducing agents or fuels, by using biomass. The amounts of biomass that could be utilized in BF is limited by different parameters, such as metallurgical properties of reducing agents, fuel properties such as volatile content, fixed carbon and oxygen content, ash chemistry (S, Na<inf>2</inf>O, K<inf>2</inf>O, etc.). In this paper, different types of biomass products in the form of solid, liquid and gas are investigated as injectants to the blast furnace. The modelling work has been done for a BF from a Nordic country. The possible amounts of injected biomass products are presented. With the replacement ratios of pulverized coal (PC), the potential CO<inf>2</inf>emission reduction when injecting different biomass products is quantified. In addition, the strategy of using biomass at the studied iron-making plant is discussed. AISTech 2015 Proceedings

Place, publisher, year, edition, pages
2015. Vol. 1, 1525-1535 p.
Keyword [en]
Biomass products, Blast furnace, CO2 emission, Tuyere injection
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URN: urn:nbn:se:kth:diva-174689ScopusID: 2-s2.0-84940529303OAI: diva2:869156
AISTech 2015 Iron and Steel Technology Conference and 7th International Conference on the Science and Technology of Ironmaking, ICSTI 2015; Cleveland Convention CenterCleveland; United States; 4 May 2015 through 7 May 2015

QC 20151113

Available from: 2015-11-13 Created: 2015-10-07 Last updated: 2015-11-13Bibliographically approved

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Mellin, Pelle
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