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Injection of solid biomass products into the blast furnace and its potential effects on an integrated steel plant
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2014 (English)In: Energy Procedia, 2014, 2184-2187 p.Conference paper (Refereed)
Abstract [en]

This study is to investigate different types of biomass products' injection into the blast furnace (BF) to replace pulverized coal injection (PCI). The biomass products covered in the study are charcoal, torrefied material and wood pellets on the basis of Swedish forests. The modelling work has been performed in a specialized BF model. The modelling results show that charcoal has the significant effects on the BF operation. PCI can be replaced fully by charcoal, and only limited amount of torrefied material and wood pellets can be injected into BF. For the studied BF, the annual CO2 emission reduction potential from the replaced amount of PCI when injecting charcoal, torrefied material and wood pellets are about 1140 kton, 260 kton and 230 kton, respectively. In addition, a possible energy saving can be achieved for charcoal injection. A slightly higher P content in the hot metal may occur when injecting torrefied material.

Place, publisher, year, edition, pages
2014. 2184-2187 p.
Keyword [en]
Blast furnace, Charcoal, PCI, Torrefied material, Wood pellets
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-167862DOI: 10.1016/j.egypro.2014.12.105ScopusID: 2-s2.0-84922383690OAI: diva2:820775
6th International Conference on Applied Energy, ICAE 2014, 30 May 2014 through 2 June 2014

QC 20150612

Available from: 2015-06-12 Created: 2015-05-22 Last updated: 2015-06-12Bibliographically approved

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Mellin, PelleYang, Weihong
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Energy and Furnace Technology
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